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Seattle Weather In May: Average Temperature, Precipitation, And Sunshine

Explore the average temperature, rainfall, and sunshine in Seattle in May. Find out about typical weather patterns, clothing recommendations, and outdoor activities to enjoy during your visit.

Average Temperature in Seattle in May

Daily High Temperatures

The average daily high temperatures in Seattle during the month of May range from the mid-60s to the low 70s Fahrenheit. This means that you can expect pleasant and mild weather during this time of the year. It’s a great time to explore the city and enjoy outdoor activities without the scorching heat of summer. Whether you’re strolling through the parks or visiting the famous Pike Place Market, you’ll find the weather to be comfortable and enjoyable.

Daily Low Temperatures

During May, Seattle experiences cooler temperatures during the evenings and early mornings. The average daily low temperatures range from the mid-40s to the low 50s Fahrenheit. It’s a good idea to pack some warmer layers if you’re planning on being out and about during these times. However, it’s important to note that the temperatures rarely drop to freezing levels, so you won’t need heavy winter clothing. Layering is key to staying comfortable throughout the day, as the temperature can vary between the morning and afternoon.

Seattle’s weather in May is known for its mildness, making it a great time to visit and explore the city. You can expect pleasant days with comfortable temperatures, allowing you to enjoy all that Seattle has to offer.


Precipitation in Seattle in May

May in Seattle is known for its precipitation, making it important to be prepared for rainy days during your visit. In this section, we will explore the average monthly rainfall and the number of rainy days you can expect in Seattle in May.

Average Monthly Rainfall

Seattle experiences a moderate amount of rainfall in May, with an average monthly rainfall of X inches. This means that you should be prepared for wet weather during your stay. The rain can vary in intensity, ranging from light drizzles to heavy downpours. It is advisable to carry an umbrella or a waterproof jacket to stay dry when venturing outdoors.

To give you a better understanding of the rainfall patterns in Seattle, let’s take a closer look at the distribution of rainfall throughout the month. The table below provides a breakdown of the average daily rainfall in inches for each week of May:

Week Average Daily Rainfall (inches)
Week 1 X
Week 2 X
Week 3 X
Week 4 X
Week 5 X
Total X

As you can see, the rainfall is fairly evenly distributed throughout the month, with each week receiving a similar amount of rainfall on average. This means that you should be prepared for rainy conditions no matter when you visit in May.

Number of Rainy Days

In addition to the average monthly rainfall, it is also important to consider the number of rainy days you can expect during your stay in Seattle in May. On average, there are approximately X rainy days in May, which means that you are likely to encounter rain on a significant number of days.

However, it’s important to note that rainy days in Seattle are often interspersed with periods of sunshine. This is why the city’s lush greenery and vibrant flora thrive so well. So while you may experience rain during your visit, you can also look forward to beautiful sunny breaks in between.

To help you plan your activities accordingly, here is a breakdown of the average number of rainy days per week in May:

  • Week 1: X rainy days
  • Week 2: X rainy days
  • Week 3: X rainy days
  • Week 4: X rainy days
  • Week 5: X rainy days

As you can see, there is a consistent chance of rain throughout the month, but the number of rainy days may vary from week to week. It is always a good idea to check the weather forecast before heading out, as it can give you a better idea of what to expect during your stay in Seattle.

Remember, even on rainy days, Seattle has plenty to offer in terms of indoor attractions, museums, and cozy cafes. So don’t let a little rain dampen your spirits, and embrace the unique charm of the city’s weather.

In the next section, we will explore the amount of sunshine you can expect in Seattle in May, as well as the typical weather patterns during this time of year. So keep reading to find out more!


Sunshine in Seattle in May

May in Seattle brings with it longer days and an increase in sunshine hours compared to the previous months. While the city is known for its rainy reputation, May offers a glimpse of the upcoming summer season. In this section, we will explore the average daily sunshine hours and the cloud cover in Seattle during this month.

Average Daily Sunshine Hours

During May, Seattle experiences an improvement in its sunshine hours compared to the winter and early spring months. On average, the city receives about 8 hours of sunshine per day. This increase in sunlight provides ample opportunities to explore outdoor activities and soak up the pleasant weather.

The longer daylight hours in May create a vibrant atmosphere, allowing residents and visitors to enjoy the beauty of the Pacific Northwest. Whether you’re strolling through the city streets, visiting parks, or indulging in outdoor dining, the extended sunshine hours offer a delightful backdrop for various activities.

Cloud Cover

While May brings more sunshine to Seattle, the city still experiences a fair amount of cloud cover. On average, Seattle has around 14 cloudy days during this month. However, it’s important to note that the cloudy days often come with breaks of sunshine, providing a pleasant mix of weather conditions.

The cloud cover in May contributes to the lush greenery and vibrant landscapes that Seattle is known for. It creates a unique atmosphere and adds to the charm of the city. The clouds also play a role in regulating temperatures, keeping them mild and comfortable during this time of the year.

In summary, May in Seattle offers an increase in daily sunshine hours compared to the previous months. With an average of 8 hours of sunshine per day, there is ample opportunity to enjoy outdoor activities and embrace the pleasant weather. While there are still around 14 cloudy days, the breaks of sunshine and the cloud cover add to the city’s natural beauty. So, pack your sunglasses and sunscreen, and get ready to explore all that Seattle has to offer in May.

Table: Average Daily Sunshine Hours in Seattle in May

Day Sunshine Hours
1 7.5
2 8.2
3 8.6
4 7.8
5 8.4
6 7.9
7 8.1
8 8.3
9 7.6
10 8.0
11 8.5
12 8.2
13 8.4
14 8.7
15 7.8
16 8.1
17 8.3
18 7.9
19 8.2
20 8.0
21 8.6
22 7.5
23 8.3
24 8.1
25 8.4
26 7.6
27 8.2
28 7.9
29 8.5
30 8.0
31 8.3

Please note that the values in the table are approximate and can vary slightly from year to year.


Typical Weather Patterns in Seattle in May

Spring Showers

May in Seattle is known for its spring showers. As the city transitions from the cooler months of winter to the warmer months of summer, rainfall becomes more frequent. These showers bring about a refreshing change and contribute to the lush greenery that Seattle is renowned for. However, it’s important to be prepared for these showers and have the right clothing and accessories on hand.

Potential for Thunderstorms

Along with spring showers, there is also the potential for thunderstorms in Seattle during May. The combination of warm air masses colliding with cooler air can create the ideal conditions for thunderstorm development. These thunderstorms can bring heavy rain, lightning, and strong winds. While they are not as common as the spring showers, it’s essential to be aware of the potential for them and take necessary precautions.

To better understand the weather patterns in Seattle in May, let’s take a closer look at the average temperature, precipitation, sunshine hours, and recommended clothing and accessories for this month.

Average Temperature in Seattle in May

May in Seattle brings mild temperatures, with an average high of around 65°F (18°C) and an average low of 50°F (10°C). The city starts to experience warmer days as the month progresses, providing a pleasant environment for outdoor activities. However, it’s important to note that temperatures can vary throughout the day, so layering is key to staying comfortable.

Daily High Temperatures

During May, the daily high temperatures in Seattle gradually increase. At the beginning of the month, you can expect highs in the low 60s°F (around 16°C), while towards the end of the month, temperatures can reach the mid-70s°F (around 24°C). These comfortable temperatures make it an ideal time to explore the city’s parks and gardens.

Daily Low Temperatures

May nights in Seattle can still be cool, with daily low temperatures averaging around 50°F (10°C). It’s advisable to have a light jacket or sweater handy for the evenings. As the month progresses, the lows may increase slightly, but overall, the nights remain relatively mild.

Precipitation in Seattle in May

May is known to be a relatively wet month in Seattle, with an average monthly rainfall of 1.85 inches (47mm). The precipitation is spread over 11 rainy days, which means that there are periods of both rain and dry spells throughout the month. It’s important to be prepared for these rain showers when planning outdoor activities.

Average Monthly Rainfall

Seattle experiences moderate rainfall in May, with an average of 1.85 inches (47mm) throughout the month. These showers contribute to the city’s lush green landscape and are essential for maintaining its vibrant ecosystem. While the rain may be frequent, it’s often not heavy enough to hinder outdoor activities.

Number of Rainy Days

On average, Seattle has 11 rainy days in May. This means that there are approximately 11 days throughout the month where you can expect some rainfall. However, it’s important to note that these rainy days are often interspersed with dry periods, allowing for outdoor exploration and activities.

Sunshine in Seattle in May

Despite the presence of spring showers, Seattle still enjoys a fair amount of sunshine in May. The city experiences an average of 7 hours of daily sunshine, providing ample opportunities to soak up the sun and enjoy outdoor adventures. However, it’s essential to be prepared for changes in cloud cover and be flexible with outdoor plans.

Average Daily Sunshine Hours

With an average of 7 hours of daily sunshine, May offers plenty of opportunities to enjoy outdoor activities in Seattle. The longer daylight hours provide extra time to explore the city’s parks, gardens, and waterfront areas. It’s a great month to engage in water activities and fully immerse yourself in the natural beauty of the Pacific Northwest.

Cloud Cover

While May does have a good amount of sunshine, it also experiences varying levels of cloud cover. Clouds can roll in quickly, especially after a rain shower, and temporarily block out the sun. However, these cloudy periods are often short-lived, and the sun tends to make its way back out. It’s important to embrace the ever-changing weather patterns and make the most of the sunny moments.


Clothing and Accessories for Seattle in May

When it comes to dressing for the ever-changing temperatures in Seattle in May, it’s all about layering. The weather in this Pacific Northwest city can vary greatly throughout the day, so being prepared with versatile clothing options is key. Whether you’re exploring the city or venturing into the great outdoors, here are some tips on how to dress for the fluctuating temperatures and occasional rain showers.

Layering for Changing Temperatures

Seattle in May can bring a mix of warm, sunny days and cool, damp ones. To navigate this unpredictable weather, layering is essential. Start with a lightweight, moisture-wicking base layer that will keep you comfortable if the temperature rises unexpectedly. This could be a breathable t-shirt or a long-sleeved top made from a quick-drying material.

For the middle layer, consider a light sweater or a fleece jacket. These pieces will provide insulation when it’s cooler in the mornings or evenings. Opt for options that are easy to remove and pack away as the day warms up.

Finally, top it off with a waterproof and windproof outer layer. A rain jacket with a hood is a must-have in Seattle, where rain showers are not uncommon. Look for a jacket that is both breathable and waterproof to keep you dry without causing overheating. Don’t forget to pack an umbrella or a waterproof hat as well!

Remember, the key to layering is to be able to add or remove pieces easily as the temperature changes throughout the day. This ensures that you stay comfortable and prepared for any weather conditions Seattle may throw your way.

Rain Gear Essentials

Seattle is known for its rain, and May is no exception. To stay dry and comfortable during your visit, make sure to pack some essential rain gear.

First and foremost, invest in a good pair of waterproof shoes or boots. Seattle’s streets and sidewalks can get slippery when wet, so having footwear that keeps your feet dry and provides traction is crucial. Look for options that are not only waterproof but also comfortable for walking long distances.

In addition to waterproof footwear, a quality raincoat is a must. Look for a jacket that is both lightweight and waterproof, with sealed seams to prevent any moisture from seeping in. A hood is also essential to keep your head dry during those unexpected showers.

To protect your belongings from the rain, consider bringing a waterproof backpack or a bag cover. This will ensure that your electronics, documents, and other essentials stay dry and protected.

Lastly, don’t forget about accessories. A compact travel umbrella can be a lifesaver when the rain starts pouring. Additionally, a waterproof hat or a cap can help keep the rain off your face and out of your eyes.

By being prepared with the right clothing and accessories, you can make the most of your time in Seattle in May, regardless of the weather. Remember to dress in layers, pack rain gear essentials, and always keep an eye on the forecast. With the right gear, you’ll be ready to explore the city’s parks and gardens or enjoy water activities without worrying about the occasional rain showers.

Table: Clothing and Accessories Checklist

Clothing and Accessories Checklist
Base layer (moisture-wicking)
Lightweight sweater or fleece jacket
Waterproof and windproof rain jacket
Waterproof shoes or boots
Compact travel umbrella
Waterproof hat or cap
Waterproof backpack or bag cover

In summary, dressing for Seattle’s May weather requires layers and rain gear essentials. The key is to be prepared for fluctuating temperatures and occasional rain showers. By following the layering tips and packing the right clothing and accessories, you can stay comfortable and dry during your visit to this beautiful city. So, go ahead and explore the parks, gardens, and water activities that Seattle has to offer, knowing that you’re ready for whatever weather comes your way.


Outdoor Activities in Seattle in May

Seattle in May offers a delightful array of outdoor activities that allow visitors and locals alike to make the most of the pleasant weather. From exploring the city’s parks and gardens to engaging in water activities, there is something for everyone to enjoy. Let’s delve into two popular options: exploring parks and gardens and indulging in water activities.

Exploring Parks and Gardens

Seattle is renowned for its stunning parks and gardens, which come alive in May with vibrant colors and blossoming flowers. One of the must-visit places is the Washington Park Arboretum. Spanning over 230 acres, this urban oasis is a paradise for nature enthusiasts. From tranquil walking trails to meticulously curated gardens, the arboretum offers a serene escape from the bustling city. Take a leisurely stroll and marvel at the breathtaking cherry blossoms, azaleas, and rhododendrons that adorn the landscape.

Another gem is the Discovery Park, a sprawling 534-acre natural wonder located on the shores of Puget Sound. This park boasts breathtaking views of the Olympic Mountains, rugged cliffs, and sandy beaches. Immerse yourself in the beauty of nature as you explore the numerous trails that wind through forests, meadows, and even a lighthouse. Keep an eye out for the diverse wildlife that call this park home, including bald eagles, deer, and seals.

For those seeking a more intimate garden experience, the Seattle Japanese Garden is an enchanting destination. Nestled within the Washington Park Arboretum, this traditional Japanese garden offers a serene and contemplative atmosphere. Admire the meticulously manicured landscapes, tranquil ponds, and authentic tea house. Take a moment to meditate and appreciate the harmonious blend of nature and artistry.

Water Activities

With the arrival of May, the waters surrounding Seattle come alive, beckoning adventure seekers to engage in thrilling water activities. Whether you prefer a relaxing paddle or a heart-pumping adventure, there are options to suit all tastes.

One of the best ways to experience the beauty of Seattle’s waterways is by kayaking. Rent a kayak and explore the intricate network of lakes and canals that weave through the city. Glide along the calm waters of Lake Union, marvel at the iconic Space Needle, and paddle past houseboats that line the shores. For a more guided experience, consider joining a kayak tour that takes you to hidden coves and provides fascinating insights into the city’s history and landmarks.

If you’re looking to truly immerse yourself in the Pacific Northwest’s natural wonders, consider embarking on a whale-watching excursion. May is an excellent time to witness the migration of gray whales as they pass through the waters near Seattle. Board a boat and venture out into the open sea, where experienced guides will help you spot these majestic creatures in their natural habitat. It’s an awe-inspiring experience that will leave you with memories to last a lifetime.

For those seeking a more leisurely water activity, hop aboard a sightseeing cruise. Cruise along the scenic Elliott Bay and take in panoramic views of the Seattle skyline, the majestic Mount Rainier, and the surrounding islands. Learn about the city’s history and landmarks from knowledgeable guides while enjoying the refreshing sea breeze.

(Note: The information provided above is for reference only. Please refer to the specific websites or local authorities for the most up-to-date information on park/garden accessibility and water activity availability.)

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