Average Temperatures in Seattle by Month

Seattle, nestled along the Puget Sound in the Pacific Northwest, experiences a captivating blend of maritime and temperate climates, shaping its unique weather patterns. From the vibrant greenery of spring to the golden hues of autumn, each season in Seattle offers distinct charm and character.

The city's proximity to the Olympic Mountains and the Pacific Ocean influences its temperature trends, resulting in mild winters, refreshingly cool summers, and abundant rainfall throughout the year. Whether you're planning a visit to explore Seattle's iconic landmarks, immerse yourself in its rich cultural tapestry, or simply bask in the beauty of its natural surroundings, understanding the city's average temperatures by month will help you pack accordingly and make the most of your stay.

As we delve into the monthly temperature variations in Seattle, you'll discover the nuanced shifts that define each season, allowing you to plan your activities and wardrobe choices with confidence.

average temperatures seattle by month

Seattle's climate offers distinct seasonal variations, ranging from mild winters to refreshingly cool summers.

• Mild winters
• Cool summers
• Abundant rainfall
• Spring: 45-55°F
• Summer: 60-75°F
• Autumn: 50-60°F
• Winter: 35-45°F
• Plan activities accordingly

Understanding these average temperatures will help you pack appropriately and make the most of your visit to Seattle, no matter the season.

Mild winters

Seattle's winters are characterized by mild temperatures, making them far more bearable compared to many other regions in the United States. The average temperature during the coldest months, December and January, hovers around 45°F (7°C).

• Rare snowfall:
  

  Snowfall in Seattle is relatively uncommon, and when it does occur, it usually doesn't accumulate significantly. The city averages only about 7 inches of snow per year.

• Rainy season:
  

  Winter in Seattle is also the rainy season, with frequent showers and overcast skies. However, the rain is typically light to moderate, and it rarely disrupts outdoor activities.

• Outdoor activities:
  

  Despite the rain, Seattleites embrace the outdoors during winter. You can still enjoy walks through the city's many parks, visit the iconic Pike Place Market, or take a ferry to one of the nearby islands.

• Cozy coffee shops:
  

  Seattle is renowned for its coffee culture, and winter is the perfect time to cozy up in one of the city's many coffee shops, sip on a warm beverage, and watch the rain fall outside.

Overall, Seattle's mild winters offer a welcome respite from the harsh cold and snow experienced in many other parts of the country, making it an attractive destination for those seeking a temperate climate.

Cool summers

Seattle's summers are a delightful blend of warmth and coolness, with average temperatures in July and August ranging from 60°F to 75°F (16°C to 24°C). This makes for ideal weather to explore the city's outdoor attractions and enjoy the many festivals and events that take place during this time.

Here are some key characteristics of Seattle's cool summers:

1. Low humidity:
Seattle's summers are typically dry, with low humidity levels. This makes the warm temperatures feel more comfortable and less oppressive, even on the hottest days.

2. Breezy days:
Seattle's location on the Puget Sound and the prevailing winds from the Pacific Ocean help keep the city cool and breezy during the summer months. These refreshing breezes make it enjoyable to spend time outdoors, whether you're walking along the waterfront, exploring one of the city's many parks, or simply relaxing on a patio.

3. Sunny mornings, cloudy afternoons:
Seattle summers often feature mornings with clear skies and sunshine, transitioning to partly cloudy or overcast conditions in the afternoon. This pattern is due to the influence of the marine layer, a layer of cool, moist air that forms over the Pacific Ocean and moves inland. While the marine layer can sometimes bring drizzle or light rain, it also helps to keep temperatures moderate and prevents the heat from becoming excessive.

4. Perfect for outdoor activities:
Seattle's cool summers provide the perfect backdrop for a variety of outdoor activities. Whether you enjoy hiking, biking, kayaking, or simply strolling through the city's many parks, you'll find the weather to be pleasant and cooperative.

Overall, Seattle's cool summers offer a refreshing and enjoyable climate, making it an ideal destination for those who prefer mild weather and outdoor activities.

Abundant rainfall

Seattle is known for its abundant rainfall, with an average of 38 inches per year. This precipitation is spread throughout the year, with winter being the wettest season and summer being the driest. However, even during the summer months, Seattle can experience occasional showers or drizzle.

• Rainy season:
  

  Seattle's rainy season typically runs from October to April, with November and December being the wettest months. During this time, it is common to have overcast skies and frequent showers.

• Light to moderate rain:
  

  Most of Seattle's rain falls in the form of light to moderate showers. Heavy downpours are less common, but they can occur, especially during the winter months.

• Green and lush:
  

  The abundant rainfall contributes to Seattle's lush greenery and vibrant plant life. The city is home to many parks, gardens, and forests, which thrive in the moist climate.

• Things to do on rainy days:
  

  Even on rainy days, there are plenty of things to do in Seattle. You can visit the city's many museums, art galleries, and theaters. You can also enjoy a cup of coffee in one of the city's cozy coffee shops or explore the vibrant Pike Place Market.

While the rain can sometimes be a nuisance, it is an integral part of Seattle's charm and character. The city's residents have learned to embrace the rain and enjoy all that their city has to offer, regardless of the weather.

Spring: 45-55°F

Spring in Seattle is a season of transition, as the city awakens from its winter slumber and bursts into life. The average temperature during spring ranges from 45°F to 55°F (7°C to 13°C), making it a time of mild and refreshing weather.

Here are some key characteristics of Seattle's spring:

1. Blossoming flowers:
Spring is the time when Seattle's famous cherry trees burst into bloom, creating a spectacle of pink and white blossoms throughout the city. Other flowers, such as tulips, daffodils, and magnolias, also bloom during this time, adding to the vibrant colors of the season.

2. Rain showers:
While spring is generally a drier season in Seattle compared to winter, it is still common to experience occasional rain showers. These showers are often brief and light, and they help to keep the air fresh and clean.

3. Outdoor activities:
Spring is an ideal time to enjoy Seattle's many outdoor attractions. The weather is perfect for walking, biking, hiking, and kayaking. You can also visit the city's parks and gardens, which are at their best during this time of year.

4. Festivals and events:
Spring is also a time for festivals and events in Seattle. Some popular events include the Seattle Cherry Blossom Festival, the Skagit Valley Tulip Festival, and the Seattle International Film Festival.

Overall, Seattle's spring is a delightful season, offering a mix of mild weather, beautiful flowers, and a variety of outdoor activities and events.

Summer: 60-75°F

Seattle's summers are characterized by warm and dry weather, with average temperatures ranging from 60°F to 75°F (16°C to 24°C). This makes for ideal weather to enjoy the city's many outdoor attractions and activities.

• Sunny skies:
  

  Seattle summers are typically sunny and clear, with an average of 15 hours of sunshine per day. This makes it a great time to explore the city's many parks, beaches, and outdoor attractions.

• Low humidity:
  

  Seattle's summers are also known for their low humidity, which makes the warm temperatures feel more comfortable. This is a welcome relief from the hot and humid summers experienced in many other parts of the United States.

• Perfect for outdoor activities:
  

  Seattle's summer weather is perfect for a variety of outdoor activities. You can enjoy swimming, boating, kayaking, and paddleboarding in the Puget Sound. You can also go hiking, biking, or camping in the nearby mountains and forests.

• Summer festivals and events:
  

  Summer is also a time for festivals and events in Seattle. Some popular events include the Seafair Summer Festival, the Bumbershoot Music & Arts Festival, and the Bite of Seattle food festival.

Overall, Seattle's summers offer a delightful blend of warm temperatures, sunny skies, and low humidity, making it an ideal time to visit the city and enjoy all that it has to offer.

Autumn: 50-60°F

Autumn in Seattle is a season of transition, as the days grow shorter and the weather becomes cooler and wetter. The average temperature during autumn ranges from 50°F to 60°F (10°C to 16°C), making it a time of mild and crisp weather.

• Fall foliage:
  

  Autumn is a beautiful time to visit Seattle, as the city's trees put on a spectacular display of fall foliage. The leaves turn vibrant shades of red, orange, and yellow, creating a stunning contrast against the backdrop of the Puget Sound and the surrounding mountains.

• Rainy season begins:
  

  Autumn is also the time when Seattle's rainy season begins. The city typically receives more rain in autumn than in any other season. However, the rain is usually light to moderate, and it often comes in the form of drizzle or mist.

• Outdoor activities:
  

  Despite the rain, there are still plenty of outdoor activities to enjoy in Seattle during autumn. You can go for walks in the city's many parks, visit the local farmers markets, or take a scenic drive through the surrounding countryside.

• Cozy coffee shops and indoor attractions:
  

  On rainy days, you can cozy up in one of Seattle's many coffee shops with a warm beverage and a good book. You can also visit the city's many museums, art galleries, and theaters.

Overall, Seattle's autumn is a charming and cozy season, offering a mix of beautiful fall foliage, mild temperatures, and a variety of indoor and outdoor activities.

Winter: 35-45°F

Winter in Seattle is a season of mild temperatures, frequent rain, and occasional snow. The average temperature during winter ranges from 35°F to 45°F (2°C to 7°C), making it one of the mildest winters in the United States.

Here are some key characteristics of Seattle's winter:

1. Mild temperatures:
Seattle's winters are known for their mild temperatures. Even on the coldest days, the temperature rarely drops below freezing. This makes it a relatively comfortable time to be outdoors, as long as you dress in layers.

2. Frequent rain:
Winter is the rainiest season in Seattle, with an average of 6 inches of rain per month. The rain is typically light to moderate, but it can sometimes be heavy and persistent. It's a good idea to carry an umbrella or wear a raincoat when venturing out during the winter months.

3. Occasional snow:
Snowfall is relatively uncommon in Seattle, but it does happen occasionally. The city typically receives around 7 inches of snow per year, and it usually melts quickly. However, there are times when Seattle experiences heavier snowfalls, which can cause disruptions to transportation and power outages.

4. Indoor activities:
While Seattle's winters can be rainy and gloomy at times, there are still plenty of indoor activities to enjoy. You can visit the city's many museums, art galleries, and theaters. You can also explore the vibrant Pike Place Market or enjoy a warm beverage in one of Seattle's cozy coffee shops.

Overall, Seattle's winters are mild and manageable, offering a mix of chilly temperatures, frequent rain, and occasional snow. With a little planning and preparation, you can still enjoy all that the city has to offer during this time of year.

Plan activities accordingly

With Seattle's distinct seasons and varied weather patterns, it's helpful to plan your activities and wardrobe accordingly. Here are some tips for making the most of Seattle's weather:

• Spring:
  

  Spring is a great time to enjoy Seattle's outdoor attractions, such as its parks, gardens, and waterfront. Be prepared for mild temperatures and occasional rain showers. Bring a light jacket or umbrella just in case.

• Summer:
  

  Summer is the ideal time for outdoor activities in Seattle. Pack light clothing and sunscreen, as the weather is usually warm and sunny. However, it's a good idea to bring a light jacket or sweater for cooler evenings.

• Autumn:
  

  Autumn is a beautiful time to visit Seattle, as the city's trees put on a spectacular display of fall foliage. Be prepared for mild temperatures and more frequent rain. A raincoat or umbrella is essential during this season.

• Winter:
  

  Seattle's winters are mild compared to many other parts of the country, but it's still important to dress warmly in layers. Bring a waterproof jacket, gloves, and a hat to protect yourself from the rain and cold. If you plan on doing any outdoor activities, such as hiking or snowshoeing, be sure to check the weather forecast and dress appropriately.

By planning your activities and wardrobe according to Seattle's average temperatures and weather patterns, you can ensure that you have a comfortable and enjoyable visit, no matter the time of year.

FAQ

Here are some frequently asked questions about Seattle's weather, organized by month:

These are just a few of the frequently asked questions about Seattle's weather. For more information, you can visit the National Weather Service website or check the local weather forecast before your trip.

Now that you have a better understanding of Seattle's weather by month, you can plan your activities and packing accordingly. With its mild climate and many attractions, Seattle is a great city to visit year-round.

Tips

Here are some practical tips for planning your trip to Seattle, month by month:

Tip 1: Dress in layers.
Seattle's weather can be unpredictable, so it's always a good idea to dress in layers. This way, you can adjust your clothing as needed throughout the day.

Tip 2: Bring a raincoat or umbrella.
Seattle is known for its rain, so it's a good idea to pack a raincoat or umbrella, especially during the wetter months. Even during the summer, it's possible to experience occasional rain showers.

Tip 3: Check the weather forecast before planning outdoor activities.
Seattle's weather can change quickly, so it's important to check the weather forecast before planning any outdoor activities. This will help you avoid getting caught in unexpected rain or cold weather.

Tip 4: Take advantage of Seattle's many indoor attractions.
Seattle has many indoor attractions, such as museums, art galleries, and theaters. This makes it a great city to visit even on rainy days. You can also enjoy Seattle's vibrant coffee culture by visiting one of the city's many coffee shops.

By following these tips, you can ensure that you have a comfortable and enjoyable visit to Seattle, no matter the time of year.

Seattle is a city with something to offer everyone, from its stunning natural scenery to its vibrant arts and culture scene. With its mild climate and many attractions, it's a great place to visit year-round. So start planning your trip today and experience all that Seattle has to offer!

Conclusion

Seattle's weather is as diverse as its landscape, offering a unique blend of mild temperatures, abundant rainfall, and distinct seasonal variations. From the vibrant greenery of spring to the golden hues of autumn, each month in Seattle brings its own charm and character.

Whether you're planning a visit to explore Seattle's iconic landmarks, immerse yourself in its rich cultural tapestry, or simply bask in the beauty of its natural surroundings, understanding the city's average temperatures and weather patterns by month will help you make the most of your stay.

So embrace Seattle's unique climate and let it guide your adventures. Pack accordingly, dress in layers, and be prepared for anything. With its welcoming atmosphere and endless possibilities, Seattle is a city that will capture your heart, no matter the time of year.