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Travel Info

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Seattle Weather and climate

Data source：Meteostat
Update date：2025-09

Seattle year round climate
  • Spring (March–May): Average 7.9–13.7°C, mild and rainy with occasional sunshine. March and April still experience rainfall; May becomes drier. Common activities: Hiking, exploring city parks, visiting museums. Recommended clothing: Light jacket, comfortable pants or jeans, waterproof jacket.
  • Summer (June–August): Average 16.5–20.6°C, warm and pleasant, but occasional overcast skies and showers; sunny days offer warm and comfortable weather. July and August have less rainfall. Common activities: Hiking, water activities, visiting Pike Place Market. Recommended clothing: Light and breathable clothing, short-sleeved shirts, comfortable shoes.
  • Autumn (September–November): Average 12.7–17.1°C, cool and rainy with gradually decreasing temperatures. October and November have more rainfall; prepare for rain. Common activities: Leaf peeping, visiting art museums, enjoying seafood. Recommended clothing: Warm jacket, long-sleeved shirts, waterproof jacket, comfortable shoes.
  • Winter (December–February): Average 5.5–6.0°C, cold and damp with significant rainfall. December has the most rainfall; prepare for warmth and rain. Common activities: Indoor activities, museum visits, enjoying coffee shops. Recommended clothing: Warm coat, sweater, waterproof jacket, warm hat, scarf, and gloves.
Seattle climatological average

Annual average temperature: approx. 11.9°C / Annual rainfall: approx. 908 mm / Summer humidity: 65%–75% / Rainiest month: December

Seattle monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.5°C
139.7
February
5.9°C
97.7
March
7.9°C
69.7
April
9.5°C
63.3
May
13.7°C
53.3
June
16.5°C
43
July
20.6°C
3.7
August
20.4°C
16.7
September
17.1°C
36.3
October
12.7°C
71.3
November
6.8°C
131
December
6°C
182.3
Seattle weather for the next seven days
10/14
Tuesday
Sunny
16.2°C/4.4°C
10/15
Wednesday
Sunny
18.7°C/6.1°C
10/16
Thursday
Partly Cloudy
12.1°C/8.2°C
10/17
Friday
Overcast
14.1°C/8.9°C
10/18
Saturday
Patchy rain nearby
16.3°C/6.9°C
10/19
Sunday
Moderate rain
11.5°C/8.9°C
10/20
Monday
Patchy rain nearby
13.8°C/7.8°C

Seattle FAQ

What is the best month to visit Seattle?
The best time to visit Seattle is typically between June and September, during the warm and dry summer months. September can be an ideal shoulder season offering pleasant weather with fewer crowds and lower prices after Labor Day weekend. Summer is Seattle's peak season due to its magical weather with temperatures averaging 70-80°F and very little rain, coinciding with numerous outdoor festivals and long daylight hours. However, summer is the most crowded and expensive time to visit, with higher hotel rates and lower availability. The weather starts to improve with less rain and more sunshine in late spring, making it a great time to enjoy the city before the peak summer crowds arrive. September is often cited as the sweet spot, offering lingering pleasant weather, fewer tourists, and potentially better hotel rates compared to the summer.
Is Seattle worth visiting in 2025?
In conclusion, Seattle is definitely worth visiting in 2025 for its vibrant culture, stunning natural beauty, and thriving food and drink scene. From exploring the iconic Chihuly Garden and Glass to savoring fresh seafood at Pike Place Market, there's something for everyone in this dynamic city. Seattle offers a unique blend of urban exploration and access to breathtaking landscapes.
What should I know before going to Seattle?
Before you go to Seattle, it's useful to know that it rains less than many people think, and most locals don't use umbrellas. Layering your clothing is key to staying comfortable in Seattle's variable weather. While snow is infrequent, the city can shut down during heavy snowfall. And yes, coffee is truly everywhere in Seattle, so be prepared to enjoy a wide variety of local brews.
How many days should you spend in Seattle?
You should aim to spend 3 to 4 days in Seattle to see the main attractions. If you wish to explore more deeply and include day trips to nearby natural areas, a week or longer would be ideal. A shorter trip will allow you to focus on downtown highlights like Pike Place Market and the Space Needle. A longer stay provides the opportunity to explore distinct neighborhoods like Capitol Hill or Fremont and experience the city's unique atmosphere, along with enjoying a variety of foods. Consider adding time for hiking in nearby areas like Mount Rainier, exploring Discovery Park within the city, or taking a ferry trip to Bainbridge Island.
What are some must-see attractions in Seattle?
Seattle boasts numerous must-see attractions for any visitor. The iconic Space Needle offers panoramic views of the city and Puget Sound. Pike Place Market is a vibrant hub of local produce, artisanal goods, and diverse food vendors, famous for its fish throwing tradition. Art enthusiasts will love the Chihuly Garden and Glass museum, showcasing the stunning work of glass artist Dale Chihuly. The Museum of Pop Culture (MoPOP) offers engaging exhibits on music, science fiction, and pop culture. For nature lovers within the city, Discovery Park provides beautiful trails and waterfront access.