Quick decision
When to visit Seattle?
🌞 Best time overall
July
🌡️ Optimal temperature
14°C–24°C in July
🌧 Least rain
11% rainy days in July
🌧 Wettest month
December (60%)
📅 Best score
9.2/10
By trip type
Best time by type of trip
Coffee & CultureYear-round — first Starbucks, craft cafés and indie scene.
Pike Place MarketYear-round — flying fish, flowers and artisan crafts.
Mount RainierJune–September — hiking, glaciers and wildflower meadows.
MusicYear-round — MoPOP, historic grunge scene and concerts.
Monthly climate data
Seattle weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score |
|---|---|---|---|---|---|---|
| 🌦️ January | 3°C | 8°C | 58% | 5.7 | 4.3h | 1.7/10 |
| 🌦️ February | 2°C | 8°C | 55% | 4.4 | 5.5h | 2.5/10 |
| 🌦️ March | 4°C | 11°C | 52% | 3.5 | 8.4h | 4.2/10 |
| 🌦️ April | 6°C | 13°C | 47% | 2.8 | 10.4h | 5.3/10 |
| 🌤️ May | 9°C | 18°C | 35% | 1.8 | 11.9h | 7.2/10 |
| 🌤️ June | 12°C | 20°C | 28% | 1.7 | 13.0h | 7.7/10 |
| 🌤️ July | 14°C | 24°C | 11% | 0.4 | 14.5h | 9.2/10 |
| 🌤️ August | 15°C | 24°C | 16% | 0.8 | 12.9h | 8.7/10 |
| 🌤️ September | 13°C | 20°C | 31% | 2.1 | 10.3h | 7.4/10 |
| 🌦️ October | 9°C | 15°C | 45% | 4.0 | 7.5h | 5.0/10 |
| 🌦️ November | 6°C | 10°C | 59% | 5.6 | 4.7h | 2.3/10 |
| 🌦️ December | 3°C | 8°C | 60% | 5.9 | 3.5h | 1.4/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Acceptable
Average 14°C, 45% rainy days, 10.2h sunshine/day. Score: 5.6/10.
☀️ Summer (Jun–Aug) — Excellent time
Average 23°C, 18% rainy days, 13.5h sunshine/day. Score: 8.5/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 15°C, 45% rainy days, 7.5h sunshine/day. Score: 4.9/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 8°C, 58% rainy days, 4.4h sunshine/day. Score: 1.9/10.
Accommodation
Find a place to stay in Seattle
Check availability during the recommended period
Tip : May, September offer a good weather/price balance — decent score with fewer crowds.
Search on Hotels.comActivities & tours
Activities and tours in Seattle
Guided tours, skip-the-line tickets and local experiences.
Browse activities on GetYourGuide
Flights
Find a flight to Seattle
Compare flights from all airlines.
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
July is ideal with 11% rainy days and 24°C.
December is the wettest month with 60% rainy days.
Yes, July is the best month with an average of 24°C.
In winter, the average score is 1.9/10. Difficult period — prefer the peak season.
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