Seattle · SpringMonth summary
Seattle weather in March
⚠️ Fair
🌡️ Temperature min / max
4°C – 11°C
🌧 Rainy days
52% of days
☀️ Sunshine
8.4h per day on average
🌊 🌊 Season
Spring
⭐ ⭐ Weather score
4.2/10
📅 📅 Best month
July (9.2/10)
Quick decision
Should you visit Seattle in March?
⚠️ Fair
✅ Yes if: you prefer off-season travel with reduced prices and very few tourists.
❌ No if: you want to avoid rain — more than half the days are rainy.
Our take: March brings a challenging climate (4.2/10). July offers milder conditions if your dates are flexible.
By trip type
Seattle in March by trip type
- 🏙️ 🏙️ City break / culture : ⚠️ Possible
- 🚶 🚶 Outdoor activities : ❌ Not recommended
- 🏖️ Beach / swimming : ❌ Not recommended
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in March
🎯 Tourist low season — museums and monuments without queues Spring marks the start of the good season in Seattle. Temperatures rise (11°C) and tourists have not yet arrived en masse. With 52% of rainy days, always have indoor alternatives planned.
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Annual table
Month-by-month comparison
| Month | Min °C | Max °C | Rain % | Precip mm | 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
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In March, Seattle averages 11°C, 52% rainy days and 8.4h of sunshine per day. Overall weather score: 4.2/10.
See methodology →
Comparison
March vs July (best month)
The best month is July (score 9.2/10). Difference:
- 🌡️ Max temperature : +13°C
- 🌧 Rainy days : -41%
- ☀️ Sunshine : +6.1h/day
FAQ
FAQ — Seattle in March
Is March a good time to visit Seattle?
March is not recommended for Seattle (score 4.2/10). With 52% rainy days and 8.4h of sunshine, consider July (9.2/10) instead.
Does it rain a lot in Seattle in March?
Yes, 52% of days see rain in March. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Seattle
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