Best Time to Visit Seattle
Seattle is best visited All year, when conditions are at their most settled.
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Average daily high and low temperatures (°C/°F). Bars show the daily range each month.
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| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January Best | 8.3°C | 3.3°C | 216.0mm | 3.8h | 20 | 8/10 |
| February Best | 8.0°C | 2.4°C | 104.8mm | 5.2h | 14 | 9/10 |
| March Best | 10.2°C | 3.4°C | 82.6mm | 7.1h | 14 | 10/10 |
| April Best | 13.3°C | 5.2°C | 73.7mm | 9.3h | 13 | 10/10 |
| May Best | 17.4°C | 9.3°C | 64.7mm | 9.8h | 11 | 10/10 |
| June Best | 20.9°C | 12.3°C | 58.6mm | 11.1h | 9 | 10/10 |
| July Best | 24.6°C | 14.6°C | 8.0mm | 12.6h | 2 | 10/10 |
| August Best | 24.9°C | 15.2°C | 21.5mm | 11.6h | 5 | 10/10 |
| September Best | 21.3°C | 13.1°C | 66.1mm | 9.3h | 8 | 10/10 |
| October Best | 15.4°C | 9.4°C | 104.4mm | 6.3h | 13 | 9/10 |
| November Best | 10.0°C | 4.9°C | 174.8mm | 4.6h | 18 | 9/10 |
| December Best | 7.6°C | 3.1°C | 184.1mm | 3.2h | 20 | 9/10 |
Seattle Climate
Seattle has a oceanic climate — mild temperatures year-round with regular rainfall. Check the annual climate overview for Seattle for the full year picture, or read the dedicated Seattle rainy season guide.
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Frequently Asked Questions
What is the best month to visit Seattle?
The best month to visit Seattle is January, when temperatures average 8.3°C and conditions score 8/10 for comfort.
What is the weather like in Seattle in January?
January in Seattle is cold, with average highs of 8.3°C and lows of 3.3°C. It is very wet, with around 20 rainy days, with roughly 3.8 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal.
When is rainy season in Seattle?
Rainy season in Seattle runs January, February, October, November, December. Expect heavy downpours and high humidity. Full rainy season guide →
Is Seattle good to visit in winter?
Yes — winter (December, January, February) averages 8.3°C highs with a 8/10 comfort rating, making it a solid time to visit.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.