Seattle 天気 予報
Seattle weather: 9°C, 曇り. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Seattle weather in 12月
One of the harder months here - go in、a plan.
12月 runs 5°C cooler than the annual average in Seattle.
天気 map for Seattle
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in Seattle month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 8° | 3° | 141 mm | ★★☆☆☆ |
| 2月 | 9° | 3° | 110 mm | ★★★☆☆ |
| 3月 | 11° | 5° | 143 mm | ★★★☆☆ |
| 4月 | 14° | 7° | 62 mm | ★★★★☆ |
| 5月 | 18° | 10° | 47 mm | ★★★★☆ |
| 6月 | 22° | 13° | 33 mm | ★★★★★ |
| 7月 | 25° | 15° | 12 mm | ★★★★★ |
| 8月 | 25° | 15° | 33 mm | ★★★★★ |
| 9月 | 21° | 13° | 42 mm | ★★★★☆ |
| 10月 | 15° | 9° | 103 mm | ★★★☆☆ |
| 11月 | 11° | 6° | 154 mm | ★★☆☆☆ |
| 12月 | 10° | 5° | 218 mm | ★★☆☆☆ |
気候 type: Temperate. 出典： Open-Meteo archive (ERA5).
訪問に最適な時期 Seattle
Go in 6月, 7月 and 8月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 11月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- A warm mid-layer and gloves for early mornings and evenings
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid 1月, 11月 and 12月 - historically the least comfortable months here.
How Seattle compares、nearby places
Annual averages, and the difference against Seattle.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| King County | 0 km | 12°C | about the same | 1098 mm |
| 12月eption Pass State Park | 92 km | 10°C | 1°C cooler | 1059 mm |
| Mount 雨ier National Park | 93 km | -3°C | 15°C cooler | 2537 mm |
| Mount 雨ier | 94 km | -15°C | 26°C cooler | 2606 mm |
| Olympic National Park | 98 km | 4°C | 8°C cooler | 2933 mm |
時間帯別のSeattle 予報を見る
Seattle weather - more answers
Explore Seattle
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Seattle?
Seattle is a city in Washington. Its coordinates are 47.6062, -122.3321. It lies in 北アメリカ.
What is the weather like in Seattle現在?
It is currently 9°C (47°F)、曇り. 湿度 is 87% and wind is 13 km/h.
When is the best timeからvisit Seattle?
6月, 7月 and 8月 offer the most comfortable conditions in Seattle, which has a temperate climate. 1月, 11月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Seattle in?
Seattle observes America/Los_Angeles (UTC-07:00). The local time is 3:20 AM.
How many people live in Seattle?
Seattle has a population of approximately 750.000.
What is the nearest airportからSeattle?
The closest airports are Seattle-Tacoma International Airport (SEA), 17 km away, Vancouver International Airport (YVR), 188 km away and Portland International Airport (PDX), 225 km away.
What are the top thingsからdo in Seattle?
Popular options include Space Needle, 12月eption Pass State Park, Mount 雨ier National Park, Mount 雨ier, Olympic National Park and North Cascades National Park.
What places are in Seattle?
Seattle covers 4 places in this atlas, including Seattle-Tacoma International Airport, Space Needle, ZIP Code 98101 and Area Code 206.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 10月 28, 2026 at 3:20 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
