Seattle Vær Værmelding
Seattle weather: 10°C, mest klart. Time for time forecast, 14-day outlook, UV, air quality and the best time til visit.
Seattle weather in desember
One of the harder months here - go in med a plan.
desember runs 5°C cooler than the annual average in Seattle.
Compare med november.
Vær map for Seattle
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in Seattle month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 8° | 3° | 141 mm | ★★☆☆☆ |
| februar | 9° | 3° | 110 mm | ★★★☆☆ |
| mars | 11° | 5° | 143 mm | ★★★☆☆ |
| april | 14° | 7° | 62 mm | ★★★★☆ |
| mai | 18° | 10° | 47 mm | ★★★★☆ |
| juni | 22° | 13° | 33 mm | ★★★★★ |
| juli | 25° | 15° | 12 mm | ★★★★★ |
| august | 25° | 15° | 33 mm | ★★★★★ |
| september | 21° | 13° | 42 mm | ★★★★☆ |
| oktober | 15° | 9° | 103 mm | ★★★☆☆ |
| november | 11° | 6° | 154 mm | ★★☆☆☆ |
| desember | 10° | 5° | 218 mm | ★★☆☆☆ |
Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).
Beste tid å besøke Seattle
Go in juni, juli and august. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, november and desember - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid januar, november and desember - historically the least comfortable months here.
How Seattle compares med 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 |
| deseption Pass State Park | 92 km | 10°C | 1°C cooler | 1059 mm |
| Mount Regnier National Park | 93 km | -3°C | 15°C cooler | 2606 mm |
| Mount Regnier | 94 km | -15°C | 26°C cooler | 2606 mm |
| Olympic National Park | 98 km | 4°C | 8°C cooler | 2933 mm |
Se prognosen for Seattle etter tidsintervall
Seattle weather - more answers
Explore Seattle
Every topic we hold for this place, and the same topic for the places around it.
Vær 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 Nord-Amerika.
What is the weather like in Seattle akkurat nå?
It is currently 10°C (50°F) med mest klart. Luftfuktighet is 75% and wind is 5 km/h.
When is the best time til visit Seattle?
juni, juli and august offer the most comfortable conditions in Seattle, which has a temperate climate. januar, november and desember 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 12:28 PM.
How many people live in Seattle?
Seattle has a population of approximately 750.000.
What is the nearest airport til 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 til do in Seattle?
Popular options include Space Needle, deseption Pass State Park, Mount Regnier National Park, Mount Regnier, 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. |
|---|---|
| Værmelding and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vær 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 oktober 1, 2026 at 12:28 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
