Seattle Klima and Average Vær
Klima of Seattle: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in Seattle
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 |
Klima by airport in Seattle
1 airports mapped in this atlas
Klima by attraction in Seattle
1 attractions mapped in this atlas
Klima by zip / postal code in Seattle
1 zip and postal codes mapped in this atlas
Klima by area code in Seattle
1 area codes mapped in this atlas
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 this means for Seattle
Today is cooler than average for september. The forecast high of 17°C is 4.1°C below the 21°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 15°C.
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.
Sammendrag
Seattle is a city in Washington. Seattle is known for Space Needle, coffee and Puget Sound. Befolkningen er rundt 750.000.
Akkurat nå er det 13°C (55°F) in Seattle med klarvær. Det føles som 11°C. I dag varierer temperaturen mellom 9°C til 17°C. Sannsynligheten for nedbør er 9%. Sightseeing conditions score 9.1/10 - utmerket — dra nå.
Beste tidspunkt å besøke Seattle is juni, juli and august. Klimaet er temperate. januar, november and desember tend til be the least comfortable months. juli is the warmest month med average highs near 25°C, while januar is the coldest med lows near 3°C.
The closest major airport is Seattle-Tacoma International Airport (SEA), about 17 km away. Nearby highlights include Space Needle, deseption Pass State Park, Mount Regnier National Park and Mount Regnier.
Kort sagt. Today is cooler than average for september. The forecast high of 17°C is 4.1°C below the 21°C typical for this month. The best window til be outside is roughly 4 PM til 7 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Seattle today at 9.5/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Seattle
| Type | City |
|---|---|
| State | Washington |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 47°36′22.3″N 122°19′55.6″W (47.6062, -122.3321) |
| Befolkning | 750.000 |
| Known for | Space Needle, coffee and Puget Sound |
| Lokal tid | 8:46 PM (UTC-07:00) |
| Best months | juni, juli and august |
| Klima | Temperate |
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.
Explore Seattle
Every topic we hold for this place, and the same topic for the places around it.
Klima 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 13°C (55°F) med klarvær. Luftfuktighet is 78% and wind is 8 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 8:46 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 september 30, 2026 at 8:46 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





