Seattle Klima and Average Vejr
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 | ★★★☆☆ |
| marts | 11° | 5° | 143 mm | ★★★☆☆ |
| april | 14° | 7° | 62 mm | ★★★★☆ |
| maj | 18° | 10° | 47 mm | ★★★★☆ |
| juni | 22° | 13° | 33 mm | ★★★★★ |
| juli | 25° | 15° | 12 mm | ★★★★★ |
| august | 25° | 15° | 29 mm | ★★★★★ |
| september | 21° | 13° | 51 mm | ★★★★☆ |
| oktober | 15° | 9° | 103 mm | ★★★☆☆ |
| november | 11° | 6° | 154 mm | ★★☆☆☆ |
| december | 10° | 5° | 218 mm | ★★☆☆☆ |
Klima type: Temperate. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Seattle
Højest 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 | 1103 mm |
| deception Pass State Park | 92 km | 10°C | 1°C cooler | 1058 mm |
| Mount Regnier National Park | 93 km | -3°C | 15°C cooler | 2609 mm |
| Mount Regnier | 94 km | -15°C | 26°C cooler | 2609 mm |
| Olympic National Park | 98 km | 4°C | 8°C cooler | 2931 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
Bedste rejsetid Seattle
Go in juni, juli and august. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, november and december - expect the least comfortable mix of heat, cold or rain.
What this means for Seattle
Today is slightly cooler than average for september. The forecast high of 18°C is 2.5°C below the 21°C typical for this month.
A 15% chance means most of the area stays dry; a passing shower is possible but short.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni og august.
The gap between the warmest and coldest month averages 15°C.
What og pack, what og skip
- Normal seasonal clothing - nothing unusual is needed this week
- If your dates are flexible, avoid januar, november and december - historically the least comfortable months here.
Resumé
Seattle is a city in Washington. Seattle is known for Space Needle, coffee and Puget Sound. Der bor omkring 750.000.
Lige nu er det 12°C (53°F) in Seattle med overskyet. Det føles som 11°C. I dag ligger temperaturen mellem 12°C og 18°C. Sandsynligheden for nedbør er 15%. Sightseeing conditions score 8.9/10 - fremragende — tag af sted nu.
Det bedste tidspunkt at besøge Seattle is juni, juli and august. Klimaet er temperate. januar, november and december tend og 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, deception Pass State Park, Mount Regnier National Park and Mount Regnier.
Kort sagt. Today is slightly cooler than average for september. The forecast high of 18°C is 2.5°C below the 21°C typical for this month. The best window og be outside is roughly 3 PM og 6 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Seattle today at 9.7/10. 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 | Nordamerika |
| 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 | 3:43 AM (UTC-07:00) |
| Best months | juni, juli and august |
| Klima | Temperate |
Vejr map for Seattle
Animated model layers. Pick a layer og 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 Nordamerika.
What is the weather like in Seattle lige nu?
It is currently 12°C (53°F) med overskyet. Luftfugtighed is 87% and wind is 5 km/h.
When is the best time og visit Seattle?
juni, juli and august offer the most comfortable conditions in Seattle, which has a temperate climate. januar, november and december 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 3:43 AM.
How many people live in Seattle?
Seattle has a population of approximately 750.000.
What is the nearest airport og 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 og do in Seattle?
Popular options include Space Needle, deception 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. |
|---|---|
| Prognose 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 Vejr 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 15, 2026 at 3:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
