Seattle Weather, When to Go and Climate Information

(Seattle, Washington - WA, USA)



Seattle has a reputation for having wet weather, but annual precipitation here is actually only 37 inches / 94 cm. However, the city can often be overcast, with its climate being described as Marine West Coast and Oceanic.

Springtime in Seattle offers mild weather and this season can also feature wet spells. In summer, from June through September, visitors can enjoy warm sunny days and a cool climate, with long dry periods, especially during July and early August.

Autumn can be a delightful time to visit and during September and October the temperature is mild, although cool evenings can be experienced.


Winter in Seattle runs from November through to March and the coldest months are December, January and February, when daytime temperatures drop to around 45°F / 7°C. This is also the wettest time of the year, with snowfalls most likely to occur in January and February.

Seattle Weather and Climate Chart (Averages)


The following are the normal daily temperature ranges for Seattle:
Maximum
Minimum

January

8°C / 46°F
2°C / 36°F

February

9°C / 48°F
4°C / 39°F

March

12°C / 54°F
6°C / 43°F

April

15°C / 59°F
7°C / 45°F

May

19°C / 66°F
9°C / 48°F

June

22°C / 72°F
12°C / 54°F

July

23°C / 73°F
13°C / 55°F

August

24°C / 75°F
13°C / 55°F

September

20°C / 68°F
11°C / 52°F

October

15°C / 59°F
9°C / 48°F

November

11°C / 52°F
5°C / 41°F

December

8°C / 46°F
3°C / 37°F

Seattle Weather Charts - further Seattle climate statistics and charts.