Washington State weather by month

Check out Washington State weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
7°C maximum daytime temperature in January in Seattle7
10°C maximum daytime temperature in February in Seattle10
12°C maximum daytime temperature in March in Seattle12
14°C maximum daytime temperature in April in Seattle14
18°C maximum daytime temperature in May in Seattle18
21°C maximum daytime temperature in June in Seattle21
24°C maximum daytime temperature in July in Seattle24
24°C maximum daytime temperature in August in Seattle24
21°C maximum daytime temperature in September in Seattle21
16°C maximum daytime temperature in October in Seattle16
11°C maximum daytime temperature in November in Seattle11
8°C maximum daytime temperature in December in Seattle8
Hours of sunshine (daily)
Days with some rainfall
18 days with some rainfall in January in Seattle18
15 days with some rainfall in February in Seattle15
16 days with some rainfall in March in Seattle16
13 days with some rainfall in April in Seattle13
11 days with some rainfall in May in Seattle11
9 days with some rainfall in June in Seattle9
5 days with some rainfall in July in Seattle5
6 days with some rainfall in August in Seattle6
9 days with some rainfall in September in Seattle9
12 days with some rainfall in October in Seattle12
17 days with some rainfall in November in Seattle17
18 days with some rainfall in December in Seattle18

More about Washington State

Washington State by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Washington State (Seattle) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top Washington State destinations

Below are average maximum temperatures at popular countries, regions and places in Washington State for next month - March. Select a destination to see the climate guide for all months of the year.

All Washington State destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

Compare Washington State with the UK

Below the Washington State chart shows average maximum daytime temperature for Washington, USA (Seattle) and the UK (London).

Maximum daytime temperature (°C)

Washington, USA (Seattle)
UK (London)
7
7
10
7
12
10
14
13
18
17
21
20
24
22
24
22
21
19
16
15
11
10
8
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Compare more Washington State weather >>

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