Washington climate

Typical historical weather for Washington, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Washington.

Annual average

11.5°C

across all months

Warmest month

29.6°C

Jul average high

Coolest month

-8.4°C

Jan average low

Annual rainfall

975mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

39.5°C

21 June 2022

Coldest day

-31.6°C

31 January 2019

Wettest day

64.2mm

2 April 2025

Windiest day

11.8m/s

13 January 2024