Washington, IA Weather & Climate Normals
Washington's real weather, in one number
Washington, IA scores 44/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Washington's hottest and coldest months
Washington's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 21°F, a 53.2°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Washington
Washington averages 37.94in of precipitation a year across roughly 109 days with measurable rain or snow, and 25.2in of snow a year.
Where Washington ranks
Washington ranks 3894 of 4876 US cities in this dataset for comfort score, and 26 of 85 within IA. About 7,281 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from WASHINGTON, IA US, 1.3 miles from Washington, not a prediction for any specific day.
More on how this is worked out
What a 30-year climate normal actually is · Why this uses the nearest NOAA station