Charles City, IA Weather & Climate Normals
Charles City's real weather, in one number
Charles City, IA scores 42/100 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.
Charles City's hottest and coldest months
Charles City's hottest month is Jul, averaging 72°F; its coldest is Jan, averaging 17°F, a 55.5°F swing across the year, one of the widest gaps in this dataset.
Charles City's weather across the year
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 25°F | 9°F | 1.01in | 9.5in |
| Feb | 30°F | 13°F | 1.14in | 9.3in |
| Mar | 43°F | 25°F | 1.93in | 5.4in |
| Apr | 58°F | 37°F | 3.73in | 2.1in |
| May | 70°F | 49°F | 5.06in | 0.3in |
| Jun | 79°F | 59°F | 6.13in | 0in |
| Jul | 82°F | 62°F | 4.92in | 0in |
| Aug | 80°F | 60°F | 4.28in | 0in |
| Sep | 73°F | 51°F | 3.82in | 0in |
| Oct | 60°F | 39°F | 2.58in | 0.1in |
| Nov | 44°F | 26°F | 1.74in | 2.8in |
| Dec | 30°F | 15°F | 1.38in | 8in |
May, Jun, Jul, Aug, and Sep are the best time to see Charles City at its mildest; the rest of the year, plan around Jan's cold.
Rain and snow in Charles City
Charles City averages 37.72in of precipitation a year across roughly 111 days with measurable rain or snow, and 37.5in of snow a year.
Where Charles City ranks
Charles City ranks 4297 of 4876 US cities in this dataset for comfort score, and 57 of 85 within IA. About 7,081 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Charles City, IA US, 0.3 miles from Charles City, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure