Knoxville, IA Weather & Climate Normals
Knoxville's real weather, in one number
Knoxville, 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. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Knoxville's hottest and coldest months
Knoxville's hottest month is Jul, averaging 75°F; its coldest is Jan, averaging 21°F, a 53.9°F swing across the year, one of the widest gaps in this dataset.
Knoxville's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 30°F | 13°F | 1.15in |
| Feb | 35°F | 17°F | 1.67in |
| Mar | 48°F | 28°F | 1.87in |
| Apr | 61°F | 39°F | 3.85in |
| May | 71°F | 51°F | 4.98in |
| Jun | 81°F | 61°F | 5.61in |
| Jul | 85°F | 66°F | 4.34in |
| Aug | 83°F | 63°F | 3.89in |
| Sep | 76°F | 54°F | 3.66in |
| Oct | 63°F | 42°F | 3.06in |
| Nov | 48°F | 30°F | 1.8in |
| Dec | 36°F | 19°F | 1.57in |
May, Jun, Aug, and Sep are the best time to see Knoxville at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Knoxville
Over a typical year, Knoxville sees about 37.45in of precipitation a year across roughly 95 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Knoxville ranks
Knoxville ranks 4290 of 4876 US cities in this dataset for comfort score, and 56 of 85 within IA. About 7,440 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Knoxville, IA US, 0.4 miles from Knoxville, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · How the comfort score is calculated