Tiffin, IA Weather & Climate Normals
Tiffin's real weather, in one number
Tiffin, 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.
Tiffin's hottest and coldest months
Tiffin's hottest month is Jul, averaging 76°F; its coldest is Jan, averaging 23°F, a 53°F swing across the year, one of the widest gaps in this dataset.
Tiffin's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 31°F | 15°F | 1.04in |
| Feb | 36°F | 19°F | 1.21in |
| Mar | 50°F | 30°F | 2.21in |
| Apr | 63°F | 40°F | 3.76in |
| May | 73°F | 52°F | 4.48in |
| Jun | 83°F | 62°F | 5.29in |
| Jul | 86°F | 66°F | 3.91in |
| Aug | 84°F | 63°F | 3.94in |
| Sep | 78°F | 54°F | 3.24in |
| Oct | 64°F | 42°F | 2.98in |
| Nov | 49°F | 30°F | 2.17in |
| Dec | 36°F | 20°F | 1.45in |
May, Jun, Aug, and Sep are the best time to see Tiffin at its mildest; the rest of the year, plan around Jul's heat and Jan's cold.
Rain and snow in Tiffin
Over a typical year, Tiffin sees about 35.68in of precipitation a year across roughly 115 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Tiffin ranks
Tiffin ranks 4302 of 4876 US cities in this dataset for comfort score, and 58 of 85 within IA. About 6,695 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Iowa City Muni Ap, IA US, 7.6 miles from Tiffin, 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