Average annual temperature is 10.7 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 223 days
Number of rainy days: 104 days
Number of snow days: 38 days
Look at detailed online map of Jerome County
* Weather data for Jerome County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.6 | 9.4 | 13.1 | 30.8 | 31.8 | 32.6 | 40.0 | 38.7 | 32.1 | 27.9 | 16.9 | 11.2 |
| Average daytime temperature (°C) | 3.0 | 5.4 | 6.7 | 15.3 | 24.0 | 25.6 | 35.9 | 32.7 | 26.6 | 18.1 | 8.8 | 5.3 |
| Average temperature (°C) | -1.5 | -1.2 | 0.9 | 7.7 | 17.0 | 18.6 | 27.7 | 24.9 | 18.6 | 10.9 | 3.0 | 0.4 |
| Average night temperature (°C) | -4.4 | -5.0 | -3.1 | 1.7 | 10.3 | 11.9 | 19.3 | 18.0 | 12.0 | 5.7 | -1.3 | -2.3 |
| Absolute minimum temperature (°C) | -15.8 | -11.9 | -7.5 | -4.8 | 3.5 | 4.7 | 13.5 | 11.3 | 5.9 | -5.7 | -13.1 | -7.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.6 | 7.5 | 7.2 | 10.3 | 11.7 | 12.4 | 13.4 | 11.6 | 10.9 | 8.5 | 7.1 | 5.8 |
| Precipitation (mm) | 25 | 16 | 62 | 14 | 48 | 16 | 0 | 16 | 22 | 28 | 40 | 37 |
| Sunny days | 15 | 20 | 6 | 15 | 12 | 18 | 30 | 23 | 22 | 22 | 21 | 19 |
| Rainy days | 9 | 4 | 12 | 9 | 19 | 12 | 1 | 8 | 8 | 9 | 7 | 6 |
| Snow days | 7 | 4 | 13 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Jerome County during the most sunny months:
Months with the longest average daylight duration in Jerome County:
The largest precipitation sum in Jerome County is at