Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 171 days
Number of rainy days: 183 days
Number of snow days: 11 days
Look at detailed online map of Jay County
* Weather data for Jay 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) | 17.5 | 18.5 | 19.8 | 26.6 | 31.0 | 32.4 | 33.4 | 33.9 | 32.2 | 28.9 | 23.6 | 15.7 |
| Average daytime temperature (°C) | 5.2 | 9.9 | 10.0 | 17.5 | 22.4 | 26.8 | 28.8 | 27.0 | 25.2 | 18.2 | 11.6 | 8.3 |
| Average temperature (°C) | 1.9 | 3.3 | 4.2 | 11.0 | 16.1 | 20.6 | 23.5 | 22.0 | 19.7 | 13.4 | 6.0 | 4.5 |
| Average night temperature (°C) | -0.9 | -1.2 | 0.1 | 5.5 | 10.4 | 14.9 | 18.6 | 17.4 | 14.7 | 9.4 | 2.1 | 1.7 |
| Absolute minimum temperature (°C) | -10.5 | -13.3 | -8.1 | -1.4 | 1.6 | 9.9 | 14.5 | 10.9 | 8.9 | -3.6 | -9.2 | -6.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.0 | 7.4 | 6.7 | 8.7 | 10.3 | 10.7 | 12.1 | 10.6 | 9.6 | 7.1 | 7.7 | 3.9 |
| Precipitation (mm) | 113 | 90 | 148 | 82 | 49 | 62 | 94 | 118 | 32 | 77 | 20 | 45 |
| Sunny days | 7 | 16 | 13 | 14 | 21 | 12 | 10 | 13 | 18 | 13 | 21 | 13 |
| Rainy days | 20 | 11 | 14 | 16 | 10 | 18 | 21 | 18 | 12 | 17 | 9 | 17 |
| Snow days | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Jay County during the most sunny months:
The largest precipitation sum in Jay County is at