Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 175 days
Number of rainy days: 176 days
Number of snow days: 14 days
Look at detailed online map of Allen County
* Weather data for Allen 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) | 16.8 | 16.8 | 17.9 | 26.6 | 31.2 | 32.9 | 32.5 | 33.7 | 31.7 | 28.9 | 20.3 | 15.1 |
| Average daytime temperature (°C) | 4.5 | 7.8 | 8.7 | 17.1 | 22.4 | 27.3 | 29.2 | 27.1 | 24.4 | 17.5 | 10.7 | 7.7 |
| Average temperature (°C) | 1.1 | 2.0 | 3.2 | 10.2 | 15.9 | 20.9 | 23.5 | 21.8 | 19.1 | 12.8 | 5.4 | 4.2 |
| Average night temperature (°C) | -1.7 | -2.2 | -0.7 | 4.5 | 9.8 | 15.0 | 18.2 | 16.9 | 14.4 | 9.0 | 1.5 | 1.5 |
| Absolute minimum temperature (°C) | -14.6 | -17.7 | -7.9 | -3.2 | 1.3 | 10.5 | 14.6 | 11.0 | 9.1 | -3.5 | -7.7 | -4.4 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 2.8 | 7.5 | 6.8 | 8.9 | 10.4 | 11.1 | 12.0 | 10.4 | 8.9 | 6.8 | 7.0 | 4.0 |
| Precipitation (mm) | 80 | 87 | 116 | 77 | 57 | 77 | 84 | 71 | 29 | 85 | 19 | 61 |
| Sunny days | 10 | 18 | 13 | 14 | 20 | 13 | 8 | 15 | 17 | 12 | 23 | 12 |
| Rainy days | 14 | 9 | 15 | 16 | 11 | 17 | 23 | 16 | 13 | 18 | 7 | 17 |
| Snow days | 7 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
The best time to visit Allen County during the most sunny months:
The largest precipitation sum in Allen County is at