Average annual temperature is 11.9 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 171 days
Number of rainy days: 179 days
Number of snow days: 15 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) | 17.0 | 18.7 | 18.8 | 25.8 | 30.3 | 32.9 | 32.4 | 32.3 | 32.1 | 28.7 | 20.9 | 16.4 |
| Average daytime temperature (°C) | 4.8 | 9.2 | 9.3 | 17.1 | 21.8 | 26.3 | 28.5 | 26.8 | 24.8 | 17.6 | 11.1 | 8.3 |
| Average temperature (°C) | 1.6 | 2.8 | 3.7 | 10.7 | 15.6 | 20.4 | 23.4 | 21.6 | 19.4 | 13.1 | 5.7 | 4.6 |
| Average night temperature (°C) | -1.2 | -1.6 | -0.3 | 5.3 | 10.0 | 14.6 | 18.7 | 16.8 | 14.7 | 9.3 | 1.9 | 2.0 |
| Absolute minimum temperature (°C) | -11.6 | -12.0 | -8.0 | -1.3 | 1.9 | 9.9 | 14.3 | 10.6 | 8.6 | -3.2 | -8.1 | -4.3 |
| 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 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 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) | 2.9 | 7.3 | 7.2 | 9.0 | 10.4 | 10.5 | 12.0 | 10.7 | 9.5 | 6.8 | 7.4 | 4.1 |
| Precipitation (mm) | 111 | 73 | 121 | 73 | 53 | 108 | 96 | 92 | 19 | 60 | 25 | 48 |
| Sunny days | 8 | 15 | 11 | 13 | 20 | 16 | 9 | 14 | 20 | 13 | 20 | 12 |
| Rainy days | 17 | 11 | 15 | 17 | 11 | 14 | 22 | 17 | 10 | 17 | 10 | 18 |
| Snow days | 6 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Allen County during the most sunny months:
The largest precipitation sum in Allen County is at