Average annual temperature is 20.6 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: -2.0 °C
Number of sunny days: 196 days
Number of rainy days: 169 days
Look at detailed online map of Allen
* Weather data for Allen 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) | 25.2 | 27.5 | 29.0 | 31.4 | 32.5 | 38.6 | 38.6 | 41.8 | 39.0 | 33.7 | 29.3 | 25.6 |
| Average daytime temperature (°C) | 17.5 | 19.4 | 23.0 | 24.0 | 29.0 | 34.4 | 35.8 | 38.6 | 33.4 | 27.7 | 19.6 | 17.2 |
| Average temperature (°C) | 12.2 | 13.4 | 16.6 | 17.9 | 23.0 | 27.8 | 29.8 | 32.0 | 27.1 | 21.1 | 13.9 | 11.2 |
| Average night temperature (°C) | 8.2 | 9.0 | 12.1 | 13.2 | 17.8 | 22.4 | 24.8 | 26.3 | 21.8 | 16.0 | 9.6 | 6.7 |
| Absolute minimum temperature (°C) | -0.9 | -0.9 | -2.0 | 7.1 | 10.6 | 18.7 | 21.2 | 21.4 | 17.5 | 6.8 | 1.5 | -1.4 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.1 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.6 | 7.3 | 7.9 | 7.8 | 10.1 | 11.1 | 11.6 | 12.2 | 10.8 | 8.7 | 6.8 | 7.9 |
| Precipitation (mm) | 171 | 144 | 126 | 196 | 122 | 104 | 74 | 22 | 56 | 27 | 82 | 70 |
| Sunny days | 13 | 12 | 12 | 9 | 15 | 11 | 15 | 26 | 19 | 22 | 19 | 23 |
| Rainy days | 18 | 16 | 19 | 21 | 16 | 19 | 16 | 5 | 11 | 9 | 11 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Allen during the most sunny months:
The largest precipitation sum in Allen is at