Average annual temperature is 21.8 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 2.0 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of Caswell
* Weather data for Caswell 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) | 23.5 | 24.2 | 25.2 | 26.7 | 30.7 | 33.7 | 33.6 | 37.6 | 33.4 | 30.6 | 25.0 | 23.4 |
| Average daytime temperature (°C) | 18.5 | 20.1 | 21.7 | 23.5 | 26.7 | 29.9 | 31.5 | 33.7 | 30.7 | 25.3 | 20.5 | 16.9 |
| Average temperature (°C) | 15.3 | 16.9 | 18.5 | 20.4 | 23.8 | 27.0 | 28.8 | 30.4 | 27.4 | 21.9 | 16.7 | 13.9 |
| Average night temperature (°C) | 12.0 | 14.2 | 15.7 | 17.4 | 20.6 | 23.9 | 26.0 | 27.6 | 24.2 | 18.7 | 13.5 | 11.0 |
| Absolute minimum temperature (°C) | 2.4 | 3.2 | 2.0 | 12.0 | 13.4 | 21.8 | 23.3 | 24.4 | 21.2 | 11.3 | 5.3 | 4.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.5 | 8.3 | 9.9 | 9.5 | 11.3 | 11.7 | 11.8 | 11.9 | 11.0 | 9.6 | 6.9 | 7.1 |
| Precipitation (mm) | 100 | 72 | 91 | 106 | 121 | 105 | 110 | 40 | 49 | 96 | 160 | 91 |
| Sunny days | 14 | 10 | 15 | 12 | 9 | 6 | 4 | 12 | 13 | 22 | 21 | 22 |
| Rainy days | 17 | 18 | 16 | 18 | 22 | 24 | 27 | 19 | 17 | 9 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Caswell is at