Average annual temperature is 20.9 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 141 days
Number of rainy days: 224 days
Look at detailed online map of Keene
* Weather data for Keene 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) | 27.7 | 29.5 | 31.0 | 31.2 | 33.1 | 35.9 | 37.4 | 37.0 | 35.3 | 29.4 | 28.1 | 26.1 |
| Average daytime temperature (°C) | 21.1 | 24.5 | 25.1 | 27.1 | 28.6 | 31.4 | 34.2 | 33.6 | 31.1 | 26.2 | 21.7 | 19.0 |
| Average temperature (°C) | 14.3 | 17.8 | 18.5 | 20.8 | 22.4 | 25.1 | 27.6 | 27.8 | 24.8 | 20.8 | 16.4 | 13.9 |
| Average night temperature (°C) | 9.2 | 13.0 | 13.4 | 16.0 | 17.7 | 20.9 | 23.3 | 23.8 | 20.7 | 16.5 | 12.5 | 10.1 |
| Absolute minimum temperature (°C) | -0.6 | 3.2 | 2.7 | 9.7 | 11.3 | 16.7 | 21.2 | 21.9 | 16.7 | 8.6 | 1.8 | 0.8 |
| 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) | 8.1 | 8.6 | 9.2 | 9.3 | 10.5 | 10.9 | 11.3 | 11.3 | 10.2 | 9.4 | 6.8 | 6.8 |
| Precipitation (mm) | 48 | 47 | 44 | 111 | 90 | 136 | 141 | 103 | 120 | 53 | 62 | 108 |
| Sunny days | 20 | 20 | 16 | 8 | 9 | 5 | 2 | 3 | 9 | 19 | 13 | 17 |
| Rainy days | 11 | 8 | 15 | 22 | 22 | 25 | 29 | 28 | 21 | 12 | 17 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Keene is at