Average annual temperature is 14.2 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 317 days
Number of rainy days: 40 days
Number of snow days: 8 days
Look at detailed online map of Chalfant Valley
* Weather data for Chalfant Valley 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) | 12.7 | 15.3 | 12.6 | 26.8 | 30.6 | 32.5 | 37.9 | 34.2 | 31.1 | 26.9 | 20.1 | 17.2 |
| Average daytime temperature (°C) | 7.6 | 9.3 | 9.2 | 18.4 | 24.4 | 25.8 | 34.2 | 29.2 | 26.4 | 21.5 | 14.5 | 12.4 |
| Average temperature (°C) | 3.0 | 3.5 | 4.7 | 11.9 | 18.2 | 20.0 | 28.5 | 24.2 | 21.2 | 15.8 | 10.2 | 8.2 |
| Average night temperature (°C) | -0.3 | -0.7 | 1.0 | 6.2 | 11.7 | 14.0 | 21.4 | 19.1 | 15.2 | 10.1 | 5.1 | 3.8 |
| Absolute minimum temperature (°C) | -5.3 | -5.4 | -8.6 | -3.0 | 3.7 | 9.0 | 17.4 | 13.9 | 9.6 | 0.2 | -1.8 | -0.3 |
| 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 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.3 | 8.8 | 9.6 | 12.0 | 12.9 | 13.1 | 13.1 | 11.8 | 11.5 | 10.2 | 9.0 | 8.0 |
| Precipitation (mm) | 142 | 51 | 118 | 0 | 2 | 70 | 0 | 61 | 0 | 8 | 0 | 1 |
| Sunny days | 19 | 21 | 21 | 30 | 28 | 25 | 30 | 27 | 29 | 29 | 30 | 28 |
| Rainy days | 9 | 3 | 9 | 0 | 3 | 5 | 1 | 4 | 1 | 2 | 0 | 3 |
| Snow days | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chalfant Valley is at