Average annual temperature is 12.2 °C
Absolute maximum temperature: 31.1 °C
Absolute minimum temperature: -22.4 °C
Number of sunny days: 166 days
Number of rainy days: 197 days
Number of snow days: 2 days
Look at detailed online map of West Dennis
* Weather data for West Dennis 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 | 16.0 | 12.1 | 26.7 | 24.0 | 24.1 | 30.7 | 29.7 | 31.1 | 24.6 | 16.8 | 15.4 |
| Average daytime temperature (°C) | 7.4 | 6.1 | 7.4 | 13.7 | 17.6 | 20.4 | 26.4 | 24.8 | 22.5 | 17.9 | 10.4 | 8.3 |
| Average temperature (°C) | 4.7 | 2.5 | 4.6 | 10.1 | 13.9 | 17.2 | 23.3 | 21.8 | 19.7 | 14.8 | 7.2 | 5.8 |
| Average night temperature (°C) | 1.9 | -1.3 | 1.7 | 7.1 | 10.8 | 14.6 | 20.8 | 19.1 | 17.4 | 12.1 | 4.2 | 3.3 |
| Absolute minimum temperature (°C) | -3.2 | -22.4 | -1.4 | 0.2 | 6.9 | 9.3 | 17.9 | 16.8 | 12.7 | 6.8 | -2.4 | -3.6 |
| 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 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 5.8 | 6.9 | 8.9 | 11.7 | 10.2 | 10.4 | 9.8 | 7.9 | 7.9 | 7.2 | 5.0 |
| Precipitation (mm) | 229 | 67 | 97 | 69 | 55 | 70 | 82 | 84 | 152 | 54 | 41 | 125 |
| Sunny days | 6 | 12 | 15 | 15 | 21 | 11 | 13 | 12 | 13 | 13 | 21 | 14 |
| Rainy days | 25 | 14 | 16 | 15 | 10 | 19 | 18 | 19 | 17 | 18 | 9 | 17 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit West Dennis during the most sunny months:
The largest precipitation sum in West Dennis is at