Average annual temperature is 10.7 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: -24.4 °C
Number of sunny days: 216 days
Number of rainy days: 122 days
Number of snow days: 27 days
Look at detailed online map of Wellfleet
* Weather data for Wellfleet 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) | 7.3 | 14.5 | 19.0 | 32.1 | 28.0 | 31.3 | 35.2 | 37.7 | 37.0 | 28.9 | 21.3 | 16.5 |
| Average daytime temperature (°C) | -1.1 | 6.0 | 8.6 | 18.7 | 23.5 | 27.1 | 29.7 | 30.9 | 27.4 | 17.7 | 12.4 | 6.9 |
| Average temperature (°C) | -4.9 | -1.7 | 1.1 | 10.2 | 17.0 | 21.0 | 23.2 | 24.2 | 20.4 | 11.2 | 5.3 | 0.9 |
| Average night temperature (°C) | -8.3 | -6.7 | -4.1 | 3.1 | 11.1 | 15.4 | 17.7 | 18.3 | 14.2 | 5.7 | 0.2 | -3.0 |
| Absolute minimum temperature (°C) | -24.4 | -20.3 | -9.2 | -6.1 | -0.1 | 11.1 | 11.6 | 12.5 | 8.6 | -7.9 | -8.2 | -6.7 |
| 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 | 10.7 | 11.9 | 13.3 | 14.5 | 15.0 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 6.1 | 8.3 | 8.7 | 11.0 | 10.6 | 12.4 | 12.4 | 12.0 | 10.6 | 8.2 | 7.5 | 5.6 |
| Precipitation (mm) | 63 | 13 | 37 | 11 | 100 | 64 | 66 | 32 | 66 | 19 | 25 | 34 |
| Sunny days | 17 | 18 | 18 | 24 | 7 | 10 | 16 | 19 | 20 | 21 | 24 | 22 |
| Rainy days | 3 | 4 | 9 | 5 | 24 | 20 | 15 | 12 | 10 | 9 | 4 | 7 |
| Snow days | 11 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Wellfleet during the most sunny months:
The largest precipitation sum in Wellfleet is at