Average annual temperature is 11.3 °C
Absolute maximum temperature: 26.3 °C
Absolute minimum temperature: -26.4 °C
Number of sunny days: 171 days
Number of rainy days: 189 days
Number of snow days: 5 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) | 11.3 | 10.3 | 8.4 | 15.9 | 17.8 | 21.6 | 26.3 | 24.9 | 25.1 | 19.6 | 15.2 | 13.7 |
| Average daytime temperature (°C) | 6.8 | 5.2 | 6.1 | 9.6 | 13.7 | 16.8 | 22.8 | 21.6 | 19.6 | 16.3 | 10.1 | 8.0 |
| Average temperature (°C) | 4.8 | 2.4 | 4.3 | 7.8 | 11.5 | 15.2 | 21.1 | 20.1 | 18.5 | 14.7 | 7.9 | 6.4 |
| Average night temperature (°C) | 3.3 | -0.1 | 3.0 | 6.5 | 10.3 | 14.3 | 20.1 | 19.1 | 17.6 | 13.6 | 6.3 | 5.0 |
| Absolute minimum temperature (°C) | -0.4 | -26.4 | 0.0 | 2.7 | 6.5 | 9.9 | 18.2 | 17.6 | 13.9 | 7.1 | 0.4 | -0.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.2 | 5.3 | 7.1 | 9.3 | 11.9 | 10.1 | 10.7 | 10.1 | 8.0 | 8.0 | 7.2 | 5.0 |
| Precipitation (mm) | 220 | 66 | 108 | 62 | 53 | 76 | 71 | 97 | 123 | 58 | 31 | 101 |
| Sunny days | 7 | 10 | 13 | 17 | 22 | 17 | 12 | 15 | 15 | 13 | 17 | 13 |
| Rainy days | 24 | 14 | 18 | 13 | 9 | 13 | 19 | 16 | 15 | 18 | 12 | 18 |
| Snow days | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Wellfleet during the most sunny months:
The largest precipitation sum in Wellfleet is at