Average annual temperature is 12.1 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 156 days
Number of rainy days: 206 days
Number of snow days: 3 days
Look at detailed online map of Barnstable
* Weather data for Barnstable 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) | 13.1 | 17.2 | 13.1 | 25.4 | 24.8 | 26.0 | 30.7 | 28.9 | 32.3 | 24.8 | 17.6 | 15.9 |
| Average daytime temperature (°C) | 7.4 | 6.2 | 7.6 | 14.2 | 17.9 | 21.4 | 27.2 | 25.1 | 22.5 | 18.2 | 10.5 | 8.5 |
| Average temperature (°C) | 4.4 | 2.4 | 4.5 | 10.3 | 13.8 | 17.6 | 23.4 | 21.5 | 19.5 | 14.7 | 7.0 | 5.7 |
| Average night temperature (°C) | 1.5 | -1.5 | 1.5 | 6.9 | 10.3 | 14.6 | 20.4 | 18.5 | 17.1 | 11.8 | 4.0 | 3.2 |
| Absolute minimum temperature (°C) | -4.1 | -23.2 | -1.8 | -0.3 | 6.4 | 9.8 | 16.9 | 15.6 | 12.7 | 6.6 | -2.6 | -4.1 |
| 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 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) | 3.9 | 5.6 | 6.8 | 8.5 | 11.7 | 9.9 | 10.2 | 9.7 | 7.7 | 7.8 | 7.0 | 4.9 |
| Precipitation (mm) | 233 | 62 | 105 | 80 | 69 | 75 | 99 | 81 | 149 | 61 | 29 | 121 |
| Sunny days | 6 | 13 | 13 | 16 | 21 | 8 | 10 | 11 | 13 | 10 | 20 | 15 |
| Rainy days | 25 | 13 | 18 | 14 | 10 | 22 | 21 | 20 | 17 | 21 | 9 | 16 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Barnstable during the most sunny months:
The largest precipitation sum in Barnstable is at