Average annual temperature is 10.4 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 138 days
Number of rainy days: 211 days
Number of snow days: 16 days
Look at detailed online map of Marshwood
* Weather data for Marshwood 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) | 14.6 | 15.6 | 14.7 | 28.1 | 28.6 | 31.6 | 31.4 | 28.7 | 31.3 | 28.0 | 16.6 | 12.1 |
| Average daytime temperature (°C) | 5.2 | 6.6 | 7.5 | 16.7 | 20.2 | 23.7 | 27.7 | 25.2 | 22.3 | 16.8 | 8.3 | 6.4 |
| Average temperature (°C) | 1.6 | 0.6 | 2.1 | 10.3 | 13.3 | 17.9 | 22.3 | 19.9 | 17.1 | 12.1 | 3.6 | 2.7 |
| Average night temperature (°C) | -1.4 | -4.1 | -2.4 | 5.1 | 6.4 | 12.6 | 17.7 | 15.4 | 12.9 | 8.4 | 0.0 | -0.2 |
| Absolute minimum temperature (°C) | -7.9 | -20.3 | -9.8 | -4.0 | -0.5 | 6.4 | 13.6 | 10.6 | 6.0 | 1.2 | -6.3 | -6.0 |
| 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 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.8 | 5.9 | 6.7 | 8.5 | 12.1 | 10.8 | 11.6 | 10.3 | 8.2 | 7.3 | 7.3 | 3.8 |
| Precipitation (mm) | 93 | 56 | 101 | 92 | 53 | 95 | 104 | 124 | 114 | 111 | 58 | 153 |
| Sunny days | 8 | 10 | 8 | 14 | 20 | 8 | 5 | 9 | 13 | 14 | 17 | 12 |
| Rainy days | 17 | 15 | 19 | 16 | 11 | 22 | 26 | 22 | 17 | 17 | 12 | 17 |
| Snow days | 6 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Marshwood during the most sunny months:
The largest precipitation sum in Marshwood is at