Average annual temperature is 7.3 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: -31.5 °C
Number of sunny days: 131 days
Number of rainy days: 191 days
Number of snow days: 43 days
Look at detailed online map of Town of Topsham
* Weather data for Town of Topsham 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) | 6.8 | 8.5 | 8.5 | 25.5 | 30.5 | 32.6 | 29.5 | 25.1 | 28.6 | 26.5 | 12.7 | 12.3 |
| Average daytime temperature (°C) | 0.8 | 0.1 | 3.2 | 12.8 | 18.3 | 21.1 | 24.8 | 21.9 | 20.7 | 15.0 | 4.7 | 3.2 |
| Average temperature (°C) | -2.9 | -5.7 | -1.3 | 6.6 | 11.7 | 15.9 | 19.9 | 17.1 | 15.6 | 10.2 | 0.0 | -0.7 |
| Average night temperature (°C) | -6.4 | -10.9 | -5.6 | 1.8 | 5.6 | 11.5 | 15.5 | 13.1 | 11.3 | 6.5 | -3.4 | -3.6 |
| Absolute minimum temperature (°C) | -16.1 | -31.5 | -12.8 | -6.0 | -1.4 | 4.4 | 10.4 | 8.0 | 4.5 | -2.2 | -9.0 | -11.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 5.9 | 6.0 | 7.6 | 11.3 | 8.5 | 10.1 | 10.0 | 8.3 | 5.6 | 6.2 | 3.8 |
| Precipitation (mm) | 99 | 46 | 72 | 85 | 78 | 209 | 265 | 172 | 74 | 105 | 53 | 147 |
| Sunny days | 5 | 12 | 11 | 12 | 19 | 7 | 3 | 6 | 15 | 11 | 17 | 13 |
| Rainy days | 12 | 5 | 12 | 16 | 12 | 23 | 28 | 25 | 15 | 20 | 7 | 16 |
| Snow days | 14 | 11 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 2 |
The best time to visit Town of Topsham during the most sunny months:
Months with the longest average daylight duration in Town of Topsham:
The largest precipitation sum in Town of Topsham is at