Average annual temperature is 10.9 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -18.9 °C
Number of sunny days: 154 days
Number of rainy days: 196 days
Number of snow days: 15 days
Look at detailed online map of Wiscasset
* Weather data for Wiscasset 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) | 16.8 | 16.2 | 14.7 | 29.4 | 28.1 | 32.5 | 31.3 | 28.6 | 31.4 | 26.7 | 17.7 | 13.1 |
| Average daytime temperature (°C) | 5.8 | 6.7 | 7.8 | 17.0 | 20.5 | 23.5 | 27.7 | 25.2 | 22.3 | 17.4 | 9.0 | 6.6 |
| Average temperature (°C) | 2.5 | 1.4 | 2.8 | 10.8 | 14.1 | 18.1 | 22.4 | 20.3 | 17.5 | 12.6 | 4.2 | 3.2 |
| Average night temperature (°C) | -0.3 | -2.9 | -1.2 | 6.0 | 8.3 | 13.6 | 18.1 | 16.3 | 13.8 | 9.0 | 0.4 | 0.4 |
| Absolute minimum temperature (°C) | -6.6 | -18.9 | -7.2 | -2.3 | 1.7 | 8.5 | 12.7 | 12.5 | 7.7 | 1.6 | -6.0 | -5.0 |
| 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 | 9.3 |
| 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) | 4.6 | 6.6 | 7.2 | 8.5 | 11.9 | 10.6 | 11.7 | 10.0 | 8.0 | 7.7 | 7.4 | 4.1 |
| Precipitation (mm) | 124 | 44 | 109 | 132 | 45 | 141 | 107 | 110 | 164 | 78 | 77 | 201 |
| Sunny days | 11 | 14 | 11 | 14 | 19 | 11 | 6 | 9 | 13 | 15 | 18 | 13 |
| Rainy days | 17 | 9 | 16 | 16 | 12 | 19 | 25 | 22 | 17 | 16 | 11 | 16 |
| Snow days | 3 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Wiscasset during the most sunny months:
The largest precipitation sum in Wiscasset is at