Average annual temperature is 11.6 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -13.3 °C
Number of sunny days: 168 days
Number of rainy days: 182 days
Number of snow days: 15 days
Look at detailed online map of Thomaston
* Weather data for Thomaston 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) | 17.4 | 14.2 | 19.2 | 26.7 | 32.9 | 34.3 | 32.9 | 35.7 | 32.1 | 28.9 | 20.9 | 14.6 |
| Average daytime temperature (°C) | 4.5 | 7.2 | 8.2 | 17.3 | 23.7 | 28.2 | 28.4 | 26.9 | 24.5 | 17.6 | 10.8 | 7.4 |
| Average temperature (°C) | 0.7 | 1.6 | 3.0 | 10.3 | 16.8 | 21.2 | 22.7 | 21.6 | 19.1 | 12.9 | 5.3 | 3.8 |
| Average night temperature (°C) | -2.1 | -2.3 | -1.0 | 4.5 | 10.6 | 15.2 | 17.5 | 17.0 | 14.4 | 9.3 | 1.2 | 1.2 |
| Absolute minimum temperature (°C) | -13.3 | -12.7 | -9.7 | -4.2 | 0.9 | 9.4 | 13.1 | 10.4 | 7.6 | -3.9 | -9.2 | -7.4 |
| 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) | 3.2 | 7.3 | 6.5 | 9.0 | 10.2 | 11.5 | 12.1 | 10.9 | 9.0 | 6.5 | 6.8 | 3.9 |
| Precipitation (mm) | 71 | 92 | 146 | 80 | 79 | 72 | 116 | 157 | 53 | 181 | 33 | 70 |
| Sunny days | 9 | 16 | 9 | 14 | 18 | 16 | 12 | 15 | 13 | 12 | 22 | 12 |
| Rainy days | 16 | 10 | 21 | 16 | 13 | 14 | 19 | 16 | 17 | 18 | 6 | 16 |
| Snow days | 6 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
The best time to visit Thomaston during the most sunny months:
The largest precipitation sum in Thomaston is at