Average annual temperature is 11.2 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -22.8 °C
Number of sunny days: 156 days
Number of rainy days: 201 days
Number of snow days: 8 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) | 18.2 | 17.1 | 15.2 | 32.4 | 28.8 | 34.1 | 31.7 | 28.8 | 33.6 | 27.5 | 18.4 | 14.9 |
| Average daytime temperature (°C) | 6.6 | 6.1 | 8.2 | 17.1 | 20.7 | 24.5 | 28.3 | 25.5 | 22.6 | 18.0 | 9.3 | 7.8 |
| Average temperature (°C) | 2.7 | 1.2 | 3.2 | 10.8 | 14.4 | 18.5 | 23.2 | 20.8 | 18.1 | 13.3 | 4.3 | 3.5 |
| Average night temperature (°C) | -0.7 | -2.9 | -1.1 | 5.9 | 8.6 | 13.8 | 19.2 | 16.9 | 14.6 | 9.7 | 0.6 | 0.6 |
| Absolute minimum temperature (°C) | -5.5 | -22.8 | -5.7 | -2.3 | 1.9 | 7.3 | 14.6 | 12.8 | 8.0 | 2.4 | -5.1 | -6.6 |
| 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 | 14.9 | 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) | 4.5 | 6.5 | 7.4 | 8.6 | 11.8 | 10.4 | 11.1 | 9.5 | 7.6 | 7.5 | 7.0 | 5.0 |
| Precipitation (mm) | 149 | 52 | 140 | 127 | 76 | 86 | 183 | 104 | 280 | 100 | 54 | 217 |
| Sunny days | 11 | 15 | 13 | 14 | 19 | 4 | 5 | 11 | 13 | 16 | 18 | 17 |
| Rainy days | 17 | 11 | 15 | 16 | 12 | 26 | 26 | 20 | 17 | 15 | 12 | 14 |
| Snow days | 3 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Thomaston during the most sunny months:
The largest precipitation sum in Thomaston is at