Average annual temperature is 18.2 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -2.7 °C
Number of sunny days: 169 days
Number of rainy days: 196 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) | 21.6 | 26.6 | 27.2 | 29.5 | 31.8 | 36.1 | 36.9 | 37.9 | 35.1 | 29.6 | 25.6 | 21.2 |
| Average daytime temperature (°C) | 15.8 | 19.2 | 20.6 | 24.4 | 26.7 | 30.5 | 34.0 | 34.6 | 30.1 | 24.1 | 18.3 | 14.5 |
| Average temperature (°C) | 10.2 | 13.5 | 14.2 | 17.6 | 20.6 | 24.2 | 27.1 | 27.5 | 23.5 | 17.9 | 12.4 | 9.3 |
| Average night temperature (°C) | 5.9 | 9.2 | 9.0 | 12.4 | 15.7 | 19.1 | 22.1 | 22.3 | 18.3 | 12.8 | 8.2 | 5.2 |
| Absolute minimum temperature (°C) | -2.6 | -1.9 | -2.7 | 6.6 | 8.7 | 16.4 | 20.3 | 19.3 | 14.9 | 6.8 | -1.3 | -1.3 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.8 | 6.9 | 8.6 | 9.3 | 10.5 | 11.0 | 11.5 | 11.3 | 10.1 | 9.1 | 7.0 | 6.5 |
| Precipitation (mm) | 196 | 91 | 202 | 127 | 75 | 132 | 125 | 106 | 25 | 87 | 48 | 109 |
| Sunny days | 14 | 10 | 17 | 13 | 9 | 8 | 6 | 11 | 16 | 22 | 22 | 21 |
| Rainy days | 17 | 18 | 14 | 17 | 22 | 22 | 25 | 20 | 14 | 9 | 8 | 10 |
| Snow days | 0 | 0 | 0 | 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