Average annual temperature is 11.9 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -21.5 °C
Number of sunny days: 168 days
Number of rainy days: 192 days
Number of snow days: 5 days
Look at detailed online map of Mashantucket
* Weather data for Mashantucket 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) | 17.6 | 19.6 | 15.1 | 32.7 | 28.7 | 31.5 | 32.5 | 29.3 | 33.3 | 28.5 | 18.1 | 16.0 |
| Average daytime temperature (°C) | 7.6 | 6.8 | 9.2 | 17.2 | 20.9 | 24.4 | 28.6 | 26.0 | 23.2 | 19.2 | 10.5 | 8.9 |
| Average temperature (°C) | 3.7 | 2.1 | 4.2 | 11.2 | 14.6 | 18.5 | 23.5 | 21.3 | 18.7 | 13.9 | 5.4 | 4.6 |
| Average night temperature (°C) | 0.3 | -2.2 | 0.0 | 6.4 | 8.8 | 13.8 | 19.6 | 17.3 | 15.3 | 10.2 | 1.4 | 1.1 |
| Absolute minimum temperature (°C) | -5.1 | -21.5 | -4.1 | -2.0 | 2.9 | 6.9 | 14.8 | 12.6 | 8.3 | 5.2 | -4.5 | -6.4 |
| 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) | 3.9 | 6.6 | 7.5 | 8.9 | 11.7 | 10.1 | 10.6 | 9.5 | 7.3 | 7.9 | 7.2 | 5.4 |
| Precipitation (mm) | 169 | 48 | 103 | 96 | 65 | 107 | 170 | 151 | 276 | 71 | 38 | 194 |
| Sunny days | 9 | 14 | 16 | 16 | 21 | 8 | 11 | 6 | 14 | 14 | 22 | 17 |
| Rainy days | 21 | 12 | 14 | 14 | 10 | 22 | 20 | 25 | 16 | 17 | 7 | 14 |
| Snow days | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Mashantucket during the most sunny months:
The largest precipitation sum in Mashantucket is at