Average annual temperature is 12.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 214 days
Number of rainy days: 138 days
Number of snow days: 13 days
Look at detailed online map of Mystic
* Weather data for Mystic 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) | 13.9 | 15.4 | 20.6 | 27.5 | 30.5 | 32.6 | 36.0 | 36.3 | 32.8 | 31.6 | 20.1 | 14.7 |
| Average daytime temperature (°C) | 4.3 | 8.1 | 9.1 | 18.0 | 25.2 | 29.4 | 30.0 | 28.7 | 27.2 | 19.1 | 11.5 | 7.3 |
| Average temperature (°C) | -0.4 | 1.2 | 3.8 | 11.2 | 18.5 | 23.3 | 24.2 | 23.6 | 20.9 | 14.0 | 6.1 | 3.5 |
| Average night temperature (°C) | -3.6 | -3.7 | -0.2 | 5.6 | 12.6 | 17.5 | 19.1 | 19.4 | 15.8 | 9.9 | 1.7 | 0.5 |
| Absolute minimum temperature (°C) | -14.6 | -16.1 | -12.3 | -3.2 | 3.5 | 9.5 | 14.5 | 12.9 | 10.5 | -3.6 | -8.8 | -6.3 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 5.4 | 7.6 | 6.9 | 10.0 | 11.4 | 12.2 | 11.5 | 10.7 | 10.5 | 7.5 | 7.2 | 5.0 |
| Precipitation (mm) | 67 | 94 | 104 | 33 | 72 | 47 | 110 | 126 | 17 | 74 | 20 | 90 |
| Sunny days | 17 | 19 | 13 | 19 | 19 | 18 | 14 | 13 | 23 | 18 | 25 | 16 |
| Rainy days | 9 | 7 | 17 | 9 | 12 | 12 | 17 | 18 | 7 | 13 | 4 | 13 |
| Snow days | 5 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Mystic during the most sunny months:
The largest precipitation sum in Mystic is at