Average annual temperature is 12.1 °C
Absolute maximum temperature: 30.4 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 134 days
Number of rainy days: 223 days
Number of snow days: 8 days
Look at detailed online map of Summersville
* Weather data for Summersville 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) | 18.8 | 21.4 | 21.8 | 27.0 | 25.5 | 27.6 | 30.4 | 29.1 | 29.1 | 26.0 | 22.0 | 15.9 |
| Average daytime temperature (°C) | 8.7 | 11.8 | 11.5 | 18.8 | 20.3 | 23.5 | 27.1 | 25.6 | 22.9 | 18.0 | 12.2 | 9.2 |
| Average temperature (°C) | 3.8 | 5.9 | 5.9 | 12.1 | 14.8 | 18.1 | 21.9 | 20.7 | 17.8 | 13.0 | 6.4 | 4.4 |
| Average night temperature (°C) | 0.4 | 1.2 | 1.2 | 6.6 | 9.9 | 13.3 | 17.5 | 16.8 | 13.7 | 8.8 | 1.8 | 0.9 |
| Absolute minimum temperature (°C) | -11.3 | -10.9 | -10.1 | -1.8 | 1.7 | 8.0 | 13.2 | 9.5 | 9.1 | -0.3 | -8.0 | -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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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 | 6.7 | 6.9 | 9.1 | 9.7 | 10.8 | 11.7 | 10.3 | 9.5 | 7.6 | 7.2 | 5.0 |
| Precipitation (mm) | 105 | 104 | 91 | 74 | 108 | 69 | 132 | 200 | 75 | 64 | 62 | 108 |
| Sunny days | 5 | 11 | 11 | 16 | 12 | 7 | 7 | 7 | 11 | 15 | 19 | 13 |
| Rainy days | 23 | 16 | 18 | 14 | 19 | 23 | 24 | 24 | 19 | 16 | 10 | 17 |
| Snow days | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Summersville during the most sunny months:
The largest precipitation sum in Summersville is at