Average annual temperature is 19.1 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -0.7 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of Town of Summerville
* Weather data for Town of Summerville 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) | 22.9 | 28.0 | 28.5 | 29.6 | 33.1 | 33.9 | 36.5 | 36.9 | 34.9 | 30.0 | 27.2 | 23.6 |
| Average daytime temperature (°C) | 17.6 | 20.7 | 21.5 | 25.1 | 26.3 | 30.3 | 33.2 | 33.3 | 29.8 | 25.1 | 19.3 | 16.8 |
| Average temperature (°C) | 11.8 | 14.7 | 15.7 | 18.8 | 20.7 | 24.3 | 27.4 | 27.4 | 23.7 | 19.1 | 13.7 | 11.5 |
| Average night temperature (°C) | 7.5 | 10.4 | 10.9 | 13.6 | 16.0 | 19.8 | 23.4 | 23.2 | 19.1 | 14.6 | 9.7 | 7.8 |
| Absolute minimum temperature (°C) | -0.7 | 0.1 | 0.8 | 5.7 | 9.7 | 14.6 | 20.2 | 20.4 | 15.7 | 9.0 | 0.1 | -0.1 |
| 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 | 13.9 | 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) | 7.2 | 7.9 | 8.7 | 10.2 | 9.9 | 10.6 | 11.1 | 11.1 | 10.2 | 9.0 | 7.2 | 6.8 |
| Precipitation (mm) | 121 | 108 | 65 | 125 | 114 | 148 | 192 | 170 | 101 | 61 | 62 | 160 |
| Sunny days | 17 | 14 | 18 | 13 | 8 | 5 | 0 | 5 | 18 | 20 | 20 | 22 |
| Rainy days | 14 | 14 | 13 | 17 | 23 | 25 | 31 | 26 | 12 | 11 | 10 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Town of Summerville is at