Average annual temperature is 15.1 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 175 days
Number of rainy days: 187 days
Number of snow days: 3 days
Look at detailed online map of Sumpter
* Weather data for Sumpter 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) | 20.7 | 24.8 | 25.1 | 27.8 | 28.3 | 33.0 | 35.4 | 36.6 | 31.8 | 29.2 | 26.8 | 18.3 |
| Average daytime temperature (°C) | 11.6 | 14.8 | 15.5 | 19.8 | 24.8 | 28.0 | 30.5 | 29.7 | 27.4 | 21.7 | 16.2 | 12.0 |
| Average temperature (°C) | 6.8 | 8.9 | 9.1 | 13.7 | 18.3 | 21.5 | 24.7 | 24.0 | 21.0 | 15.9 | 9.7 | 6.7 |
| Average night temperature (°C) | 3.2 | 4.6 | 4.3 | 8.6 | 12.8 | 16.0 | 20.0 | 19.2 | 15.9 | 11.2 | 5.3 | 2.8 |
| Absolute minimum temperature (°C) | -4.7 | -6.2 | -7.4 | 1.0 | 4.9 | 10.5 | 15.6 | 13.3 | 11.9 | 3.2 | -5.1 | -5.7 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 5.2 | 6.0 | 8.4 | 9.3 | 10.7 | 10.8 | 10.9 | 10.4 | 10.1 | 8.3 | 7.7 | 6.3 |
| Precipitation (mm) | 141 | 114 | 92 | 86 | 87 | 92 | 98 | 81 | 86 | 29 | 50 | 115 |
| Sunny days | 11 | 16 | 18 | 17 | 9 | 14 | 6 | 12 | 17 | 20 | 20 | 15 |
| Rainy days | 19 | 11 | 12 | 13 | 22 | 16 | 25 | 19 | 13 | 11 | 10 | 16 |
| Snow days | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sumpter during the most sunny months:
The largest precipitation sum in Sumpter is at