Average annual temperature is 16.2 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 240 days
Number of rainy days: 124 days
Number of snow days: 1 day
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) | 17.7 | 21.5 | 27.9 | 33.1 | 33.1 | 37.4 | 37.5 | 39.6 | 37.2 | 32.7 | 24.3 | 18.7 |
| Average daytime temperature (°C) | 10.3 | 12.1 | 16.5 | 23.4 | 26.3 | 30.7 | 33.3 | 34.5 | 31.1 | 23.2 | 15.4 | 11.8 |
| Average temperature (°C) | 4.1 | 5.0 | 9.5 | 15.7 | 20.4 | 25.0 | 27.6 | 28.5 | 24.9 | 17.2 | 9.5 | 6.5 |
| Average night temperature (°C) | -0.2 | -0.2 | 4.0 | 9.3 | 15.2 | 19.8 | 22.5 | 23.0 | 19.7 | 12.3 | 4.6 | 2.6 |
| Absolute minimum temperature (°C) | -11.1 | -9.1 | -6.7 | 1.2 | 5.1 | 16.0 | 17.7 | 16.6 | 14.6 | -1.8 | -10.0 | -3.8 |
| 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 | 11.2 | 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) | 6.9 | 7.8 | 8.6 | 10.0 | 10.2 | 11.9 | 12.0 | 12.2 | 10.5 | 8.3 | 7.4 | 6.6 |
| Precipitation (mm) | 46 | 28 | 10 | 49 | 62 | 112 | 78 | 42 | 34 | 116 | 40 | 75 |
| Sunny days | 22 | 18 | 20 | 22 | 13 | 14 | 18 | 21 | 24 | 21 | 23 | 24 |
| Rainy days | 8 | 10 | 11 | 8 | 18 | 16 | 13 | 10 | 6 | 10 | 7 | 7 |
| Snow days | 1 | 0 | 0 | 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