Average annual temperature is 18.5 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -2.6 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of Sumter Junction
* Weather data for Sumter Junction 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) | 23.1 | 27.2 | 29.6 | 30.8 | 34.4 | 33.1 | 35.8 | 36.9 | 33.5 | 28.6 | 26.7 | 22.9 |
| Average daytime temperature (°C) | 16.1 | 19.8 | 21.4 | 25.3 | 26.5 | 29.9 | 33.6 | 33.2 | 28.6 | 24.0 | 18.5 | 15.8 |
| Average temperature (°C) | 10.6 | 13.8 | 15.0 | 18.6 | 20.7 | 24.2 | 27.7 | 27.3 | 22.9 | 18.1 | 12.4 | 10.0 |
| Average night temperature (°C) | 6.4 | 9.3 | 9.7 | 12.6 | 15.3 | 19.1 | 23.0 | 22.6 | 18.0 | 13.1 | 7.8 | 5.6 |
| Absolute minimum temperature (°C) | -2.3 | -0.9 | -0.3 | 3.7 | 7.7 | 12.4 | 19.8 | 19.4 | 13.4 | 6.9 | -0.6 | -2.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 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) | 6.2 | 7.5 | 8.4 | 9.8 | 9.6 | 11.0 | 11.2 | 11.1 | 10.2 | 8.7 | 7.4 | 6.7 |
| Precipitation (mm) | 121 | 102 | 71 | 154 | 111 | 128 | 159 | 143 | 59 | 47 | 59 | 133 |
| Sunny days | 17 | 16 | 18 | 14 | 17 | 10 | 6 | 11 | 19 | 24 | 21 | 22 |
| Rainy days | 14 | 12 | 13 | 16 | 14 | 20 | 25 | 20 | 11 | 7 | 9 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sumter Junction is at