Average annual temperature is 17.8 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 219 days
Number of rainy days: 146 days
Look at detailed online map of Mellette
* Weather data for Mellette 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) | 21.0 | 23.6 | 25.8 | 29.1 | 32.1 | 38.4 | 39.2 | 40.5 | 36.7 | 31.3 | 27.9 | 21.8 |
| Average daytime temperature (°C) | 12.6 | 14.5 | 17.6 | 21.8 | 27.2 | 32.4 | 34.7 | 35.4 | 31.0 | 23.3 | 17.8 | 13.6 |
| Average temperature (°C) | 7.4 | 8.1 | 11.7 | 15.9 | 21.5 | 26.5 | 28.9 | 29.4 | 25.3 | 18.1 | 12.0 | 8.4 |
| Average night temperature (°C) | 3.3 | 3.8 | 7.7 | 11.1 | 16.8 | 21.3 | 24.2 | 24.8 | 20.7 | 14.2 | 7.7 | 4.6 |
| Absolute minimum temperature (°C) | -6.0 | -5.4 | -3.0 | 6.8 | 6.8 | 17.1 | 19.8 | 18.9 | 16.9 | -1.1 | -1.6 | -2.5 |
| 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 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.5 | 6.1 | 7.4 | 9.5 | 10.4 | 11.9 | 11.7 | 12.0 | 10.5 | 8.1 | 7.9 | 7.0 |
| Precipitation (mm) | 73 | 100 | 202 | 93 | 64 | 49 | 72 | 107 | 105 | 132 | 38 | 58 |
| Sunny days | 17 | 15 | 17 | 17 | 17 | 14 | 19 | 24 | 17 | 19 | 22 | 21 |
| Rainy days | 14 | 13 | 14 | 13 | 14 | 16 | 12 | 7 | 13 | 12 | 8 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Mellette during the most sunny months:
The largest precipitation sum in Mellette is at