Average annual temperature is 17.4 °C
Absolute maximum temperature: 42.0 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 260 days
Number of rainy days: 104 days
Number of snow days: 1 day
Look at detailed online map of Rolla
* Weather data for Rolla 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) | 25.0 | 26.3 | 28.8 | 33.1 | 33.3 | 39.6 | 39.6 | 42.0 | 40.8 | 31.5 | 31.3 | 23.6 |
| Average daytime temperature (°C) | 13.5 | 15.5 | 18.5 | 23.9 | 26.8 | 31.4 | 35.5 | 37.4 | 32.7 | 24.5 | 18.2 | 14.1 |
| Average temperature (°C) | 6.5 | 7.1 | 10.8 | 15.9 | 20.5 | 24.8 | 28.8 | 30.7 | 26.4 | 18.1 | 11.3 | 7.7 |
| Average night temperature (°C) | 1.2 | 1.4 | 4.8 | 9.5 | 15.2 | 19.3 | 22.8 | 24.1 | 20.5 | 12.5 | 6.2 | 3.1 |
| Absolute minimum temperature (°C) | -10.4 | -6.9 | -4.8 | 1.2 | 7.9 | 14.4 | 19.1 | 18.5 | 15.7 | -1.2 | -2.2 | -3.5 |
| 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 | 14.2 | 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) | 7.9 | 7.6 | 10.3 | 10.4 | 10.5 | 12.0 | 12.2 | 12.3 | 10.5 | 9.3 | 8.2 | 7.5 |
| Precipitation (mm) | 18 | 21 | 13 | 29 | 108 | 84 | 13 | 15 | 45 | 34 | 10 | 56 |
| Sunny days | 25 | 19 | 23 | 23 | 16 | 15 | 22 | 26 | 23 | 20 | 23 | 25 |
| Rainy days | 5 | 9 | 8 | 7 | 15 | 15 | 9 | 5 | 7 | 11 | 7 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rolla is at