Average annual temperature is 14.2 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 242 days
Number of rainy days: 115 days
Number of snow days: 8 days
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) | 21.2 | 22.4 | 25.6 | 30.7 | 34.0 | 37.0 | 38.6 | 38.6 | 38.2 | 31.1 | 28.0 | 23.3 |
| Average daytime temperature (°C) | 8.8 | 12.4 | 15.5 | 22.0 | 25.5 | 27.7 | 33.5 | 33.4 | 30.1 | 22.0 | 15.9 | 11.0 |
| Average temperature (°C) | 2.0 | 3.5 | 7.3 | 13.3 | 18.6 | 21.3 | 26.3 | 26.4 | 23.3 | 14.8 | 8.4 | 4.4 |
| Average night temperature (°C) | -2.6 | -2.7 | 1.3 | 6.9 | 13.0 | 16.0 | 20.1 | 20.3 | 17.4 | 8.6 | 2.8 | -0.1 |
| Absolute minimum temperature (°C) | -16.6 | -14.2 | -5.8 | -2.6 | 5.3 | 12.0 | 15.3 | 15.3 | 10.8 | -5.8 | -5.7 | -5.1 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 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) | 7.5 | 8.8 | 9.5 | 10.5 | 9.9 | 11.2 | 12.1 | 11.9 | 10.5 | 9.6 | 8.1 | 7.0 |
| Precipitation (mm) | 13 | 14 | 7 | 46 | 112 | 94 | 126 | 17 | 31 | 11 | 6 | 34 |
| Sunny days | 24 | 22 | 23 | 24 | 12 | 10 | 16 | 20 | 20 | 25 | 25 | 21 |
| Rainy days | 5 | 4 | 7 | 6 | 19 | 20 | 15 | 11 | 10 | 6 | 5 | 7 |
| Snow days | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Rolla is at