Average annual temperature is 18.4 °C
Absolute maximum temperature: 41.1 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 205 days
Number of rainy days: 160 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) | 23.1 | 25.8 | 26.5 | 28.3 | 31.4 | 37.8 | 38.7 | 41.1 | 38.2 | 33.0 | 27.1 | 19.5 |
| Average daytime temperature (°C) | 14.7 | 16.4 | 19.1 | 22.4 | 27.6 | 33.0 | 34.4 | 36.2 | 31.9 | 24.7 | 17.5 | 14.4 |
| Average temperature (°C) | 9.5 | 10.3 | 13.1 | 16.1 | 21.6 | 26.3 | 28.1 | 29.5 | 25.4 | 18.9 | 11.9 | 9.0 |
| Average night temperature (°C) | 6.0 | 6.3 | 8.5 | 11.1 | 16.4 | 20.8 | 23.4 | 24.2 | 20.1 | 14.6 | 7.6 | 5.1 |
| Absolute minimum temperature (°C) | -3.1 | -3.4 | -3.3 | 4.7 | 8.2 | 17.5 | 19.0 | 18.5 | 16.4 | 0.5 | -0.9 | -0.9 |
| 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 | 6.1 | 7.8 | 8.3 | 10.9 | 12.0 | 11.1 | 11.7 | 10.3 | 7.9 | 7.4 | 7.3 |
| Precipitation (mm) | 146 | 104 | 285 | 141 | 130 | 74 | 105 | 41 | 54 | 128 | 87 | 104 |
| Sunny days | 16 | 12 | 15 | 16 | 15 | 12 | 14 | 22 | 18 | 19 | 23 | 23 |
| Rainy days | 15 | 16 | 16 | 14 | 16 | 18 | 17 | 9 | 12 | 12 | 7 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rolla during the most sunny months:
The largest precipitation sum in Rolla is at