WeatherWX.com
Rolla Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 15°F Lo 0°F | Hi 15°F Lo -1°F | Hi 31°F Lo 15°F | Hi 45°F Lo 29°F | Hi 61°F Lo 44°F | Hi 71°F Lo 54°F | Hi 77°F Lo 58°F | Hi 77°F Lo 57°F | Hi 68°F Lo 50°F | Hi 50°F Lo 36°F | Hi 32°F Lo 20°F | Hi 17°F Lo 5°F |
| 10 mph | 10 mph | 10 mph | 11 mph | 10 mph | 9 mph | 9 mph | 8 mph | 10 mph | 11 mph | 10 mph | 10 mph |
| 0.6 in | 0.5 in | 1.1 in | 1.9 in | 3.6 in | 4.8 in | 3.1 in | 2.9 in | 2.7 in | 1.8 in | 0.8 in | 1 in |
| 93% | 93% | 87% | 71% | 64% | 72% | 68% | 59% | 59% | 67% | 81% | 90% |
| 69% | 69% | 66% | 55% | 42% | 39% | 30% | 27% | 30% | 41% | 52% | 65% |
| 30.1 in | 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in |
| 23 | 20 | 21 | 21 | 23 | 20 | 24 | 25 | 25 | 25 | 21 | 21 |
| 6 | 6 | 6 | 7 | 8 | 10 | 7 | 6 | 5 | 5 | 7 | 7 |
| 2 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 76 | 66 | 81 | 120 | 184 | 196 | 251 | 262 | 235 | 189 | 144 | 93 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -10°C Lo -18°C | Hi -10°C Lo -18°C | Hi -1°C Lo -9°C | Hi 7°C Lo -2°C | Hi 16°C Lo 6°C | Hi 22°C Lo 12°C | Hi 25°C Lo 15°C | Hi 25°C Lo 14°C | Hi 20°C Lo 10°C | Hi 10°C Lo 2°C | Hi 0°C Lo -7°C | Hi -8°C Lo -15°C |
| 16 km/h | 16 km/h | 16 km/h | 17 km/h | 16 km/h | 15 km/h | 14 km/h | 14 km/h | 16 km/h | 17 km/h | 17 km/h | 16 km/h |
| 15 mm | 14 mm | 27 mm | 49 mm | 92 mm | 122 mm | 78 mm | 72 mm | 69 mm | 47 mm | 20 mm | 25 mm |
| 93% | 93% | 87% | 71% | 64% | 72% | 68% | 59% | 59% | 67% | 81% | 90% |
| 69% | 69% | 66% | 55% | 42% | 39% | 30% | 27% | 30% | 41% | 52% | 65% |
| 1021 mb | 1022 mb | 1019 mb | 1016 mb | 1014 mb | 1011 mb | 1012 mb | 1012 mb | 1014 mb | 1014 mb | 1017 mb | 1020 mb |
| 23 | 20 | 21 | 21 | 23 | 20 | 24 | 25 | 25 | 25 | 21 | 21 |
| 6 | 6 | 6 | 7 | 8 | 10 | 7 | 6 | 5 | 5 | 7 | 7 |
| 2 | 2 | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 3 |
| 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 5 | 4 | 2 | 1 | 1 |
| 76 | 66 | 81 | 120 | 184 | 196 | 251 | 262 | 235 | 189 | 144 | 93 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.