A C Rochester Engineering Center Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 30°F Lo 19°F | Hi 33°F Lo 20°F | Hi 43°F Lo 28°F | Hi 54°F Lo 37°F | Hi 66°F Lo 48°F | Hi 75°F Lo 57°F | Hi 80°F Lo 62°F | Hi 79°F Lo 61°F | Hi 73°F Lo 55°F | Hi 60°F Lo 45°F | Hi 47°F Lo 34°F | Hi 37°F Lo 27°F |
| 10 mph | 10 mph | 10 mph | 9 mph | 8 mph | 7 mph | 7 mph | 7 mph | 7 mph | 9 mph | 10 mph | 10 mph |
| 2.6 in | 3 in | 3.5 in | 4.7 in | 4.2 in | 4.5 in | 4.2 in | 3.8 in | 3.3 in | 4.4 in | 3 in | 3.6 in |
| 85% | 84% | 80% | 76% | 77% | 77% | 76% | 76% | 76% | 77% | 78% | 83% |
| 74% | 72% | 63% | 56% | 45% | 41% | 35% | 36% | 37% | 51% | 54% | 70% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 15 | 13 | 18 | 19 | 22 | 22 | 23 | 22 | 24 | 22 | 20 | 16 |
| 12 | 10 | 9 | 10 | 9 | 8 | 8 | 9 | 6 | 9 | 8 | 10 |
| 5 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 54 | 54 | 97 | 119 | 162 | 173 | 201 | 206 | 195 | 134 | 127 | 68 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -1°C Lo -7°C | Hi 0°C Lo -7°C | Hi 6°C Lo -3°C | Hi 12°C Lo 3°C | Hi 19°C Lo 9°C | Hi 24°C Lo 14°C | Hi 27°C Lo 17°C | Hi 26°C Lo 16°C | Hi 23°C Lo 13°C | Hi 16°C Lo 7°C | Hi 8°C Lo 1°C | Hi 3°C Lo -3°C |
| 16 km/h | 16 km/h | 16 km/h | 15 km/h | 12 km/h | 12 km/h | 11 km/h | 11 km/h | 11 km/h | 14 km/h | 15 km/h | 15 km/h |
| 66 mm | 76 mm | 89 mm | 119 mm | 107 mm | 114 mm | 107 mm | 96 mm | 84 mm | 111 mm | 77 mm | 91 mm |
| 85% | 84% | 80% | 76% | 77% | 77% | 76% | 76% | 76% | 77% | 78% | 83% |
| 74% | 72% | 63% | 56% | 45% | 41% | 35% | 36% | 37% | 51% | 54% | 70% |
| 1017 mb | 1018 mb | 1018 mb | 1015 mb | 1016 mb | 1013 mb | 1014 mb | 1015 mb | 1018 mb | 1017 mb | 1018 mb | 1018 mb |
| 15 | 13 | 18 | 19 | 22 | 22 | 23 | 22 | 24 | 22 | 20 | 16 |
| 12 | 10 | 9 | 10 | 9 | 8 | 8 | 9 | 6 | 9 | 8 | 10 |
| 5 | 6 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 1 |
| 1 | 1 | 2 | 3 | 4 | 5 | 5 | 5 | 3 | 2 | 1 | 1 |
| 54 | 54 | 97 | 119 | 162 | 173 | 201 | 206 | 195 | 134 | 127 | 68 |
| 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.
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