Dewey Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 16°F Lo 1°F | Hi 20°F Lo 4°F | Hi 34°F Lo 19°F | Hi 46°F Lo 30°F | Hi 62°F Lo 42°F | Hi 72°F Lo 53°F | Hi 78°F Lo 58°F | Hi 75°F Lo 56°F | Hi 68°F Lo 50°F | Hi 51°F Lo 38°F | Hi 35°F Lo 24°F | Hi 22°F Lo 10°F |
| 8 mph | 8 mph | 8 mph | 8 mph | 8 mph | 8 mph | 7 mph | 7 mph | 8 mph | 8 mph | 8 mph | 8 mph |
| 0.9 in | 1 in | 2 in | 3.8 in | 3.7 in | 5 in | 5.3 in | 3.9 in | 4.1 in | 2.8 in | 1.6 in | 1.8 in |
| 92% | 91% | 84% | 77% | 71% | 74% | 73% | 74% | 75% | 77% | 82% | 89% |
| 80% | 78% | 71% | 63% | 48% | 46% | 39% | 40% | 44% | 55% | 64% | 77% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 29.9 in | 30.0 in | 30.1 in |
| 19 | 18 | 20 | 17 | 24 | 21 | 24 | 24 | 24 | 23 | 20 | 18 |
| 7 | 6 | 5 | 8 | 7 | 9 | 7 | 7 | 6 | 7 | 7 | 8 |
| 5 | 4 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 1 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 4 | 3 | 1 | 1 | 1 |
| 45 | 49 | 69 | 99 | 151 | 158 | 192 | 209 | 180 | 133 | 98 | 58 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -9°C Lo -17°C | Hi -7°C Lo -16°C | Hi 1°C Lo -8°C | Hi 8°C Lo -1°C | Hi 17°C Lo 6°C | Hi 22°C Lo 11°C | Hi 25°C Lo 15°C | Hi 24°C Lo 14°C | Hi 20°C Lo 10°C | Hi 11°C Lo 3°C | Hi 2°C Lo -5°C | Hi -6°C Lo -13°C |
| 12 km/h | 13 km/h | 13 km/h | 14 km/h | 13 km/h | 12 km/h | 11 km/h | 11 km/h | 12 km/h | 13 km/h | 13 km/h | 12 km/h |
| 22 mm | 26 mm | 50 mm | 97 mm | 94 mm | 127 mm | 135 mm | 99 mm | 105 mm | 71 mm | 40 mm | 46 mm |
| 92% | 91% | 84% | 77% | 71% | 74% | 73% | 74% | 75% | 77% | 82% | 89% |
| 80% | 78% | 71% | 63% | 48% | 46% | 39% | 40% | 44% | 55% | 64% | 77% |
| 1020 mb | 1020 mb | 1018 mb | 1015 mb | 1014 mb | 1012 mb | 1013 mb | 1014 mb | 1015 mb | 1014 mb | 1017 mb | 1018 mb |
| 19 | 18 | 20 | 17 | 24 | 21 | 24 | 24 | 24 | 23 | 20 | 18 |
| 7 | 6 | 5 | 8 | 7 | 9 | 7 | 7 | 6 | 7 | 7 | 8 |
| 5 | 4 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 5 |
| 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 1 |
| 1 | 1 | 1 | 2 | 4 | 5 | 5 | 4 | 3 | 1 | 1 | 1 |
| 45 | 49 | 69 | 99 | 151 | 158 | 192 | 209 | 180 | 133 | 98 | 58 |
| 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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