Weather World
Jefferson Lake Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 8°F | Hi 29°F Lo 9°F | Hi 36°F Lo 14°F | Hi 42°F Lo 20°F | Hi 52°F Lo 28°F | Hi 67°F Lo 39°F | Hi 71°F Lo 45°F | Hi 70°F Lo 44°F | Hi 64°F Lo 38°F | Hi 50°F Lo 27°F | Hi 38°F Lo 16°F | Hi 29°F Lo 9°F |
| 7 mph | 8 mph | 7 mph | 7 mph | 6 mph | 6 mph | 5 mph | 5 mph | 5 mph | 6 mph | 7 mph | 7 mph |
| 1.4 in | 1.7 in | 2.5 in | 3.4 in | 4.1 in | 2.9 in | 2.6 in | 2.3 in | 2.5 in | 2.2 in | 1.8 in | 1.8 in |
| 79% | 79% | 76% | 72% | 66% | 52% | 56% | 55% | 53% | 58% | 64% | 74% |
| 37% | 40% | 37% | 39% | 37% | 24% | 29% | 26% | 23% | 24% | 26% | 34% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.1 in | 30.1 in | 30.1 in | 30.1 in | 30.1 in |
| 16 | 10 | 13 | 10 | 14 | 22 | 19 | 23 | 23 | 20 | 17 | 16 |
| 10 | 11 | 10 | 11 | 11 | 8 | 11 | 8 | 6 | 6 | 7 | 10 |
| 6 | 7 | 9 | 9 | 5 | 1 | 0 | 0 | 1 | 4 | 6 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 1 | 1 | 2 | 2 | 3 | 4 | 3 | 2 | 2 | 2 | 1 |
| 221 | 191 | 224 | 205 | 208 | 264 | 253 | 258 | 264 | 271 | 263 | 234 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -14°C | Hi -2°C Lo -13°C | Hi 2°C Lo -10°C | Hi 6°C Lo -7°C | Hi 11°C Lo -2°C | Hi 20°C Lo 4°C | Hi 22°C Lo 7°C | Hi 21°C Lo 7°C | Hi 18°C Lo 4°C | Hi 10°C Lo -3°C | Hi 3°C Lo -9°C | Hi -2°C Lo -13°C |
| 12 km/h | 12 km/h | 11 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | 8 km/h | 8 km/h | 10 km/h | 11 km/h | 11 km/h |
| 36 mm | 44 mm | 63 mm | 86 mm | 103 mm | 73 mm | 66 mm | 57 mm | 63 mm | 55 mm | 44 mm | 45 mm |
| 79% | 79% | 76% | 72% | 66% | 52% | 56% | 55% | 53% | 58% | 64% | 74% |
| 37% | 40% | 37% | 39% | 37% | 24% | 29% | 26% | 23% | 24% | 26% | 34% |
| 1022 mb | 1019 mb | 1016 mb | 1014 mb | 1014 mb | 1015 mb | 1018 mb | 1018 mb | 1018 mb | 1018 mb | 1019 mb | 1020 mb |
| 16 | 10 | 13 | 10 | 14 | 22 | 19 | 23 | 23 | 20 | 17 | 16 |
| 10 | 11 | 10 | 11 | 11 | 8 | 11 | 8 | 6 | 6 | 7 | 10 |
| 6 | 7 | 9 | 9 | 5 | 1 | 0 | 0 | 1 | 4 | 6 | 5 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 1 | 1 | 2 | 2 | 3 | 4 | 3 | 2 | 2 | 2 | 1 |
| 221 | 191 | 224 | 205 | 208 | 264 | 253 | 258 | 264 | 271 | 263 | 234 |
| 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.