Weather World
Jefferson County Open School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 40°F Lo 20°F | Hi 41°F Lo 21°F | Hi 51°F Lo 29°F | Hi 58°F Lo 35°F | Hi 66°F Lo 44°F | Hi 80°F Lo 56°F | Hi 85°F Lo 61°F | Hi 84°F Lo 61°F | Hi 78°F Lo 54°F | Hi 63°F Lo 40°F | Hi 51°F Lo 29°F | Hi 42°F Lo 22°F |
| 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 6 mph | 5 mph | 6 mph | 5 mph | 5 mph |
| 0.9 in | 1.2 in | 2.2 in | 3 in | 4.6 in | 2.4 in | 2.1 in | 1.4 in | 1.6 in | 1.4 in | 1.2 in | 0.9 in |
| 63% | 63% | 54% | 50% | 52% | 42% | 43% | 41% | 40% | 45% | 50% | 57% |
| 24% | 25% | 28% | 30% | 33% | 22% | 23% | 21% | 18% | 18% | 20% | 22% |
| 30.1 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 22 | 19 | 22 | 20 | 20 | 22 | 22 | 25 | 26 | 26 | 23 | 23 |
| 5 | 5 | 5 | 7 | 10 | 8 | 9 | 6 | 4 | 4 | 3 | 4 |
| 4 | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| 270 | 241 | 257 | 239 | 223 | 261 | 274 | 298 | 295 | 291 | 289 | 284 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -7°C | Hi 5°C Lo -6°C | Hi 11°C Lo -2°C | Hi 14°C Lo 2°C | Hi 19°C Lo 6°C | Hi 27°C Lo 13°C | Hi 30°C Lo 16°C | Hi 29°C Lo 16°C | Hi 26°C Lo 12°C | Hi 17°C Lo 5°C | Hi 11°C Lo -1°C | Hi 5°C Lo -6°C |
| 9 km/h | 9 km/h | 10 km/h | 10 km/h | 9 km/h | 10 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h | 9 km/h |
| 22 mm | 31 mm | 56 mm | 76 mm | 117 mm | 60 mm | 54 mm | 35 mm | 41 mm | 35 mm | 30 mm | 22 mm |
| 63% | 63% | 54% | 50% | 52% | 42% | 43% | 41% | 40% | 45% | 50% | 57% |
| 24% | 25% | 28% | 30% | 33% | 22% | 23% | 21% | 18% | 18% | 20% | 22% |
| 1021 mb | 1018 mb | 1015 mb | 1012 mb | 1012 mb | 1012 mb | 1015 mb | 1015 mb | 1016 mb | 1016 mb | 1018 mb | 1019 mb |
| 22 | 19 | 22 | 20 | 20 | 22 | 22 | 25 | 26 | 26 | 23 | 23 |
| 5 | 5 | 5 | 7 | 10 | 8 | 9 | 6 | 4 | 4 | 3 | 4 |
| 4 | 4 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 4 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| 270 | 241 | 257 | 239 | 223 | 261 | 274 | 298 | 295 | 291 | 289 | 284 |
| 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.