Weather World
Sullivan High School Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 24°F | Hi 42°F Lo 27°F | Hi 54°F Lo 38°F | Hi 64°F Lo 46°F | Hi 73°F Lo 57°F | Hi 82°F Lo 65°F | Hi 85°F Lo 68°F | Hi 84°F Lo 66°F | Hi 79°F Lo 60°F | Hi 67°F Lo 49°F | Hi 53°F Lo 38°F | Hi 43°F Lo 30°F |
| 10 mph | 10 mph | 10 mph | 10 mph | 8 mph | 7 mph | 6 mph | 6 mph | 7 mph | 9 mph | 9 mph | 9 mph |
| 3.7 in | 4 in | 5.7 in | 7.7 in | 5.7 in | 5.9 in | 5.2 in | 3.8 in | 3.8 in | 4 in | 4.1 in | 4.7 in |
| 78% | 78% | 75% | 76% | 80% | 78% | 81% | 78% | 73% | 69% | 72% | 78% |
| 55% | 54% | 50% | 47% | 44% | 33% | 33% | 31% | 30% | 35% | 40% | 54% |
| 30.1 in | 30.1 in | 30.1 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 21 | 18 | 22 | 21 | 21 | 22 | 22 | 25 | 25 | 25 | 24 | 22 |
| 7 | 7 | 8 | 8 | 10 | 8 | 9 | 6 | 5 | 6 | 5 | 7 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 136 | 130 | 153 | 158 | 159 | 211 | 214 | 235 | 236 | 208 | 194 | 143 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -5°C | Hi 5°C Lo -3°C | Hi 12°C Lo 3°C | Hi 18°C Lo 8°C | Hi 23°C Lo 14°C | Hi 28°C Lo 18°C | Hi 29°C Lo 20°C | Hi 29°C Lo 19°C | Hi 26°C Lo 16°C | Hi 19°C Lo 10°C | Hi 11°C Lo 3°C | Hi 6°C Lo -1°C |
| 16 km/h | 16 km/h | 16 km/h | 16 km/h | 13 km/h | 12 km/h | 10 km/h | 10 km/h | 11 km/h | 14 km/h | 15 km/h | 15 km/h |
| 94 mm | 101 mm | 145 mm | 195 mm | 146 mm | 149 mm | 133 mm | 96 mm | 97 mm | 103 mm | 103 mm | 118 mm |
| 78% | 78% | 75% | 76% | 80% | 78% | 81% | 78% | 73% | 69% | 72% | 78% |
| 55% | 54% | 50% | 47% | 44% | 33% | 33% | 31% | 30% | 35% | 40% | 54% |
| 1021 mb | 1020 mb | 1018 mb | 1015 mb | 1015 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1017 mb | 1020 mb | 1020 mb |
| 21 | 18 | 22 | 21 | 21 | 22 | 22 | 25 | 25 | 25 | 24 | 22 |
| 7 | 7 | 8 | 8 | 10 | 8 | 9 | 6 | 5 | 6 | 5 | 7 |
| 3 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 1 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 5 | 5 | 3 | 2 | 2 |
| 136 | 130 | 153 | 158 | 159 | 211 | 214 | 235 | 236 | 208 | 194 | 143 |
| 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.