Weather World
Delaware County, PA Official WebsiteDelaware County Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 39°F Lo 27°F | Hi 42°F Lo 29°F | Hi 51°F Lo 36°F | Hi 62°F Lo 45°F | Hi 72°F Lo 55°F | Hi 80°F Lo 64°F | Hi 86°F Lo 70°F | Hi 84°F Lo 69°F | Hi 77°F Lo 62°F | Hi 66°F Lo 52°F | Hi 54°F Lo 40°F | Hi 45°F Lo 34°F |
| 8 mph | 8 mph | 9 mph | 8 mph | 7 mph | 6 mph | 6 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 3.5 in | 3.7 in | 4.5 in | 4.6 in | 4.5 in | 5.1 in | 5.2 in | 5.7 in | 5.1 in | 4.7 in | 3.5 in | 5.1 in |
| 73% | 75% | 71% | 70% | 74% | 73% | 72% | 71% | 73% | 74% | 70% | 75% |
| 46% | 47% | 47% | 46% | 47% | 38% | 36% | 35% | 38% | 39% | 36% | 47% |
| 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 |
| 20 | 17 | 22 | 23 | 22 | 20 | 21 | 22 | 23 | 25 | 25 | 22 |
| 8 | 8 | 8 | 7 | 9 | 10 | 10 | 9 | 7 | 6 | 5 | 7 |
| 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 160 | 152 | 162 | 160 | 173 | 206 | 221 | 223 | 203 | 189 | 205 | 172 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -3°C | Hi 6°C Lo -2°C | Hi 10°C Lo 2°C | Hi 17°C Lo 7°C | Hi 22°C Lo 13°C | Hi 27°C Lo 18°C | Hi 30°C Lo 21°C | Hi 29°C Lo 20°C | Hi 25°C Lo 17°C | Hi 19°C Lo 11°C | Hi 12°C Lo 5°C | Hi 7°C Lo 1°C |
| 13 km/h | 13 km/h | 14 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 11 km/h | 12 km/h | 13 km/h |
| 89 mm | 95 mm | 113 mm | 116 mm | 114 mm | 129 mm | 133 mm | 145 mm | 130 mm | 120 mm | 90 mm | 131 mm |
| 73% | 75% | 71% | 70% | 74% | 73% | 72% | 71% | 73% | 74% | 70% | 75% |
| 46% | 47% | 47% | 46% | 47% | 38% | 36% | 35% | 38% | 39% | 36% | 47% |
| 1019 mb | 1018 mb | 1018 mb | 1016 mb | 1016 mb | 1014 mb | 1015 mb | 1015 mb | 1018 mb | 1017 mb | 1020 mb | 1019 mb |
| 20 | 17 | 22 | 23 | 22 | 20 | 21 | 22 | 23 | 25 | 25 | 22 |
| 8 | 8 | 8 | 7 | 9 | 10 | 10 | 9 | 7 | 6 | 5 | 7 |
| 3 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 4 | 3 | 2 | 2 |
| 160 | 152 | 162 | 160 | 173 | 206 | 221 | 223 | 203 | 189 | 205 | 172 |
| 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.