Weather World
Chambersburg Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 33°F Lo 20°F | Hi 37°F Lo 22°F | Hi 48°F Lo 31°F | Hi 59°F Lo 40°F | Hi 70°F Lo 51°F | Hi 78°F Lo 59°F | Hi 82°F Lo 63°F | Hi 81°F Lo 62°F | Hi 75°F Lo 56°F | Hi 62°F Lo 45°F | Hi 49°F Lo 34°F | Hi 39°F Lo 28°F |
| 9 mph | 8 mph | 8 mph | 8 mph | 7 mph | 6 mph | 5 mph | 6 mph | 6 mph | 7 mph | 8 mph | 8 mph |
| 3.4 in | 3.4 in | 4.2 in | 5 in | 4.6 in | 5.3 in | 4.8 in | 4 in | 4.1 in | 4.2 in | 3.3 in | 4 in |
| 86% | 85% | 78% | 77% | 78% | 78% | 77% | 77% | 77% | 78% | 77% | 84% |
| 71% | 66% | 56% | 52% | 46% | 41% | 38% | 37% | 38% | 46% | 47% | 64% |
| 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 |
| 15 | 14 | 19 | 19 | 21 | 19 | 20 | 22 | 23 | 23 | 22 | 18 |
| 11 | 10 | 9 | 11 | 10 | 11 | 11 | 9 | 7 | 8 | 7 | 10 |
| 5 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 64 | 77 | 123 | 132 | 170 | 185 | 203 | 214 | 198 | 169 | 158 | 85 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 1°C Lo -7°C | Hi 3°C Lo -6°C | Hi 9°C Lo -1°C | Hi 15°C Lo 4°C | Hi 21°C Lo 11°C | Hi 25°C Lo 15°C | Hi 28°C Lo 17°C | Hi 27°C Lo 16°C | Hi 24°C Lo 13°C | Hi 17°C Lo 7°C | Hi 9°C Lo 1°C | Hi 4°C Lo -2°C |
| 14 km/h | 14 km/h | 13 km/h | 13 km/h | 11 km/h | 10 km/h | 9 km/h | 9 km/h | 10 km/h | 12 km/h | 13 km/h | 13 km/h |
| 86 mm | 87 mm | 106 mm | 128 mm | 118 mm | 134 mm | 122 mm | 101 mm | 103 mm | 107 mm | 84 mm | 101 mm |
| 86% | 85% | 78% | 77% | 78% | 78% | 77% | 77% | 77% | 78% | 77% | 84% |
| 71% | 66% | 56% | 52% | 46% | 41% | 38% | 37% | 38% | 46% | 47% | 64% |
| 1019 mb | 1019 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1017 mb | 1020 mb | 1019 mb |
| 15 | 14 | 19 | 19 | 21 | 19 | 20 | 22 | 23 | 23 | 22 | 18 |
| 11 | 10 | 9 | 11 | 10 | 11 | 11 | 9 | 7 | 8 | 7 | 10 |
| 5 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 |
| 1 | 2 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 64 | 77 | 123 | 132 | 170 | 185 | 203 | 214 | 198 | 169 | 158 | 85 |
| 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.