Harper Muni Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 45°F Lo 27°F | Hi 49°F Lo 30°F | Hi 61°F Lo 40°F | Hi 69°F Lo 48°F | Hi 77°F Lo 58°F | Hi 90°F Lo 70°F | Hi 94°F Lo 74°F | Hi 92°F Lo 72°F | Hi 85°F Lo 65°F | Hi 71°F Lo 52°F | Hi 58°F Lo 39°F | Hi 48°F Lo 31°F |
| 10 mph | 11 mph | 12 mph | 12 mph | 11 mph | 11 mph | 9 mph | 9 mph | 10 mph | 11 mph | 11 mph | 10 mph |
| 1.1 in | 1.3 in | 2.2 in | 3.8 in | 7.4 in | 5.9 in | 3.7 in | 4.1 in | 2.8 in | 3.4 in | 3.3 in | 1.4 in |
| 66% | 65% | 65% | 66% | 70% | 62% | 56% | 56% | 59% | 59% | 66% | 66% |
| 32% | 35% | 36% | 36% | 38% | 26% | 24% | 23% | 24% | 25% | 28% | 30% |
| 30.2 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 27 | 23 | 27 | 24 | 22 | 23 | 25 | 25 | 25 | 27 | 26 | 27 |
| 3 | 3 | 4 | 6 | 9 | 7 | 6 | 6 | 5 | 4 | 3 | 3 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| 2 | 3 | 4 | 4 | 5 | 7 | 7 | 7 | 5 | 3 | 2 | 2 |
| 230 | 198 | 215 | 204 | 191 | 248 | 262 | 283 | 261 | 258 | 254 | 249 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 7°C Lo -3°C | Hi 9°C Lo -1°C | Hi 16°C Lo 5°C | Hi 21°C Lo 9°C | Hi 25°C Lo 14°C | Hi 32°C Lo 21°C | Hi 35°C Lo 23°C | Hi 34°C Lo 22°C | Hi 30°C Lo 18°C | Hi 22°C Lo 11°C | Hi 14°C Lo 4°C | Hi 9°C Lo -1°C |
| 16 km/h | 17 km/h | 19 km/h | 20 km/h | 17 km/h | 17 km/h | 15 km/h | 15 km/h | 15 km/h | 17 km/h | 17 km/h | 16 km/h |
| 29 mm | 32 mm | 56 mm | 97 mm | 188 mm | 149 mm | 95 mm | 104 mm | 72 mm | 85 mm | 82 mm | 35 mm |
| 66% | 65% | 65% | 66% | 70% | 62% | 56% | 56% | 59% | 59% | 66% | 66% |
| 32% | 35% | 36% | 36% | 38% | 26% | 24% | 23% | 24% | 25% | 28% | 30% |
| 1021 mb | 1020 mb | 1016 mb | 1013 mb | 1012 mb | 1011 mb | 1013 mb | 1013 mb | 1015 mb | 1016 mb | 1019 mb | 1020 mb |
| 27 | 23 | 27 | 24 | 22 | 23 | 25 | 25 | 25 | 27 | 26 | 27 |
| 3 | 3 | 4 | 6 | 9 | 7 | 6 | 6 | 5 | 4 | 3 | 3 |
| 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| 2 | 3 | 4 | 4 | 5 | 7 | 7 | 7 | 5 | 3 | 2 | 2 |
| 230 | 198 | 215 | 204 | 191 | 248 | 262 | 283 | 261 | 258 | 254 | 249 |
| 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.
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