WeatherWorld.comHarriett Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 23°F | Hi 41°F Lo 26°F | Hi 52°F Lo 35°F | Hi 62°F Lo 44°F | Hi 72°F Lo 55°F | Hi 80°F Lo 62°F | Hi 83°F Lo 66°F | Hi 83°F Lo 64°F | Hi 77°F Lo 58°F | Hi 65°F Lo 47°F | Hi 52°F Lo 36°F | Hi 43°F Lo 31°F |
| 9 mph | 10 mph | 9 mph | 9 mph | 7 mph | 7 mph | 6 mph | 6 mph | 6 mph | 8 mph | 8 mph | 9 mph |
| 3.3 in | 4 in | 4.6 in | 5.7 in | 5.4 in | 5 in | 5.1 in | 3.1 in | 3.3 in | 3.8 in | 3.6 in | 4.4 in |
| 81% | 81% | 76% | 76% | 80% | 79% | 80% | 77% | 76% | 74% | 74% | 80% |
| 60% | 57% | 51% | 47% | 44% | 35% | 36% | 32% | 33% | 38% | 39% | 57% |
| 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 | 30.2 in | 30.1 in |
| 18 | 16 | 21 | 21 | 21 | 20 | 21 | 22 | 23 | 24 | 23 | 20 |
| 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 7 | 7 | 6 | 8 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| 103 | 110 | 145 | 150 | 174 | 209 | 217 | 233 | 221 | 201 | 199 | 121 |
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 11°C Lo 2°C | Hi 17°C Lo 7°C | Hi 22°C Lo 13°C | Hi 26°C Lo 17°C | Hi 28°C Lo 19°C | Hi 28°C Lo 18°C | Hi 25°C Lo 15°C | Hi 18°C Lo 9°C | Hi 11°C Lo 2°C | Hi 6°C Lo -1°C |
| 15 km/h | 15 km/h | 15 km/h | 15 km/h | 12 km/h | 11 km/h | 9 km/h | 9 km/h | 10 km/h | 13 km/h | 13 km/h | 14 km/h |
| 84 mm | 102 mm | 117 mm | 144 mm | 136 mm | 126 mm | 129 mm | 79 mm | 83 mm | 96 mm | 90 mm | 112 mm |
| 81% | 81% | 76% | 76% | 80% | 79% | 80% | 77% | 76% | 74% | 74% | 80% |
| 60% | 57% | 51% | 47% | 44% | 35% | 36% | 32% | 33% | 38% | 39% | 57% |
| 1020 mb | 1020 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1015 mb | 1016 mb | 1017 mb | 1017 mb | 1021 mb | 1020 mb |
| 18 | 16 | 21 | 21 | 21 | 20 | 21 | 22 | 23 | 24 | 23 | 20 |
| 9 | 8 | 9 | 9 | 10 | 10 | 10 | 9 | 7 | 7 | 6 | 8 |
| 4 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 |
| 1 | 2 | 2 | 4 | 5 | 5 | 5 | 5 | 4 | 3 | 2 | 1 |
| 103 | 110 | 145 | 150 | 174 | 209 | 217 | 233 | 221 | 201 | 199 | 121 |
| 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.