WeatherWX.com
Hartford Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 25°F Lo 9°F | Hi 28°F Lo 11°F | Hi 44°F Lo 27°F | Hi 55°F Lo 37°F | Hi 67°F Lo 49°F | Hi 78°F Lo 60°F | Hi 83°F Lo 64°F | Hi 82°F Lo 61°F | Hi 75°F Lo 55°F | Hi 58°F Lo 41°F | Hi 44°F Lo 29°F | Hi 29°F Lo 15°F |
| 11 mph | 11 mph | 11 mph | 12 mph | 10 mph | 9 mph | 8 mph | 9 mph | 10 mph | 11 mph | 11 mph | 10 mph |
| 0.3 in | 0.4 in | 0.7 in | 1.3 in | 1.9 in | 2.3 in | 1.5 in | 1.7 in | 1.3 in | 1 in | 0.5 in | 0.5 in |
| 88% | 83% | 77% | 68% | 70% | 75% | 73% | 70% | 66% | 63% | 69% | 83% |
| 56% | 53% | 50% | 46% | 45% | 36% | 29% | 31% | 29% | 33% | 36% | 52% |
| 30.2 in | 30.2 in | 30.1 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 |
| 23 | 21 | 24 | 22 | 23 | 22 | 24 | 25 | 25 | 26 | 25 | 23 |
| 5 | 5 | 5 | 6 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 5 |
| 2 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 6 | 5 | 5 | 4 | 2 | 2 | 1 |
| 42 | 44 | 53 | 55 | 57 | 69 | 84 | 82 | 80 | 79 | 70 | 51 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -4°C Lo -13°C | Hi -3°C Lo -12°C | Hi 7°C Lo -3°C | Hi 13°C Lo 3°C | Hi 20°C Lo 10°C | Hi 26°C Lo 16°C | Hi 28°C Lo 18°C | Hi 28°C Lo 16°C | Hi 24°C Lo 13°C | Hi 15°C Lo 5°C | Hi 7°C Lo -2°C | Hi -2°C Lo -9°C |
| 17 km/h | 17 km/h | 18 km/h | 19 km/h | 16 km/h | 15 km/h | 13 km/h | 14 km/h | 16 km/h | 17 km/h | 17 km/h | 17 km/h |
| 8 mm | 10 mm | 17 mm | 32 mm | 49 mm | 58 mm | 39 mm | 42 mm | 32 mm | 27 mm | 12 mm | 13 mm |
| 88% | 83% | 77% | 68% | 70% | 75% | 73% | 70% | 66% | 63% | 69% | 83% |
| 56% | 53% | 50% | 46% | 45% | 36% | 29% | 31% | 29% | 33% | 36% | 52% |
| 1021 mb | 1022 mb | 1018 mb | 1014 mb | 1013 mb | 1011 mb | 1013 mb | 1013 mb | 1015 mb | 1015 mb | 1018 mb | 1020 mb |
| 23 | 21 | 24 | 22 | 23 | 22 | 24 | 25 | 25 | 26 | 25 | 23 |
| 5 | 5 | 5 | 6 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 5 |
| 2 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 2 | 3 | 4 | 6 | 5 | 5 | 4 | 2 | 2 | 1 |
| 42 | 44 | 53 | 55 | 57 | 69 | 84 | 82 | 80 | 79 | 70 | 51 |
| 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.