WeatherWX.com
New Haven Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 28°F Lo 19°F | Hi 30°F Lo 19°F | Hi 40°F Lo 28°F | Hi 52°F Lo 37°F | Hi 65°F Lo 48°F | Hi 73°F Lo 57°F | Hi 79°F Lo 62°F | Hi 78°F Lo 62°F | Hi 72°F Lo 55°F | Hi 59°F Lo 46°F | Hi 45°F Lo 35°F | Hi 35°F Lo 27°F |
| 11 mph | 11 mph | 10 mph | 10 mph | 8 mph | 8 mph | 7 mph | 7 mph | 8 mph | 10 mph | 11 mph | 11 mph |
| 2.6 in | 2.7 in | 3.1 in | 5 in | 5 in | 5.4 in | 5.2 in | 4.3 in | 3.3 in | 3.8 in | 2.7 in | 2.4 in |
| 85% | 85% | 78% | 76% | 77% | 77% | 77% | 77% | 76% | 75% | 76% | 81% |
| 66% | 65% | 54% | 50% | 40% | 32% | 27% | 27% | 31% | 44% | 47% | 62% |
| 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 |
| 7 | 7 | 13 | 16 | 23 | 23 | 23 | 25 | 25 | 24 | 17 | 10 |
| 6 | 5 | 8 | 9 | 7 | 7 | 8 | 6 | 5 | 6 | 7 | 7 |
| 19 | 16 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 14 |
| 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 | 2 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 82 | 79 | 126 | 137 | 192 | 216 | 257 | 255 | 226 | 170 | 155 | 88 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi -2°C Lo -7°C | Hi -1°C Lo -7°C | Hi 5°C Lo -2°C | Hi 11°C Lo 3°C | Hi 18°C Lo 9°C | Hi 23°C Lo 14°C | Hi 26°C Lo 17°C | Hi 26°C Lo 17°C | Hi 22°C Lo 13°C | Hi 15°C Lo 8°C | Hi 7°C Lo 2°C | Hi 1°C Lo -3°C |
| 17 km/h | 17 km/h | 17 km/h | 16 km/h | 14 km/h | 13 km/h | 11 km/h | 11 km/h | 13 km/h | 16 km/h | 17 km/h | 17 km/h |
| 65 mm | 69 mm | 78 mm | 128 mm | 127 mm | 138 mm | 132 mm | 110 mm | 85 mm | 96 mm | 68 mm | 61 mm |
| 85% | 85% | 78% | 76% | 77% | 77% | 77% | 77% | 76% | 75% | 76% | 81% |
| 66% | 65% | 54% | 50% | 40% | 32% | 27% | 27% | 31% | 44% | 47% | 62% |
| 1018 mb | 1018 mb | 1019 mb | 1015 mb | 1016 mb | 1014 mb | 1014 mb | 1015 mb | 1017 mb | 1016 mb | 1019 mb | 1018 mb |
| 7 | 7 | 13 | 16 | 23 | 23 | 23 | 25 | 25 | 24 | 17 | 10 |
| 6 | 5 | 8 | 9 | 7 | 7 | 8 | 6 | 5 | 6 | 7 | 7 |
| 19 | 16 | 10 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 14 |
| 2 | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 0 | 2 |
| 1 | 1 | 2 | 3 | 5 | 5 | 5 | 5 | 4 | 2 | 2 | 1 |
| 82 | 79 | 126 | 137 | 192 | 216 | 257 | 255 | 226 | 170 | 155 | 88 |
| 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.