Weather in New Haven, Connecticut, United States
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | -1°C | 3°C | 113.3 mm | 56% | 44.5 km/h |
| February | -2°C | 4°C | 99.5 mm | 57% | 42.7 km/h |
| March | 2°C | 8°C | 142.0 mm | 55% | 43.7 km/h |
| April | 7°C | 12°C | 117.0 mm | 59% | 40.2 km/h |
| May | 12°C | 17°C | 119.5 mm | 59% | 33.2 km/h |
| June | 17°C | 23°C | 65.8 mm | 59% | 31.4 km/h |
| July | 21°C | 26°C | 116.7 mm | 56% | 30.0 km/h |
| August | 20°C | 26°C | 89.6 mm | 53% | 31.1 km/h |
| September | 17°C | 22°C | 141.9 mm | 54% | 33.6 km/h |
| October | 12°C | 18°C | 143.2 mm | 46% | 37.6 km/h |
| November | 6°C | 11°C | 75.7 mm | 42% | 44.4 km/h |
| December | 1°C | 6°C | 157.6 mm | 56% | 42.8 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 0.0% | |
| February | 0.0% | |
| March | 0.0% | |
| April | 1.4% | |
| May | 17.5% | |
| June | 37.9% | |
| July | 37.8% | |
| August | 47.4% | |
| September | 39.7% | |
| October | 20.8% | |
| November | 3.8% | |
| December | 0.0% |
About this location and data
- Urban-centre population
- 146,173
- Elevation
- 54 m
- Coordinates
- 41.32°N, 72.92°W
- Urban area
- 48 km²
Weather averages use 2 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated