Average annual temperature is 13.9 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 180 days
Number of rainy days: 182 days
Number of snow days: 3 days
Look at detailed online map of New Haven
* Weather data for New Haven United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 17.8 | 24.0 | 24.1 | 29.3 | 29.9 | 33.3 | 34.4 | 32.6 | 34.3 | 28.6 | 23.7 | 18.9 |
| Average daytime temperature (°C) | 9.7 | 13.6 | 13.4 | 20.2 | 23.7 | 27.6 | 30.2 | 28.8 | 26.4 | 20.4 | 13.8 | 10.8 |
| Average temperature (°C) | 4.8 | 6.7 | 6.9 | 13.2 | 17.0 | 21.3 | 24.4 | 23.2 | 20.4 | 14.8 | 7.7 | 5.8 |
| Average night temperature (°C) | 1.5 | 1.8 | 2.2 | 7.4 | 11.4 | 15.8 | 19.9 | 18.5 | 15.6 | 10.6 | 3.4 | 2.3 |
| Absolute minimum temperature (°C) | -5.9 | -7.9 | -7.2 | 1.6 | 3.9 | 10.7 | 16.5 | 13.7 | 11.0 | 3.9 | -5.8 | -4.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.4 | 7.3 | 7.6 | 9.2 | 10.2 | 11.2 | 11.7 | 10.7 | 9.4 | 7.7 | 7.3 | 5.1 |
| Precipitation (mm) | 116 | 78 | 87 | 57 | 65 | 70 | 98 | 74 | 43 | 76 | 44 | 83 |
| Sunny days | 8 | 15 | 16 | 17 | 18 | 15 | 8 | 12 | 16 | 17 | 22 | 16 |
| Rainy days | 21 | 12 | 15 | 13 | 13 | 15 | 23 | 19 | 14 | 14 | 8 | 15 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit New Haven during the most sunny months:
The largest precipitation sum in New Haven is at