Average annual temperature is 7.6 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 106 days
Number of rainy days: 206 days
Number of snow days: 53 days
Look at detailed online map of New Haven
* Weather data for New Haven Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 9.9 | 6.9 | 3.5 | 13.8 | 25.2 | 26.9 | 28.1 | 25.0 | 27.9 | 22.8 | 14.7 | 13.3 |
| Average daytime temperature (°C) | 2.8 | -1.5 | 0.4 | 5.8 | 11.2 | 15.9 | 23.2 | 21.1 | 20.0 | 15.1 | 6.3 | 4.3 |
| Average temperature (°C) | 0.2 | -4.9 | -1.3 | 2.7 | 7.5 | 13.1 | 20.2 | 18.2 | 16.9 | 11.9 | 3.8 | 1.9 |
| Average night temperature (°C) | -2.1 | -7.9 | -2.7 | 0.0 | 4.4 | 10.7 | 17.9 | 15.7 | 14.4 | 9.2 | 1.6 | -0.6 |
| Absolute minimum temperature (°C) | -5.9 | -23.2 | -8.0 | -4.1 | 0.7 | 6.1 | 13.4 | 10.5 | 8.2 | 3.1 | -2.9 | -6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 2.2 | 5.1 | 6.3 | 9.8 | 9.1 | 8.4 | 9.5 | 8.9 | 7.8 | 5.9 | 3.8 | 2.6 |
| Precipitation (mm) | 270 | 118 | 109 | 41 | 121 | 128 | 215 | 241 | 86 | 230 | 136 | 218 |
| Sunny days | 8 | 4 | 10 | 15 | 12 | 13 | 4 | 4 | 9 | 11 | 5 | 11 |
| Rainy days | 14 | 11 | 6 | 11 | 18 | 17 | 27 | 27 | 21 | 20 | 21 | 13 |
| Snow days | 9 | 13 | 15 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 7 |
The best time to visit New Haven during the most sunny months:
Months with the longest average daylight duration in New Haven:
The largest precipitation sum in New Haven is at