Weather in New Haven: March
 |
Average day temperature: | 45.8°F |
| Average night temperature: | 37.4°F | |
 |
Sea water temperature: | 40.2°F |
 |
Number of sunny days: | 9 days |
| Day length: | 11.3 - 12.7 hours | |
 |
Number of rainy days: | 3 days |
| Precipitation totals: | 1.3 in. | |
| more information | ||
forecast
| New Haven |
temperature
| New Haven |
Air temperature in March, °F
The highest day temperature during March of 2025 was 64°F. At the same time the lowest night temperature was 18°F. Daily and nightly averages during March were 48.1°F and 37.0°F.
Sea water temperature in New Haven in March, °F
The average sea water temperature in March of 2025 was 39.0°F. The highest and lowest sea temperatures during the month were 42.6°F and 34.9°F.
Number of sunny, partly cloudy and cloudy days in March is almost equal.
Precipitation total in March, in.
Precipitation total value in New Haven in March is 1.3 in. Other months of the year show relatively similar values.
The average wind speed value in March is 9.9 mph It makes March one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in March is: 6.4.
Best time for vacation in New Haven
New Haven on a weather map
14 mph
9 mph
6 mph
2 mph
6 mph
6 mph
3 mph
4 mph
