New Haven (CT) Weather and Climate: A Comprehensive Guide
The temperature in New Haven can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It also experiences much rain/snowfall throughout the year.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in New Haven. Average daytime temperatures reach a comfortable 29°C in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C.
At night, you can expect cooler temperatures, with averages dropping to around -6°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
New Haven has a relatively rain/snowy climate with high precipitation levels, averaging 1289 mm of rain/snowfall annually. Despite minor fluctuations, New Haven enjoys fairly consistent precipitation throughout the year. In June, you can expect around 131 mm of precipitation, while in January, New Haven receives about 87 mm.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
New Haven can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.8 hours of sunshine daily. In contrast, the city experiences much darker days in November, with only 4.6 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in New Haven.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 58%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
partly cloudy and snow clear and no rain almost clear and no rainForecast for New Haven (CT)
7 m/s
5 m/s
3 m/s
The best time of year to visit New Haven in the United States of America
During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
July has an average maximum temperature of 29°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 4°C.
June tops the wettest month list with 131 mm of rainfall.
January is the driest month with 87 mm of precipitation.
July is the sunniest month with an average of 293 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
