Best year time to visit New Haven

General weather information about New Haven

Average annual temperature is 7.8 °C

Absolute maximum temperature: 35.7 °C

Absolute minimum temperature: -30.7 °C

Number of sunny days: 190 days

Number of rainy days: 117 days

Number of snow days: 58 days

* 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)	9.9	9.7	14.4	24.8	26.4	28.2	34.5	35.7	32.0	22.7	17.6	13.8
Average daytime temperature (°C)	0.5	1.8	3.1	11.5	20.7	23.1	27.5	27.6	23.6	12.9	9.4	5.3
Average temperature (°C)	-3.9	-4.4	-3.2	4.3	14.3	17.0	20.9	20.7	16.7	6.8	3.2	0.0
Average night temperature (°C)	-7.1	-8.2	-7.4	-0.8	9.0	11.8	14.6	15.2	11.3	2.3	-0.8	-3.0
Absolute minimum temperature (°C)	-23.2	-30.7	-16.9	-10.4	1.3	8.0	6.7	10.4	7.3	-14.5	-10.8	-8.6

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

May — 85(mm)

June — 145(mm)

August — 83(mm)

September — 79(mm)

When is the best time to visit New Haven?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit New Haven.

What is the weather like in New Haven?

See average temperature, rainfall and daylight hours for New Haven by month in the table above.

How many sunny days does New Haven have?

The monthly weather statistics above show sunshine and rainfall patterns for New Haven throughout the year.