Home / United States / New Haven

New Haven climate

Typical historical weather for New Haven, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for New Haven.

Annual average

11.7°C

across all months

Warmest month

28.8°C

Jul average high

Coolest month

-5.4°C

Jan average low

Annual rainfall

1046mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high Avg low Rainfall

Records on file

Hottest day

36.3°C

21 June 2022

Coldest day

-25.9°C

21 January 2019

Wettest day

67mm

22 September 2021

Windiest day

11.2m/s

24 February 2019

See the detail: New Haven on 22 September 2021.