Best Time to Visit New Haven
Best time: Jun, Jul, Aug, Sep.
Jul is warmest (29.2°C high); Apr is rainiest (106 mm).
New Haven weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 2.9 | -6.4 | 94 | 2.8 |
| Feb | 4.3 | -5.5 | 87 | 4.2 |
| Mar | 9.2 | -1 | 104 | 5.8 |
| Apr | 15.3 | 3.9 | 106 | 7.5 |
| May | 21.5 | 9.4 | 104 | 8.7 |
| Jun | 26.4 | 14.5 | 94 | 9.4 |
| Jul | 29.2 | 17.7 | 97 | 9.3 |
| Aug | 28.1 | 17 | 98 | 8.3 |
| Sep | 23.8 | 12.6 | 94 | 6.6 |
| Oct | 17.8 | 6.3 | 93 | 4.7 |
| Nov | 11.8 | 1.9 | 104 | 3 |
| Dec | 5.7 | -3.4 | 101 | 2.5 |
Average high temperature
Best months by activity
Overall: JunJulAugSep
Beaches: JulAugJun
Hiking: JunMaySep
Sightseeing: JunJulAugMay
New Haven quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Wet months (Jan, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit New Haven?
Jun, Jul, Aug, Sep.
What is the rainiest month?
Apr, about 106 mm.
What is the warmest month?
Jul, with average highs of 29.2°C.
Where to stay
See New Haven hotels · Book New Haven tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.