Which is the hottest month in New Haven?

The hottest time of year in New Haven is normally July. Expect maximum daytime temperatures to reach 27°C with moderate heat and humidity.

Which month has the most rain in New Haven?

In terms of rainfall, November is usually the wettest month in New Haven with 103mm on average. There are normally 11 days in November with some rain.

When is it sunniest in New Haven?

The sunniest time of year in New Haven is normally August with bright sunshine on average for 61% of daylight hours; that's 8 hours of sunshine per day.

When is the sea warmest in New Haven?

The sea is usually at its warmest in New Haven in August when the water temperature reaches 22°C.

Best time to visit New Haven

Q: When is the best time to visit New Haven?

The best time to visit New Haven is June and July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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New Haven by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit New Haven?

The best time to visit New Haven is June and July based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
1.5
Mar
2
Apr
3.5
May
4.5
Jun
4.5
Jul
4
Aug
4
Sep
2.5
Oct
1
Nov
1
Dec

Change criteria

Max Day Temperature (°F)

36
Jan
37
Feb
46
Mar
57
Apr
66
May
77
Jun
81
Jul
81
Aug
73
Sep
64
Oct
54
Nov
39
Dec

Hours of Sunshine (daily)

6
Jan
6
Feb
7
Mar
8
Apr
9
May
9
Jun
9
Jul
8
Aug
7
Sep
7
Oct
5
Nov
5
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Connecticut (New Haven) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)