Best time to visit New Haven

Find the best time to visit New Haven and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

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 = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 2°C maximum daytime temperature in January in New Haven2
    Jan
  • 3°C maximum daytime temperature in February in New Haven3
    Feb
  • 8°C maximum daytime temperature in March in New Haven8
    Mar
  • 14°C maximum daytime temperature in April in New Haven14
    Apr
  • 19°C maximum daytime temperature in May in New Haven19
    May
  • 25°C maximum daytime temperature in June in New Haven25
    Jun
  • 27°C maximum daytime temperature in July in New Haven27
    Jul
  • 27°C maximum daytime temperature in August in New Haven27
    Aug
  • 23°C maximum daytime temperature in September in New Haven23
    Sep
  • 18°C maximum daytime temperature in October in New Haven18
    Oct
  • 12°C maximum daytime temperature in November in New Haven12
    Nov
  • 4°C maximum daytime temperature in December in New Haven4
    Dec

Hours of Sunshine (daily)

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

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

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 / mm)  |  Imperial (°F / inches)

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