New Haven weather in July 2025

Expect 81°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in New Haven in July. Check more long-term weather averages for New Haven in July before you book your next holiday to Connecticut in 2025/2026.

  • 81°F maximum daytime temperature in July in New Haven81
    81°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in July in New Haven9
    9 days with some rainfall
  • 63°F minimum night-time temperature in July in New Haven63
    63°F min night temperature
  • 15 hours of daylight per day in July in New Haven15
    15 hours of daylight per day
  • Moderate heat & humidity in July in New HavenM
    Moderate heat & humidity
  • 3.3 inches monthly rainfall in July in New Haven3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in New Haven8
    8 (Very High) UV index
  • 70°F sea temperature in July in New Haven70
    70°F sea temperature

More about New Haven

New Haven by month

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

Recommended for Connecticut

Travel Up: up to £15 off flight & hotel bookings

  • Save up to £20 on flights & hotels with Travel Up
  • Offer only valid on bookings of £300 or more
  • Use discount code at check out for offer to apply
Show discount codeShow discount code ******Y15
Redeem Travel Up discount code >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Travel Up offers

The July weather guide for Connecticut (New Haven) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How hot is it in New Haven in July?

Daytime temperatures usually reach 81°F in New Haven in July with moderate heat and humidity, falling to 63°F at night.

How sunny is it in New Haven in July?

There are normally 9 hours of bright sunshine each day in New Haven in July - that's 61% of daylight hours.

How warm is the sea around New Haven in July?

The average sea temperature around New Haven in July is 70°F.

Does it rain in New Haven in July?

There are usually 9 days with some rain in New Haven in July and the average monthly rainfall is 3.3 inches.

New Haven July sunrise & sunset times

Browse the sunrise and sunset times for New Haven in July 2025. Select a month to view New Haven sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:22 19:29
Wednesday, 16th July 2025 04:33 19:23
Thursday, 31st July 2025 04:46 19:09

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^