New Haven weather in August 2019

  • 27°C maximum daytime temperature in August in New Haven27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in August in New Haven9
    9 days with some rainfall
  • 17°C minimum night-time temperature in August in New Haven17
    17°C min night temperature
  • 14 hours of daylight per day in August in New Haven14
    14 hours of daylight per day
  • Low heat & humidity in August in New HavenL
    Low heat & humidity
  • 93 mm monthly rainfall in August in New Haven93
    93 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in New Haven8
    8 (Very High) UV index
  • 22°C sea temperature in August in New Haven22
    22°C sea temperature
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The August weather guide for New Haven, Connecticut 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to New Haven weather in August

The average maximum daytime temperature in New Haven in August is a warm 27°C (81°F) with low heat & humidity. The average night-time temperature is usually a comfortable 17°C (63°F). There are usually 8 hours of bright sunshine each day, which represents 61% of the 14 hours of daylight.

Expect 93mm (3.7 inches) of rainfall across the whole of August with 9 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The average sea temperature in and around New Haven in August is 22°C (72°F).

New Haven sunrise & sunset times for August 2019

Browse the sunrise & sunset times for New Haven in August 2019. Select a month to view New Haven sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st August 2019 05:47 20:09
Friday, 16th August 2019 06:02 19:50
Saturday, 31st August 2019 06:17 19:27
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