Mystic weather in July 2025

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

  • 81°F maximum daytime temperature in July in Mystic81
    81°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in July in Mystic9
    9 days with some rainfall
  • 63°F minimum night-time temperature in July in Mystic63
    63°F min night temperature
  • 15 hours of daylight per day in July in Mystic15
    15 hours of daylight per day
  • Low heat & humidity in July in MysticL
    Low heat & humidity
  • 3.4 inches monthly rainfall in July in Mystic3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in July in Mystic8
    8 (Very High) UV index
  • 66°F sea temperature in July in Mystic66
    66°F sea temperature

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The July weather guide for Connecticut (Mystic) 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)

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How hot is it in Mystic in July?

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

How sunny is it in Mystic in July?

There are normally 9 hours of bright sunshine each day in Mystic in July - that's 60% of daylight hours.

How warm is the sea around Mystic in July?

The average sea temperature around Mystic in July is 66°F.

Does it rain in Mystic in July?

There are usually 9 days with some rain in Mystic in July and the average monthly rainfall is 3.4 inches.

What is the chance of a hurricane in Mystic in July?

On average less than 1 day in July in Mystic is likely to be affected by the passage of one or more tropical storms.

Mystic July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 04:18 19:25
Wednesday, 16th July 2025 04:29 19:19
Thursday, 31st July 2025 04:42 19:06

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