Mystic weather in January 2026

Expect daytime maximum temperatures of 36°F in Mystic, Connecticut in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 4.1 inches of rainfall in the month, which might fall as snow.

  • 36°F maximum daytime temperature in January in Mystic36
    36°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in January in Mystic11
    11 days with some rainfall
  • 19°F minimum night-time temperature in January in Mystic19
    19°F min night temperature
  • 10 hours of daylight per day in January in Mystic10
    10 hours of daylight per day
  • No heat & humidity in January in Mystic0
    No heat & humidity
  • 4.1 inches monthly rainfall in January in Mystic4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Mystic2
    2 (Low) UV index
  • 41°F sea temperature in January in Mystic41
    41°F sea temperature

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The January 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 cold is it in Mystic in January?

Daytime temperatures usually reach 36°F in Mystic in January, falling to 19°F at night.

How sunny is it in Mystic in January?

There are normally 6 hours of bright sunshine each day in Mystic in January - that's 60% of daylight hours.

How warm is the sea around Mystic in January?

The average sea temperature around Mystic in January is 41°F.

Does it rain in Mystic in January?

There are usually 11 days with some rain in Mystic in January and the average monthly rainfall is 4.1 inches. Rain may fall as snow in this month.

Mystic January sunrise & sunset times

Browse the sunrise and sunset times for Mystic in January 2026. Select a month to view Mystic sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:14 16:29
Friday, 16th January 2026 07:11 16:45
Saturday, 31st January 2026 07:00 17:03

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