Connecticut weather in December 2024

Expect 37°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Connecticut in December. Check more long-term weather averages for Connecticut in December before you book your next holiday to Connecticut in 2024/2025.

  • 37°F maximum daytime temperature in December in Connecticut (Hartford)37
    37°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in December in Connecticut (Hartford)12
    12 days with some rainfall
  • 21°F minimum night-time temperature in December in Connecticut (Hartford)21
    21°F min night temperature
  • 9 hours of daylight per day in December in Connecticut (Hartford)9
    9 hours of daylight per day
  • No heat & humidity in December in Connecticut (Hartford)0
    No heat & humidity
  • 3.8 inches monthly rainfall in December in Connecticut (Hartford)3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Connecticut (Hartford)1
    1 (Low) UV index

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The December weather guide for Connecticut (Hartford) 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.

Top Connecticut destinations

Below are average maximum temperatures at popular destinations in Connecticut in December. Select a destination to see more weather parameters.

All Connecticut destinations

Metric (°C)  |  Imperial (°F)

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More about the USA

How cold is it in Connecticut in December?

Daytime temperatures usually reach 37°F in Hartford, Connecticut in December, falling to 21°F at night.

How sunny is it in Connecticut in December?

There are normally 5 hours of bright sunshine each day in Hartford, Connecticut in December - that's 49% of daylight hours.

Does it rain in Connecticut in December?

There are usually 12 days with some rain in Hartford, Connecticut in December and the average monthly rainfall is 3.8 inches. Rain may fall as snow in this month.

Connecticut December sunrise & sunset times

Browse the sunrise and sunset times for Connecticut in December 2024. Select a month to view Connecticut sunrise and sunset times for the next 12 months. The Connecticut sunrise and sunset times shown below are for Hartford.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 06:59 16:21
Monday, 16th December 2024 07:12 16:21
Tuesday, 31st December 2024 07:18 16:30

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