Connecticut weather in December 2019

• 3
  3°C max day temperature
• 5
  5 hours of sunshine per day
• 12
  12 days with some rainfall
• -6
  -6°C min night temperature
• 9
  9 hours of daylight per day
• 0
  No heat & humidity
• 97
  97 mm of monthly rainfall
• 1
  1 (Low) UV index

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Expect 3°C 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 2019/2020. The December weather averages shown above are for Hartford.

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The December weather guide for Connecticut, represented by 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.

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

Guide to Connecticut weather in December

The average maximum daytime temperature in Connecticut in December is a cold 3°C (37°F). The average night-time temperature is usually a very cold -6°C (21°F). There are usually 5 hours of bright sunshine each day, which represents 49% of the 9 hours of daylight.

Expect 97mm (3.8 inches) of rainfall across the whole of December with 12 days with some rain falling. Maximum UV levels will be low (1 UV index) at midday when the skies are clear.

The weather in Connecticut in December is represented by Hartford.

Connecticut sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Connecticut in December 2019. Select a month to view Connecticut sunrise & sunset times for the next twelve months. The Connecticut sunrise & sunset times shown below are for Hartford.

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