Massachusetts weather in December 2022

  • 4°C maximum daytime temperature in December in Massachusetts (Boston)4
    4°C max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in December in Massachusetts (Boston)12
    12 days with some rainfall
  • -5°C minimum night-time temperature in December in Massachusetts (Boston)-5
    -5°C min night temperature
  • 9 hours of daylight per day in December in Massachusetts (Boston)9
    9 hours of daylight per day
  • No heat & humidity in December in Massachusetts (Boston)0
    No heat & humidity
  • 105 mm monthly rainfall in December in Massachusetts (Boston)105
    105 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Massachusetts (Boston)1
    1 (Low) UV index
  • 7°C sea temperature in December in Massachusetts (Boston)7
    7°C sea temperature

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

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Recommended for Massachusetts

The December weather guide for Massachusetts (Boston) 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)

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More about the USA

How cold is it in Massachusetts in December?

Daytime temperatures usually reach 4°C in Boston, Massachusetts in December, falling to -5°C at night.

How sunny is it in Massachusetts in December?

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

Is the sea cold around Massachusetts in December?

The average sea temperature around Boston, Massachusetts in December is 7°C.

Does it rain in Massachusetts in December?

There are usually 12 days with some rain in Boston, Massachusetts in December and the average monthly rainfall is 105mm. Rain may fall as snow in this month.

Massachusetts December sunrise & sunset times

Browse the sunrise and sunset times for Massachusetts in December 2022. Select a month to view Massachusetts sunrise and sunset times for the next 12 months. The Massachusetts sunrise and sunset times shown below are for Boston.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st December 2022 06:54 16:13
Friday, 16th December 2022 07:07 16:13
Saturday, 31st December 2022 07:13 16:21

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