Massachusetts weather in January 2023

  • 1°C maximum daytime temperature in January in Massachusetts (Boston)1
    1°C max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in January in Massachusetts (Boston)11
    11 days with some rainfall
  • -8°C minimum night-time temperature in January in Massachusetts (Boston)-8
    -8°C min night temperature
  • 9 hours of daylight per day in January in Massachusetts (Boston)9
    9 hours of daylight per day
  • No heat & humidity in January in Massachusetts (Boston)0
    No heat & humidity
  • 93 mm monthly rainfall in January in Massachusetts (Boston)93
    93 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Massachusetts (Boston)1
    1 (Low) UV index
  • 4°C sea temperature in January in Massachusetts (Boston)4
    4°C sea temperature

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

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Recommended for Massachusetts

The January 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 January?

Daytime temperatures usually reach 1°C in Boston, Massachusetts in January, falling to -8°C at night.

How sunny is it in Massachusetts in January?

There are normally 5 hours of bright sunshine each day in Boston, Massachusetts in January - that's 55% of daylight hours.

Is the sea cold around Massachusetts in January?

The average sea temperature around Boston, Massachusetts in January is 4°C.

Does it rain in Massachusetts in January?

There are usually 11 days with some rain in Boston, Massachusetts in January and the average monthly rainfall is 93mm. Rain may fall as snow in this month.

Massachusetts January sunrise & sunset times

Browse the sunrise and sunset times for Massachusetts in January 2023. 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
Sunday, 1st January 2023 07:13 16:22
Monday, 16th January 2023 07:10 16:38
Tuesday, 31st January 2023 06:59 16:57

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