Boston weather in January

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Check the Boston, Massachusetts weather in January before you book your next holiday. This gives the best indication of the weather in January and includes figures for temperature, sunshine and rainfall.

  • 1°C maximum daytime temperature in January in Boston1
    1°C max day temperature
  • 5 hours of sunshine per day (55% of daylight hours) in January in Boston5
    5 hours of sunshine per day
  • 11 days with some rainfall in January in Boston11
    11 days with some rainfall
  • -8°C minimum night-time temperature in January in Boston-8
    -8°C min night temperature
  • 9 hours of daylight per day in January in Boston9
    9 hours of daylight per day
  • No heat & humidity in January in Boston0
    No heat & humidity
  • 93 mm monthly rainfall in January in Boston93
    93 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Boston1
    1 (Low) UV index
  • 5°C sea temperature in January in Boston5
    5°C sea temperature

All months

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

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Boston weather map

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Boston weather by month

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