Chatham weather in December 2024

Expect 43°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Chatham in December. Check more long-term weather averages for Chatham in December before you book your next holiday to Massachusetts in 2024/2025.

  • 43°F maximum daytime temperature in December in Chatham43
    43°F max day temperature
  • 5 hours of sunshine per day
  • 13 days with some rainfall in December in Chatham13
    13 days with some rainfall
  • 28°F minimum night-time temperature in December in Chatham28
    28°F min night temperature
  • 9 hours of daylight per day in December in Chatham9
    9 hours of daylight per day
  • No heat & humidity in December in Chatham0
    No heat & humidity
  • 4.5 inches monthly rainfall in December in Chatham4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Chatham1
    1 (Low) UV index
  • 45°F sea temperature in December in Chatham45
    45°F sea temperature

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The December weather guide for Massachusetts (Chatham) 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)  |  Imperial (°F)

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More about the USA

How cold is it in Chatham in December?

Daytime temperatures usually reach 43°F in Chatham in December, falling to 28°F at night.

How sunny is it in Chatham in December?

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

How warm is the sea around Chatham in December?

The average sea temperature around Chatham in December is 45°F.

Does it rain in Chatham in December?

There are usually 13 days with some rain in Chatham in December and the average monthly rainfall is 4.5 inches. Rain may fall as snow in this month.

Chatham December sunrise & sunset times

Browse the sunrise and sunset times for Chatham in December 2024. Select a month to view Chatham sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st December 2024 06:48 16:10
Monday, 16th December 2024 07:01 16:11
Tuesday, 31st December 2024 07:07 16:20

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