Block Island weather in January 2025

Expect 37°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Block Island in January. Check more long-term weather averages for Block Island in January before you book your next holiday to Rhode Island in 2025/2026.

  • 37°F maximum daytime temperature in January in Block Island37
    37°F max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in January in Block Island11
    11 days with some rainfall
  • 21°F minimum night-time temperature in January in Block Island21
    21°F min night temperature
  • 10 hours of daylight per day in January in Block Island10
    10 hours of daylight per day
  • No heat & humidity in January in Block Island0
    No heat & humidity
  • 4.0 inches monthly rainfall in January in Block Island4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Block Island2
    2 (Low) UV index
  • 43°F sea temperature in January in Block Island43
    43°F sea temperature

More about Block Island

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The January weather guide for Rhode Island (Block Island) 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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How cold is it in Block Island in January?

Daytime temperatures usually reach 37°F in Block Island in January, falling to 21°F at night.

How sunny is it in Block Island in January?

There are normally 6 hours of bright sunshine each day in Block Island in January - that's 59% of daylight hours.

How warm is the sea around Block Island in January?

The average sea temperature around Block Island in January is 43°F.

Does it rain in Block Island in January?

There are usually 11 days with some rain in Block Island in January and the average monthly rainfall is 4.0 inches. Rain may fall as snow in this month.

Block Island January sunrise & sunset times

Browse the sunrise and sunset times for Block Island in January 2025. Select a month to view Block Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:12 16:28
Thursday, 16th January 2025 07:09 16:44
Friday, 31st January 2025 06:58 17:02

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