Nantucket weather in March 2025

Expect 43°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Nantucket in March. Check more long-term weather averages for Nantucket in March before you book your next holiday to Massachusetts in 2025/2026.

  • 43°F maximum daytime temperature in March in Nantucket43
    43°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in March in Nantucket12
    12 days with some rainfall
  • 32°F minimum night-time temperature in March in Nantucket32
    32°F min night temperature
  • 12 hours of daylight per day in March in Nantucket12
    12 hours of daylight per day
  • No heat & humidity in March in Nantucket0
    No heat & humidity
  • 3.9 inches monthly rainfall in March in Nantucket3.9
    3.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Nantucket4
    4 (Moderate) UV index
  • 37°F sea temperature in March in Nantucket37
    37°F sea temperature

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The March weather guide for Massachusetts (Nantucket) 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 Nantucket in March?

Daytime temperatures usually reach 43°F in Nantucket in March, falling to 32°F at night.

How sunny is it in Nantucket in March?

There are normally 7 hours of bright sunshine each day in Nantucket in March - that's 58% of daylight hours.

How warm is the sea around Nantucket in March?

The average sea temperature around Nantucket in March is 37°F.

Does it rain in Nantucket in March?

There are usually 12 days with some rain in Nantucket in March and the average monthly rainfall is 3.9 inches.

Nantucket March sunrise & sunset times

Browse the sunrise and sunset times for Nantucket in March 2025. Select a month to view Nantucket sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:14 17:32
Sunday, 16th March 2025 05:50 17:49
Monday, 31st March 2025 05:25 18:05

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