Nantucket weather in March 2025

Expect 6°C 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.

  • 6°C maximum daytime temperature in March in Nantucket6
    6°C max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in March in Nantucket12
    12 days with some rainfall
  • 0°C minimum night-time temperature in March in Nantucket0
    0°C 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
  • 99 mm monthly rainfall in March in Nantucket99
    99 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in March in Nantucket4
    4 (Moderate) UV index
  • 3°C sea temperature in March in Nantucket3
    3°C 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 / mm)  |  Imperial (°F / inches)

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More about the USA

How cold is it in Nantucket in March?

Daytime temperatures usually reach 6°C in Nantucket in March, falling to 0°C 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.

Is the sea cold around Nantucket in March?

The average sea temperature around Nantucket in March is 3°C.

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 99mm.

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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