St John's weather in March 2025

Expect 1°C daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in St John's in March. Check more long-term weather averages for St John's in March before you book your next holiday to Newfoundland & Labrador in 2025/2026.

  • 1°C maximum daytime temperature in March in St John's1
    1°C max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in March in St John's18
    18 days with some rainfall
  • -6°C minimum night-time temperature in March in St John's-6
    -6°C min night temperature
  • 12 hours of daylight per day in March in St John's12
    12 hours of daylight per day
  • No heat & humidity in March in St John's0
    No heat & humidity
  • 132 mm monthly rainfall in March in St John's132
    132 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in March in St John's3
    3 (Moderate) UV index
  • -1°C sea temperature in March in St John's-1
    -1°C sea temperature

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The March weather guide for Newfoundland & Labrador (St John's) 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 Canada

How cold is it in St John's in March?

Daytime temperatures usually reach 1°C in St John's in March, falling to -6°C at night.

How sunny is it in St John's in March?

There are normally 4 hours of bright sunshine each day in St John's in March - that's 29% of daylight hours.

Is the sea cold around St John's in March?

The average sea temperature around St John's in March is -1°C.

Does it rain in St John's in March?

There are usually 18 days with some rain in St John's in March and the average monthly rainfall is 132mm. Rain may fall as snow in this month.

St John's March sunrise & sunset times

Browse the sunrise and sunset times for St John's in March 2025. Select a month to view St John's sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:41 17:46
Sunday, 16th March 2025 06:11 18:08
Monday, 31st March 2025 05:41 18:30

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