St Helena weather in March 2025

Expect 23°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in St Helena in March. Check more long-term weather averages for St Helena in March before you book your next holiday to St Helena & Islands in 2025/2026.

  • 23°C maximum daytime temperature in March in St Helena23
    23°C max day temperature
  • 15 days with some rainfall in March in St Helena15
    15 days with some rainfall
  • 19°C minimum night-time temperature in March in St Helena19
    19°C min night temperature
  • 12 hours of daylight per day in March in St Helena12
    12 hours of daylight per day
  • No heat & humidity in March in St Helena0
    No heat & humidity
  • 90 mm monthly rainfall in March in St Helena90
    90 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in March in St Helena11
    11+ (Extreme) UV index
  • 25°C sea temperature in March in St Helena25
    25°C sea temperature

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The March weather guide for St Helena & Islands (St Helena) 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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How hot is it in St Helena in March?

Daytime temperatures usually reach 23°C in St Helena in March, falling to 19°C at night.

How warm is the sea around St Helena in March?

The average sea temperature around St Helena in March is 25°C.

Does it ever rain in St Helena in March?

There are usually 15 days with some rain in St Helena in March and the average monthly rainfall is 90mm.

St Helena March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:23 18:47
Sunday, 16th March 2025 06:26 18:36
Monday, 31st March 2025 06:28 18:25

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