St Lucia weather in March 2026

Expect daytime maximum temperatures of 84°F in St Lucia, South Africa in March based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 5.1 inches of rainfall in the month.

  • 84°F maximum daytime temperature in March in St Lucia84
    84°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in March in St Lucia11
    11 days with some rainfall
  • 70°F minimum night-time temperature in March in St Lucia70
    70°F min night temperature
  • 12 hours of daylight per day in March in St Lucia12
    12 hours of daylight per day
  • Moderate heat & humidity in March in St LuciaM
    Moderate heat & humidity
  • 5.1 inches monthly rainfall in March in St Lucia5.1
    5.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in March in St Lucia10
    10 (Very High) UV index
  • 81°F sea temperature in March in St Lucia81
    81°F sea temperature

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The March weather guide for South Africa (St Lucia) 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 South Africa

How hot is it in St Lucia in March?

Daytime temperatures usually reach 75°F in St Lucia in March, falling to 57°F at night.

How sunny is it in St Lucia in March?

There are normally 9 hours of bright sunshine each day in St Lucia in March - that's 75% of daylight hours.

How warm is the sea around St Lucia in March?

The average sea temperature around St Lucia in March is 64°F.

Does it rain in St Lucia in March?

There are usually 5 days with some rain in St Lucia in March and the average monthly rainfall is 1.7 inches.

St Lucia March sunrise & sunset times

Browse the sunrise and sunset times for St Lucia in March 2026. Select a month to view St Lucia sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st March 2026 05:42 18:23
Monday, 16th March 2026 05:51 18:06
Tuesday, 31st March 2026 06:00 17:49

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