St Croix weather in May 2026

Expect daytime maximum temperatures of 30°C in St Croix, Virgin Islands in May and high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 15 days with some rainfall and typically 108 mm of rainfall in the month.

  • 30°C maximum daytime temperature in May in St Croix30
    30°C max day temperature
  • 8 hours of sunshine per day
  • 15 days with some rainfall in May in St Croix15
    15 days with some rainfall
  • 23°C minimum night-time temperature in May in St Croix23
    23°C min night temperature
  • 13 hours of daylight per day in May in St Croix13
    13 hours of daylight per day
  • High heat & humidity in May in St CroixH
    High heat & humidity
  • 108 mm monthly rainfall in May in St Croix108
    108 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in May in St Croix11
    11+ (Extreme) UV index
  • 27°C sea temperature in May in St Croix27
    27°C sea temperature

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The May weather guide for Virgin Islands (St Croix) 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 Croix in May?

Daytime temperatures usually reach 29°C in St Croix in May with high heat and humidity, falling to 23°C at night.

How sunny is it in St Croix in May?

There are normally 8 hours of bright sunshine each day in St Croix in May - that's 62% of daylight hours.

How warm is the sea around St Croix in May?

The average sea temperature around St Croix in May is 27°C.

Does it rain in St Croix in May?

There are usually 12 days with some rain in St Croix in May and the average monthly rainfall is 129mm.

St Croix May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:52 18:40
Saturday, 16th May 2026 05:46 18:45
Sunday, 31st May 2026 05:43 18:50

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