St Croix weather in July 2025

Expect 88°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Croix in July. Check more long-term weather averages for St Croix in July before you book your next holiday to Virgin Islands in 2025/2026.

  • 88°F maximum daytime temperature in July in St Croix88
    88°F max day temperature
  • 9 hours of sunshine per day
  • 18 days with some rainfall in July in St Croix18
    18 days with some rainfall
  • 77°F minimum night-time temperature in July in St Croix77
    77°F min night temperature
  • 13 hours of daylight per day in July in St Croix13
    13 hours of daylight per day
  • High heat & humidity in July in St CroixH
    High heat & humidity
  • 3.0 inches monthly rainfall in July in St Croix3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in St Croix11
    11+ (Extreme) UV index
  • 82°F sea temperature in July in St Croix82
    82°F sea temperature

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The July 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)  |  Imperial (°F)

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How hot is it in St Croix in July?

Daytime temperatures usually reach 88°F in St Croix in July with high heat and humidity, falling to 77°F at night.

How sunny is it in St Croix in July?

There are normally 9 hours of bright sunshine each day in St Croix in July - that's 67% of daylight hours.

How warm is the sea around St Croix in July?

The average sea temperature around St Croix in July is 82°F.

Does it rain in St Croix in July?

There are usually 18 days with some rain in St Croix in July and the average monthly rainfall is 3.0 inches.

St Croix July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:48 18:58
Wednesday, 16th July 2025 05:53 18:57
Thursday, 31st July 2025 05:57 18:53

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