- Book online & save up to 5% on Marella Cruises
- Discount varies by season. Book online with TUI
- Destinations across the Med, Caribbean & USA
St Croix weather in August 2025
Expect 31°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in St Croix in August. Check more long-term weather averages for St Croix in August before you book your next holiday to Virgin Islands in 2025/2026.
- 31°C max day temperature
31 - 9 hours of sunshine per day
- 19 days with some rainfall
19 - 25°C min night temperature
25 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 111 mm of monthly rainfall
111 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
More about the St Croix
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
St Croix by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for the Virgin Islands
Cruise deal finder
The August 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)
How hot is it in St Croix in August?
Daytime temperatures usually reach 31°C in St Croix in August with very high heat and humidity, falling to 25°C at night.
How sunny is it in St Croix in August?
There are normally 9 hours of bright sunshine each day in St Croix in August - that's 67% of daylight hours.
How warm is the sea around St Croix in August?
The average sea temperature around St Croix in August is 29°C.
Does it rain in St Croix in August?
There are usually 19 days with some rain in St Croix in August and the average monthly rainfall is 111mm.
What is the chance of a hurricane in St Croix in August?
On average less than 1 day in August in St Croix is likely to be affected by the passage of one or more tropical storms.
St Croix August sunrise & sunset times
Browse the sunrise and sunset times for St Croix in August 2025. Select a month to view St Croix sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:58 | 18:52 |
| Saturday, 16th August 2025 | 06:02 | 18:44 |
| Sunday, 31st August 2025 | 06:05 | 18:33 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- Boxing Day sales
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport