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Gros Islet weather in August 2025
Expect 30°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Gros Islet in August. Check more long-term weather averages for Gros Islet in August before you book your next holiday to St Lucia in 2025/2026.
- 30°C max day temperature
30 - 8 hours of sunshine per day
- 20 days with some rainfall
20 - 24°C min night temperature
24 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 216 mm of monthly rainfall
216 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
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The August weather guide for St Lucia (Gros Islet) 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)
More about St Lucia
How hot is it in Gros Islet in August?
Daytime temperatures usually reach 30°C in Gros Islet in August with very high heat and humidity, falling to 24°C at night.
How sunny is it in Gros Islet in August?
There are normally 8 hours of bright sunshine each day in Gros Islet in August - that's 65% of daylight hours.
How warm is the sea around Gros Islet in August?
The average sea temperature around Gros Islet in August is 28°C.
Does it rain in Gros Islet in August?
There are usually 20 days with some rain in Gros Islet in August and the average monthly rainfall is 216mm.
What is the chance of a hurricane in Gros Islet in August?
On average less than 1 day in August in Gros Islet is likely to be affected by the passage of one or more tropical storms.
Gros Islet August sunrise & sunset times
Browse the sunrise and sunset times for Gros Islet in August 2025. Select a month to view Gros Islet sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:48 | 18:32 |
| Saturday, 16th August 2025 | 05:51 | 18:25 |
| Sunday, 31st August 2025 | 05:52 | 18:16 |
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