Vieux Fort weather in August 2025

Q: How hot is it in Vieux Fort in August?

Daytime temperatures usually reach 30°C in Vieux Fort in August with very high heat and humidity, falling to 24°C at night.

Q: How sunny is it in Vieux Fort in August?

There are normally 8 hours of bright sunshine each day in Vieux Fort in August - that's 64% of daylight hours.

Q: How warm is the sea around Vieux Fort in August?

The average sea temperature around Vieux Fort in August is 28°C.

Q: Does it rain in Vieux Fort in August?

There are usually 20 days with some rain in Vieux Fort in August and the average monthly rainfall is 271mm.

Q: What is the chance of a cyclone in Vieux Fort in August?

On average less than 1 day in August in Vieux Fort is likely to be affected by the passage of one or more tropical storms.

Expect 86°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Vieux Fort in August. Check more long-term weather averages for Vieux Fort in August before you book your next holiday to St Lucia in 2025/2026.

86
86°F max day temperature
8
8 hours of sunshine per day
20
20 days with some rainfall
75
75°F min night temperature
13
13 hours of daylight per day
VH
Very High heat & humidity
10.7
10.7 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

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Destination

The August weather guide for St Lucia (Vieux Fort) 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)

More about St Lucia

How hot is it in Vieux Fort in August?

Daytime temperatures usually reach 86°F in Vieux Fort in August with very high heat and humidity, falling to 75°F at night.

How sunny is it in Vieux Fort in August?

There are normally 8 hours of bright sunshine each day in Vieux Fort in August - that's 64% of daylight hours.

How warm is the sea around Vieux Fort in August?

The average sea temperature around Vieux Fort in August is 82°F.

Does it rain in Vieux Fort in August?

There are usually 20 days with some rain in Vieux Fort in August and the average monthly rainfall is 10.7 inches.

What is the chance of a hurricane in Vieux Fort in August?

On average less than 1 day in August in Vieux Fort is likely to be affected by the passage of one or more tropical storms.

Vieux Fort August sunrise & sunset times

Browse the sunrise and sunset times for Vieux Fort in August 2025. Select a month to view Vieux Fort sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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St Lucia - quick facts
Flight time^✝	9 hours
Time difference	UK -4 hours
Language(s)	English
Currency	Eastern Caribbean Dollar
Electricity	G plug (230V)
Driving side	Left
Why visit?	Beaches Nature
Tourist info	Saint Lucia Tourism Authority