Morgan Bay weather in August 2025

Q: How hot is it in Morgan Bay in August?

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

Q: How sunny is it in Morgan Bay in August?

There are normally 8 hours of bright sunshine each day in Morgan Bay in August - that's 65% of daylight hours.

Q: How warm is the sea around Morgan Bay in August?

The average sea temperature around Morgan Bay in August is 28°C.

Q: Does it rain in Morgan Bay in August?

There are usually 20 days with some rain in Morgan Bay in August and the average monthly rainfall is 216mm.

Q: What is the chance of a cyclone in Morgan Bay in August?

On average less than 1 day in August in Morgan Bay 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 Morgan Bay in August. Check more long-term weather averages for Morgan Bay 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
8.5
8.5 inches of monthly rainfall
11
11+ (Extreme) UV index
82
82°F sea temperature

More about Morgan Bay

Morgan Bay by month

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

Recommended for St Lucia

TUI: up to 7% off holidays booked online

Sale

Book online with TUI & save up to 7% on holidays
FREE child places available for select holidays
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

The August weather guide for St Lucia (Morgan Bay) 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 Morgan Bay in August?

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

How sunny is it in Morgan Bay in August?

There are normally 8 hours of bright sunshine each day in Morgan Bay in August - that's 65% of daylight hours.

How warm is the sea around Morgan Bay in August?

The average sea temperature around Morgan Bay in August is 82°F.

Does it rain in Morgan Bay in August?

There are usually 20 days with some rain in Morgan Bay in August and the average monthly rainfall is 8.5 inches.

What is the chance of a hurricane in Morgan Bay in August?

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

Morgan Bay August sunrise & sunset times

Browse the sunrise and sunset times for Morgan Bay in August 2025. Select a month to view Morgan Bay 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

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

Popular travel offers

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