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Antigua weather in August 2025
Expect 88°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Antigua in August. Check more long-term weather averages for Antigua in August before you book your next holiday to Antigua in 2025/2026.
- 88°F max day temperature
88 - 8 hours of sunshine per day
- 16 days with some rainfall
16 - 77°F min night temperature
77 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 4.9 inches of monthly rainfall
4.9 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
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Recommended for Antigua
The August weather guide for Antigua (St John's) 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.
Top Antigua destinations
Below are average maximum temperatures at popular countries, regions and places in Antigua in August. Select a holiday destination to see more weather parameters.
- Codrington, Barbuda
- Dickenson's Bay
- English Harbour
- Falmouth Harbour
- Five Islands
- Jolly Harbour
- Long Bay
- Mamora Bay
- Soldiers Bay
- St John's
All Antigua destinations
- Codrington, Barbuda
- Dickenson's Bay
- English Harbour
- Falmouth Harbour
- Five Islands
- Jolly Harbour
- Long Bay
- Mamora Bay
- Soldiers Bay
- St John's
Metric (°C) | Imperial (°F)
More about Antigua
How hot is it in Antigua in August?
Daytime temperatures usually reach 88°F in St John's, Antigua in August with very high heat and humidity, falling to 77°F at night.
How sunny is it in Antigua in August?
There are normally 8 hours of bright sunshine each day in St John's, Antigua in August - that's 64% of daylight hours.
How warm is the sea around Antigua in August?
The average sea temperature around St John's, Antigua in August is 82°F.
Does it rain in Antigua in August?
There are usually 16 days with some rain in St John's, Antigua in August and the average monthly rainfall is 4.9 inches.
What is the chance of a hurricane in Antigua in August?
On average less than 1 day in August in St John's, Antigua is likely to be affected by the passage of one or more tropical storms.
Antigua August sunrise & sunset times
Browse the sunrise and sunset times for Antigua in August 2025. Select a month to view Antigua sunrise and sunset times for the next 12 months. The Antigua sunrise and sunset times shown below are for St John's.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:47 | 18:40 |
| Saturday, 16th August 2025 | 05:51 | 18:32 |
| Sunday, 31st August 2025 | 05:54 | 18:21 |
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