The month in detail
What to expect in August
In August, Grenadines sees 28°C during the day with 7.3h of sunshine per day. Expect rain on 27% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. April (9.0/10) is significantly better if possible.
August ranks 8 out of 12 months in Grenadines.
This month's conditions
What it's like in August
UV index
9 · very high
protection essential
Feels like
very humid
23°
Sea
30°C
warm, ideal
Daylight
12.4h of daylight
Air quality
good
AQI 26
Compare
Is August the right month?
The best month in Grenadines is April (9.0/10), 3.2 pts higher than August.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Grenadines
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Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
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🎟️ Activities & tours · Grenadines
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a tropical stay.
Country · Saint Vincent and the Grenadines
🗣️LanguageEnglish
💶CurrencyEast Caribbean Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘ+0.92°C/decade
🔥Hottest monthAugust · 28°C
❄️Coolest monthJanuary · 26°C
🌧️Rainiest month ⓘOctober · 29%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in August
If August doesn't convince you for this destination, compare with others.
Similar climate
Saint ThomasUS Virgin Islands
Saint BarthélemySaint Barthélemy
Saint MartinSaint Martin
BasseterreSaint Kitts and Nevis
Saint LuciaSaint Lucia
Location
Where is Grenadines ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Saint Vincent and the GrenadinesTropical climate with a 9.0 → 5.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
13.01°N · 61.23°W
Questions
Frequently asked questions
What is the best time to visit Grenadines?
April is the best month with 26.0°C highs, 25.0°C lows, 8.7h of sunshine and 8.0% rainy days. The months of April & March offer comparable conditions.
How many hours of sunshine does Grenadines get in April?
Grenadines averages 8.7 sunshine hours per day in April. It is the sunniest month with a climate score of 8.6/10.
What is the rainiest month in Grenadines?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Grenadines in April?
In April, overnight lows reach 25.0°C, while afternoon highs average 26.0°C.
Is Grenadines good in winter?
In winter (December-February), Grenadines scores 8.2/10 on average — Decent period conditions for cultural visits.. The best month overall remains April with a score of 8.6/10.
When should you avoid Grenadines?
July is the most difficult month to visit Grenadines, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Grenadines in August?
In August, the sea averages 30°C in Grenadines: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Grenadines in August?
The average UV index reaches 9 in August in Grenadines (very high), with about 12.4h of daylight. Protection essential.