The month in detail
What to expect in August
Summer in Dominica brings pleasant temperatures (28°C) and long sunny days (6.7h of sunshine). Expect rain on 33% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. May (8.7/10) is significantly better if possible.
August ranks 10 out of 12 months in Dominica. Compared to July: +0.5h of sun per day.
This month's conditions
What it's like in August
UV index
9 · very high
protection essential
Feels like
very humid
22°
Sea
30°C
warm, ideal
Daylight
12.5h of daylight
Air quality
good
AQI 29
Compare
Is August the right month?
The best month in Dominica is May (8.7/10), 3.1 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 · Dominica
Expedia →
Activities
Tours, tickets, experiences
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Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Dominica
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 · Dominica
🗣️LanguageEnglish
💶CurrencyEast Caribbean Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthSeptember · 29°C
❄️Coolest monthJanuary · 26°C
🌧️Rainiest month ⓘJuly · 37%
🏝️ 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 LuciaSaint Lucia
BarbadosBarbados
AntiguaAntigua and Barbuda
Saint VincentSaint Vincent and the Grenadines
San JuanPuerto Rico
Location
Where is Dominica ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
DominicaTropical climate with a 8.7 → 5.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
15.41°N · 61.37°W
Questions
Frequently asked questions
What is the best time to visit Dominica?
May is the best month with 28.0°C highs, 23.0°C lows, 7.8h of sunshine and 18.0% rainy days. The months of May & April offer comparable conditions.
How many hours of sunshine does Dominica get in May?
Dominica averages 7.8 sunshine hours per day in May. It is the sunniest month with a climate score of 8.4/10.
What is the rainiest month in Dominica?
September is the most unfavourable month with September has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Dominica in May?
In May, overnight lows reach 23.0°C, while afternoon highs average 28.0°C.
Is Dominica good in winter?
In winter (December-February), Dominica scores 7.8/10 on average — Decent period conditions for cultural visits.. The best month overall remains May with a score of 8.4/10.
When should you avoid Dominica?
September is the most difficult month to visit Dominica, with September has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Dominica in August?
In August, the sea averages 30°C in Dominica: warm, ideal. Ideal conditions for swimming and snorkeling.
Do you need sun protection in Dominica in August?
The average UV index reaches 9 in August in Dominica (very high), with about 12.5h of daylight. Protection essential.