Antigua & Barbuda weather in August
Antigua & Barbuda in August averages 28°C (82°F), 165 mm of rain and 7.2 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Antigua & Barbuda, August is the fourth wettest and the sunniest.

- Average temp
- 28°C (82°F)
24–32°C · 76–89°F
- Rainfall
- 165 mm
A wet month
- Sunshine
- 7.2 h
hours per day
What is Antigua & Barbuda like in August?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Antigua & Barbuda in August?
High-factor sun cream
With daytime highs around 32°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A proper waterproof, not a folding umbrella
165 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
August compared with July and September
August in Antigua & Barbuda is about the same temperature as July and 24 mm wetter than it, which averages 28°C (82°F).
August in Antigua & Barbuda is about the same temperature as September and 27 mm drier than it, which averages 28°C (82°F).
Daylight in Antigua & Barbuda in August
On 15 August the sun is up for 12 hours 42 minutes in Antigua & Barbuda, rising about 05:50 and setting about 18:32 local time.
August ends 25 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
Travel guides for Antigua & Barbuda
What to read before you book.

Antigua & Barbuda weather by month
TemperatureRainfall
How August compares with the rest of the year
August is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 25°C / 77°F | 92 mm |
| February | 25°C / 77°F | 58 mm |
| March | 25°C / 78°F | 69 mm |
| April | 26°C / 79°F | 98 mm |
| May | 27°C / 81°F | 127 mm |
| June | 28°C / 82°F | 104 mm |
| July | 28°C / 82°F | 141 mm |
| August | 28°C / 82°F | 165 mm |
| September | 28°C / 82°F | 191 mm |
| October | 27°C / 81°F | 211 mm |
| November | 26°C / 79°F | 177 mm |
| December | 25°C / 77°F | 130 mm |
Check another month
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FAQs about Antigua & Barbuda in August
August climate averages for Antigua & Barbuda, 1991–2020.
Antigua & Barbuda averages 28°C (82°F) in August, ranging from about 24°C (76°F) at night to 32°C (89°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. August brings about 165 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
They are about the same. August averages 28°C (82°F) and September 28°C (82°F), so temperature alone will not decide between them.
August is about as warm as July, and 24 mm wetter.
It is outside the easiest window. The most comfortable stretch here is January to June; August sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 7.2 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a thirty-year average of what August is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 42 minutes of daylight in mid-August, against 13 hours 9 minutes in June and 11 hours 7 minutes in December.
On 15 August, sunrise is about 05:50 and sunset about 18:32 local time. Both shift across the month — the month ends 25 minutes shorter than it starts.


