Jamaica weather in August
Jamaica in August averages 29°C (85°F), 109 mm of rain and 8 hours of sun a day.
Of the twelve months in Jamaica, August is the second warmest and the fourth wettest.
- Average temp
- 29°C (85°F)
26–33°C · 79–91°F
- Rainfall
- 109 mm
Showers likely
- Sunshine
- 8 h
hours per day
What is Jamaica like in August?
Daytime
Days are hot, often above 32°C.
Rain
Some rain is likely; pack for showers.
Evening
Evenings stay warm.
What should I pack for Jamaica in August?
High-factor sun cream
With 8 hours of sun a day, 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 light rain jacket
About 109 mm falls this month — showers rather than washouts.
August compared with July and September
August in Jamaica is about the same temperature as July and 50 mm wetter than it, which averages 30°C (85°F).
August in Jamaica is about the same temperature as September and 46 mm drier than it, which averages 29°C (85°F).
Daylight in Jamaica in August
On 15 August the sun is up for 12 hours 44 minutes in Jamaica, rising about 05:51 and setting about 18:35 local time.
August ends 26 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
Travel guides for Jamaica
What to read before you book.
Jamaica 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 | 27°C / 81°F | 17 mm |
| February | 27°C / 81°F | 16 mm |
| March | 27°C / 81°F | 23 mm |
| April | 28°C / 82°F | 28 mm |
| May | 29°C / 83°F | 112 mm |
| June | 29°C / 85°F | 61 mm |
| July | 30°C / 85°F | 59 mm |
| August | 29°C / 85°F | 109 mm |
| September | 29°C / 85°F | 155 mm |
| October | 29°C / 83°F | 152 mm |
| November | 28°C / 83°F | 89 mm |
| December | 27°C / 81°F | 40 mm |
Check another month
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FAQs about Jamaica in August
August climate averages for Jamaica, 1991–2020.
Jamaica averages 29°C (85°F) in August, ranging from about 26°C (79°F) at night to 33°C (91°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 109 mm falls across August, enough to need a light jacket but not enough to reshape a trip.
They are about the same. August averages 29°C (85°F) and September 29°C (85°F), so temperature alone will not decide between them.
August is about as warm as July, and 50 mm wetter.
It is outside the easiest window. The most comfortable stretch here is November to April; 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 8 hours of sun a day on the 1991–2020 average — among the brighter months anywhere.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run 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 44 minutes of daylight in mid-August, against 13 hours 13 minutes in June and 11 hours 3 minutes in December.
On 15 August, sunrise is about 05:51 and sunset about 18:35 local time. Both shift across the month — the month ends 26 minutes shorter than it starts.
