Port Antonio weather in August 2025

Q: How hot is it in Port Antonio in August?

Daytime temperatures usually reach 31°C in Port Antonio in August with high heat and humidity, falling to 22°C at night.

Q: How sunny is it in Port Antonio in August?

There are normally 7 hours of bright sunshine each day in Port Antonio in August - that's 57% of daylight hours.

Q: How warm is the sea around Port Antonio in August?

The average sea temperature around Port Antonio in August is 29°C.

Q: Does it rain in Port Antonio in August?

There are usually 13 days with some rain in Port Antonio in August and the average monthly rainfall is 197mm.

Q: What is the chance of a cyclone in Port Antonio in August?

On average less than 1 day in August in Port Antonio is likely to be affected by the passage of one or more tropical storms.

Expect 88°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Port Antonio in August. Check more long-term weather averages for Port Antonio in August before you book your next holiday to Jamaica in 2025/2026.

88
88°F max day temperature
7
7 hours of sunshine per day
13
13 days with some rainfall
72
72°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
7.8
7.8 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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The August weather guide for Jamaica (Port Antonio) 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.

Metric (°C) | Imperial (°F)

More about Jamaica

How hot is it in Port Antonio in August?

Daytime temperatures usually reach 88°F in Port Antonio in August with high heat and humidity, falling to 72°F at night.

How sunny is it in Port Antonio in August?

There are normally 7 hours of bright sunshine each day in Port Antonio in August - that's 57% of daylight hours.

How warm is the sea around Port Antonio in August?

The average sea temperature around Port Antonio in August is 84°F.

Does it rain in Port Antonio in August?

There are usually 13 days with some rain in Port Antonio in August and the average monthly rainfall is 7.8 inches.

What is the chance of a hurricane in Port Antonio in August?

On average less than 1 day in August in Port Antonio is likely to be affected by the passage of one or more tropical storms.

Port Antonio August sunrise & sunset times

Browse the sunrise and sunset times for Port Antonio in August 2025. Select a month to view Port Antonio sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Friday, 1st August 2025	05:44	18:40
Saturday, 16th August 2025	05:48	18:32
Sunday, 31st August 2025	05:51	18:20

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Jamaica - quick facts
Flight time^✝	10 hours
Time difference	UK -5 hours
Language(s)	English
Currency	Jamaican Dollar
Electricity	A + B plug (110V)
Driving side	Left
Why visit?	Beaches Culture Nature Nightlife
Tourist info	Jamaica Tourist Board