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Port Antonio weather in August 2025
Expect 31°C 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.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 13 days with some rainfall
13 - 22°C min night temperature
22 - 13 hours of daylight per day
13 - High heat & humidity
H - 197 mm of monthly rainfall
197 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
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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 / mm) | Imperial (°F / inches)
More about Jamaica
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.
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 29°C.
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.
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.
JanFebMarAprMayJunJulAugSepOctNovDec
| 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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