Port Antonio Weather and Climate: A Comprehensive Guide
Port Antonio has a steady warm climate throughout the year.
It also has a relatively rainy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
With minimal seasonal shifts, Port Antonio experiences a constant climate year-round. On average, daytime temperatures range from a comfortable 30°C in August to a comfortable 27°C in February.
Nighttime temperatures can drop, with average lows reaching 23°C in February.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Port Antonio has a notably wet climate with abundant precipitation, recording 1455 mm of rainfall per year. The seasons in Port Antonio, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 192 mm of precipitation. This rainfall is distributed across 16 rainy days.
In contrast, the driest month, February, experiences much less rainfall, totaling 76 mm over 6 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Port Antonio Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
The sunniest days in Port Antonio occur in July, with around 8.8 hours of daily sunshine. Even in October, the least sunny month, Port Antonio doesn't shy away from the sun, still enjoying a comfortable 7.5 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Port Antonio.
The city experiences its highest humidity in October, reaching 81%. In July, the humidity drops to its lowest level at 70%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Port Antonio
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Port Antonio in Jamaica
Other facts from our historical weather data:Most rainfall (rainy season) is seen in May, September, October and November.
August has an average maximum temperature of 30°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 27°C.
October tops the wettest month list with 192 mm of rainfall.
February is the driest month with 76 mm of precipitation.
July is the sunniest month with an average of 264 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.