Climate in Port Antonio (Portland), Jamaica

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Port Antonio, Jamaica

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Port Antonio, Jamaica

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* Data from: Kingston, Jamaica (44 KM, 27 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Port Antonio, Jamaica

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Port Antonio, Jamaica

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Port Antonio, Jamaica

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* Data from: Kingston, Jamaica (44 KM, 27 Miles).

Weather Forecasts for Port Antonio

Thu   Mar 28
32°C | 20°C
NE 11 km/h
almost clear and no rain

almost clear and no rain

Fri   Mar 29
31°C | 23°C
N 11 km/h
clear and no rain

clear and no rain

Sat   Mar 30
25°C | 22°C
E 14 km/h
36 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Port Antonio in Jamaica

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Port Antonio?
    Most rainfall (rainy season) is seen in May, September, October and November.
  • Which is the warmest month in Port Antonio?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Port Antonio?
    The coldest month is February with an average maximum temperature of 27°C.
  • Which is the wettest month in Port Antonio?
    October tops the wettest month list with 192 mm of rainfall.
  • Which is the driest month in Port Antonio?
    February is the driest month with 76 mm of precipitation.
  • Which is the sunniest month in Port Antonio?
    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.