Port Antonio Rainfall & Precipitation: Monthly Averages and Year-Round Insights

This page shows the average amount of rainfall per month in Port Antonio. The numbers are calculated over a 30-year period to provide a reliable average. Let's now guide you through the details for a complete overview.

Port Antonio has a relatively rainy climate with high precipitation levels, averaging 1455 mm of rainfall annually.

Monthly Precipitation Levels

The average number of days each month with precipitation (> 0.2 mm)

The climate in Port Antonio shows significant variation throughout the year. Expect 192 mm of precipitation during the wettest month October, distributed over 16 rainy days.

In contrast, February offers drier and sunnier days, with around 76 mm of rainfall over 6 rainy days.

October, the city’s wettest month, has a maximum daytime temperature of 29°C and receives 226 hours of sunshine. During the driest month February you can expect a temperature of 27°C. For more detailed insights into the city’s temperatures, visit our Port Antonio Temperature page.

Annual Precipitation in Jamaica

The map below shows the annual precipitation across Jamaica. You can also select the different months in case you are interested in a specific month.

Amsterdam Precipitation Compared World Wide

Port Antonio’s average annual precipitation is 1455 mm. Let’s compare this to some popular worldwide tourist destinations:

In Barcelona, Spain, the average annual precipitation is 620 mm, evenly distributed across the year with no extreme wet or dry seasons.

Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm of annual rainfall, mostly in the summer.

Melbourne, Australia, has 690 mm of rainfall annually, spread fairly evenly throughout the year.

Ho Chi Minh City, Vietnam, receives 1955 mm of annual rainfall, with a pronounced wet season from May to November, typical of its tropical monsoon climate.

How is Precipitation Measured?

Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.

Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.

Sea vs. Land Precipitation

The proximity of a location to a large body of water can significantly affect its rainfall patterns:

• Ocean Influence: Coastal regions typically receive more rainfall due to the presence of moisture-laden winds from the ocean. These regions tend to have more humid climates and experience more frequent precipitation, especially in winter.
• Continental Climates: Areas further from the sea, such as inland or continental regions, experience less frequent rainfall and more extreme seasonal variations in precipitation.

For more detailed information about Port Antonio’s weather, including sunshine hours, humidity levels, and temperature data, visit our Port Antonio Climate page.