Water temperature in Port Antonio in May

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Is it warm enough to swim in Port Antonio in May? Average water temperature in Port Antonio in May is 28.1°C and therefore suitable for comfortable swimming. The warmest sea in Port Antonio in May is 29.7°C, and the coldest is 26.8°C. Average high air temperature in Port Antonio in May is 30°C, and average low temperature is 21°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Port Antonio

Changes water temperature in Port Antonio in May 2025, 2024

To get an accurate forecast for the water temperature in Port Antonio for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Port Antonio, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 May	27.6°C	28.2°C	26.8°C	28.2°C
2 May	27.6°C	28.1°C	26.9°C	28.6°C
3 May	27.6°C	28.2°C	27.1°C	28.4°C
4 May	27.5°C	28.2°C	27.2°C	28.4°C
5 May	27.6°C	28.2°C	27.3°C	28.6°C
6 May	27.6°C	28.3°C	27.1°C	28.9°C
7 May	27.8°C	28.4°C	27.1°C	28.6°C
8 May	28°C	28.5°C	27.1°C	28.8°C
9 May	28.1°C	28.6°C	27.1°C	28.8°C
10 May	28.1°C	28.6°C	27.3°C	28.7°C
11 May	28.3°C	28.7°C	27.3°C	28.7°C
12 May	28.4°C	28.7°C	27.3°C	28.8°C
13 May	28.3°C	28.8°C	27.4°C	28.8°C
14 May	28.2°C	28.7°C	27.4°C	28.7°C
15 May	28.3°C	28.9°C	27.3°C	28.9°C

Day	2025	2024	Min	Max
16 May	28.5°C	28.7°C	27.3°C	28.7°C
17 May	28.6°C	28.6°C	27.4°C	28.7°C
18 May	28.9°C	28.8°C	27.3°C	28.9°C
19 May	28.9°C	29°C	27.6°C	29°C
20 May	28.9°C	29°C	27.5°C	29°C
21 May	28.8°C	28.9°C	27.6°C	29.1°C
22 May	29°C	28.9°C	27.3°C	29.3°C
23 May	29°C	29°C	27.4°C	29.4°C
24 May	29°C	28.9°C	27.3°C	29.5°C
25 May	29°C	29.2°C	27.5°C	29.7°C
26 May	29.1°C	29.2°C	27.4°C	29.7°C
27 May	29.1°C	29.1°C	27.5°C	29.5°C
28 May	29.2°C	29°C	27.5°C	29.3°C
29 May	29.2°C	29°C	27.7°C	29.2°C
30 May	29.2°C	29.2°C	27.6°C	29.2°C
31 May	29.1°C	29.3°C	27.4°C	29.3°C

Average water temperature in Port Antonio in May over a decade

2016	2017	2018	2019	2020
28.3°C	27.8°C	27.8°C	27.9°C	28.5°C

2021	2022	2023	2024	2025
28.1°C	27.9°C	28.8°C	28.7°C	28.5°C

Port Antonio sea state in May

Chart comparing the height of waves in Port Antonio in May over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Weather and climate in Port Antonio in May

This data display average monthly climate indicators in Port Antonio in May based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature30°C
Average LOW temperature21°C
Average rainfall days12 days
Average rainfall10.9''/277mm
Average daylight13h
Average sunshine7h
Average UV index12

Port Antonio water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in May. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Morant Bay	28.2°C	26.9°C	29.5°C
Yallahs	28.2°C	26.9°C	29.6°C
Port Maria	28.2°C	26.9°C	29.7°C
Portmore	28.3°C	27°C	30°C
Oracabessa	28.1°C	26.9°C	29.6°C
Ocho Rios	28.1°C	26.9°C	29.5°C
Old Harbour Bay	28.6°C	27.2°C	30.6°C
Saint Anns Bay	28.2°C	26.9°C	29.6°C
Rocky Point	28.5°C	27.3°C	30.3°C
Runaway Bay	28.2°C	26.9°C	29.8°C

Port Antonio photo gallery

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Our report for Port Antonio is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature