May Weather in Old Harbour, Jamaica

Last updated: August 23, 2025

In Old Harbour, Jamaica, the average temperature in May hovers around 26°C (79°F). Expect a comfortable climate with minimums dipping to 22°C (72°F) and maximums peaking at 32°C (89°F). While you enjoy the warmth, be prepared for 112 mm (4.4 in) of precipitation over 14 days, contributing to an average humidity level of 77%.

May Temperature in Old Harbour

In May in Old Harbour, the average temperature is 26°C (79°F). Maximum temperatures can reach 32°C (89°F), while minimums can drop to 22°C (72°F). This makes it an ideal time to visit for travelers looking for warm and pleasant weather.

May Weather in Old Harbour: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Old Harbour, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Old Harbour, May typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (89°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Old Harbour generated using information from the Copernicus Climate Change Service.

May Precipitation in Old Harbour

In Old Harbour in May, the precipitation amount is 112 mm (4.4 in) spread over 14 days.

May Precipitation Trends in Old Harbour

The chart displays monthly precipitation patterns in Old Harbour, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Old Harbour, May typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Old Harbour

In Old Harbour in May humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

May Average Humidity in Old Harbour

This chart illustrates the average monthly humidity levels in Old Harbour, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Old Harbour is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Old Harbour

In Old Harbour in May, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Old Harbour.

Maximum UV Index Levels in Old Harbour for May

The chart shows the monthly maximum UV Index (UVI) for Old Harbour in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Old Harbour typically reaches 13, which falls under the extreme exposure category.

Data source: Old Harbour May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Old Harbour Compares to Other Months

Weather in Old Harbour varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Old Harbour, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Old Harbour, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	25 mm (1.0 inches)	76%	very high
February Weather	25°C (77°F)	24 mm (0.9 inches)	76%	extreme
March Weather	25°C (77°F)	37 mm (1.4 inches)	75%	extreme
April Weather	25°C (78°F)	71 mm (2.8 inches)	76%	extreme
May Weather	26°C (79°F)	112 mm (4.4 inches)	77%	extreme
June Weather	27°C (81°F)	49 mm (1.9 inches)	79%	extreme
July Weather	28°C (82°F)	37 mm (1.5 inches)	79%	extreme
August Weather	28°C (82°F)	90 mm (3.6 inches)	78%	extreme
September Weather	27°C (81°F)	122 mm (4.8 inches)	77%	extreme
October Weather	26°C (79°F)	185 mm (7.3 inches)	76%	extreme
November Weather	26°C (79°F)	110 mm (4.3 inches)	78%	very high
December Weather	25°C (78°F)	28 mm (1.1 inches)	77%	very high