May Weather in Cuba, United States

Last updated: June 24, 2025

In May, the average temperature in Cuba, United States hovers around 14°C (57°F). Expect a range from a brisk -4°C (25°F) to a warm 30°C (86°F). With 119 mm (4.7 in) of precipitation spread over 15 days, it's advisable to keep an umbrella handy. The atmosphere tends to be quite humid, with an average humidity of 82%.

May Temperature in Cuba

In May in Cuba, the average temperature is 14°C (57°F), with maximums that can reach 30°C (86°F) and minimums that can drop as low as -4°C (25°F). This varied climate makes it essential for travelers to pack both light and warm clothing to ensure comfort during their stay.

May Weather in Cuba: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Cuba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cuba, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (25°F).

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

May Precipitation in Cuba

In Cuba in May, the precipitation amount is 119 mm (4.7 in) over a span of 15 days.

May Precipitation Trends in Cuba

The chart displays monthly precipitation patterns in Cuba, 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 Cuba, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 15 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 Cuba

In Cuba in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Cuba

This chart illustrates the average monthly humidity levels in Cuba, 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 Cuba is approximately 82%, 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 Cuba

In Cuba in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Cuba.

Maximum UV Index Levels in Cuba for May

The chart shows the monthly maximum UV Index (UVI) for Cuba 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 Cuba typically reaches 10, which falls under the very high exposure category.

Data source: Cuba 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 Cuba Compares to Other Months

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

This table compares monthly weather conditions in Cuba, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	82 mm (3.2 inches)	91%	moderate
February Weather	-3°C (27°F)	95 mm (3.7 inches)	91%	moderate
March Weather	1°C (34°F)	84 mm (3.3 inches)	88%	high
April Weather	7°C (44°F)	112 mm (4.4 inches)	88%	very high
May Weather	14°C (57°F)	119 mm (4.7 inches)	82%	very high
June Weather	18°C (65°F)	107 mm (4.2 inches)	79%	very high
July Weather	21°C (70°F)	117 mm (4.6 inches)	77%	very high
August Weather	20°C (68°F)	90 mm (3.6 inches)	72%	very high
September Weather	17°C (62°F)	79 mm (3.1 inches)	76%	very high
October Weather	11°C (52°F)	129 mm (5.1 inches)	83%	high
November Weather	3°C (37°F)	92 mm (3.6 inches)	88%	moderate
December Weather	-1°C (30°F)	91 mm (3.6 inches)	87%	low