May Weather in Cuba, Portugal

Last updated: August 27, 2025

In May, the average temperature in Cuba, Portugal hovers around 19°C (67°F), offering a comfortable climate. Expect temperatures to vary, with a minimum of 6°C (43°F) and a maximum reaching up to 35°C (95°F). While you enjoy the warmth, be prepared for some light rain, as 27 mm (1.1 in) of precipitation can fall over 6 days. The average humidity level sits at around 70%, adding a touch of mugginess to the air.

May Temperature in Cuba

In May in Cuba, the average temperature is 19°C (67°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 6°C (43°F). This diverse temperature range makes it advisable to pack for both warm and cooler conditions to fully enjoy your travels.

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 19°C (67°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°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 27 mm (1.1 in) over a period of 6 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 27 mm (1.1 inches) of precipitation spread over approximately 6 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 70%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making traveling somewhat uncomfortable and sticky, as the air feels dense and every movement requires a bit more effort.

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 70%, 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	10°C (49°F)	29 mm (1.2 inches)	85%	moderate
February Weather	12°C (54°F)	47 mm (1.8 inches)	75%	moderate
March Weather	13°C (56°F)	84 mm (3.3 inches)	72%	high
April Weather	15°C (60°F)	65 mm (2.5 inches)	70%	very high
May Weather	19°C (67°F)	27 mm (1.1 inches)	70%	very high
June Weather	21°C (71°F)	11 mm (0.4 inches)	63%	extreme
July Weather	24°C (75°F)	2 mm (0.1 inches)	60%	very high
August Weather	25°C (77°F)	2 mm (0.1 inches)	60%	very high
September Weather	23°C (74°F)	19 mm (0.8 inches)	67%	very high
October Weather	19°C (67°F)	46 mm (1.8 inches)	74%	high
November Weather	14°C (57°F)	53 mm (2.1 inches)	83%	moderate
December Weather	11°C (53°F)	54 mm (2.1 inches)	85%	moderate