May Weather in Guantanamo, Cuba

Last updated: August 23, 2025

In May, the average temperature in Guantanamo, Cuba is a pleasant 26°C (79°F). Expect temperatures to range from a minimum of 20°C (67°F) to a maximum of 34°C (93°F). Be prepared for some rain, as 203 mm (8.0 in) of precipitation can be expected over 18 days. The air remains quite moist, with an average humidity of 70%. Enjoy the warmth but don't forget your umbrella!

May Temperature in Guantanamo

In May in Guantanamo, the average temperature is 26°C (79°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 20°C (67°F). This makes Guantanamo a great destination for travelers looking to enjoy warm weather.

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

The chart illustrates May temperature patterns in Guantanamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guantanamo, May typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 20°C (67°F).

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

May Precipitation in Guantanamo

In Guantanamo in May, the precipitation amount is 203 mm (8.0 in) over the course of 18 days.

May Precipitation Trends in Guantanamo

The chart displays monthly precipitation patterns in Guantanamo, 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 Guantanamo, May typically receives around 203 mm (8.0 inches) of precipitation spread over approximately 18 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Guantanamo

In Guantanamo in May, humidity is 70%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures a bit sticky but also invigorating, requiring frequent breaks to hydrate and cool off.

May Average Humidity in Guantanamo

This chart illustrates the average monthly humidity levels in Guantanamo, 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 Guantanamo 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 Guantanamo

In Guantanamo 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 Guantanamo.

Maximum UV Index Levels in Guantanamo for May

The chart shows the monthly maximum UV Index (UVI) for Guantanamo 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 Guantanamo typically reaches 13, which falls under the extreme exposure category.

Data source: Guantanamo 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 Guantanamo Compares to Other Months

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

This table compares monthly weather conditions in Guantanamo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	21 mm (0.8 inches)	76%	very high
February Weather	24°C (76°F)	15 mm (0.6 inches)	74%	extreme
March Weather	24°C (76°F)	37 mm (1.4 inches)	72%	extreme
April Weather	26°C (78°F)	55 mm (2.2 inches)	72%	extreme
May Weather	26°C (79°F)	203 mm (8.0 inches)	70%	extreme
June Weather	27°C (81°F)	88 mm (3.4 inches)	73%	extreme
July Weather	28°C (82°F)	96 mm (3.8 inches)	78%	extreme
August Weather	28°C (82°F)	97 mm (3.8 inches)	81%	extreme
September Weather	27°C (81°F)	136 mm (5.4 inches)	80%	extreme
October Weather	26°C (80°F)	107 mm (4.2 inches)	80%	extreme
November Weather	25°C (78°F)	94 mm (3.7 inches)	82%	very high
December Weather	24°C (76°F)	36 mm (1.4 inches)	80%	very high