December Weather in Cuba, Portugal

Last updated: August 27, 2025

In December, the average temperature in Cuba, Portugal hovers around 11°C (53°F). Visitors can expect a chilly minimum of 0°C (32°F) and a pleasant maximum of 21°C (70°F). With an average precipitation of 54 mm (2.1 in) spread across 8 days, it's wise to keep an umbrella handy. Don't forget, the average humidity lingers around a notable 85%, adding to the overall atmosphere of the season.

December Temperature in Cuba

In December in Cuba, the average temperature is 11°C (53°F). Maximums can reach 21°C (70°F), while minimums can drop as low as 0°C (32°F). Travelers should pack layers to accommodate the range of temperatures and be prepared for both mild days and chilly evenings.

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

The chart illustrates December 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, December typically has an average temperature of 11°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 0°C (32°F).

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

December Precipitation in Cuba

In Cuba in December, the total precipitation amount reaches 54 mm (2.1 in) over a span of 8 days.

December Precipitation Trends in Cuba

The chart displays monthly precipitation patterns in Cuba, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Cuba, December typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 8 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Cuba

In Cuba in December humidity is 85%. With an average temperature of 11°C (53°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and creating a dampness in the air that can be exhausting for travelers.

December Average Humidity in Cuba

This chart illustrates the average monthly humidity levels in Cuba, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Cuba is approximately 85%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Cuba

In Cuba in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Cuba, you can check the information here.

Maximum UV Index Levels in Cuba for December

The chart shows the monthly maximum UV Index (UVI) for Cuba in December, 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 December, the maximum UV index in Cuba typically reaches 3, which falls under the moderate exposure category.

Data source: Cuba December 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 December 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 December’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 December’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