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December Weather in Cuba, United States

Last updated: June 24, 2025

In Cuba, United States, the average temperature in December hovers around 4°C (40°F). Expect a chilly minimum of -15°C (5°F) and a warm maximum reaching 25°C (77°F). With an average humidity of 86% and precipitation totaling 58 mm (2.3 in) over about 7 days, be prepared for a potentially damp and brisk environment!

December Temperature in Cuba

In December in Cuba, the average temperature is 4°C (40°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -15°C (5°F). Be prepared for a wide range of temperatures when traveling during this time, and pack accordingly.

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 4°C (40°F), with highs reaching up to 25°C (77°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556675797572584540
Data source: Temperature data for Cuba generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Cuba

In Cuba in December, the precipitation amount is 58 mm (2.3 in) over the course of 7 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 58 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec77901321401778589110571106858
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Cuba

In Cuba in December humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

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 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)77 mm (3.0 inches)83%moderate
February Weather2°C (37°F)90 mm (3.6 inches)81%moderate
March Weather9°C (48°F)132 mm (5.2 inches)80%high
April Weather13°C (55°F)140 mm (5.5 inches)80%very high
May Weather19°C (66°F)177 mm (7.0 inches)83%very high
June Weather24°C (75°F)85 mm (3.3 inches)83%extreme
July Weather26°C (79°F)89 mm (3.5 inches)76%extreme
August Weather24°C (76°F)110 mm (4.3 inches)69%very high
September Weather22°C (72°F)57 mm (2.2 inches)68%very high
October Weather15°C (59°F)110 mm (4.3 inches)72%high
November Weather7°C (45°F)68 mm (2.7 inches)83%moderate
December Weather4°C (40°F)58 mm (2.3 inches)86%moderate

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