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December Weather in Cuba, United States

Last updated: June 24, 2025

In December, the average temperature in Cuba, United States hovers around -2°C (29°F). Expect chilly conditions, with minimums plunging to -20°C (-3°F) and highs reaching up to 13°C (56°F). Rainfall is moderate, totalling 33 mm (1.3 in) over approximately 6 days, while the average humidity lingers at a brisk 79%. Prepare for a mix of winter weather!

December Temperature in Cuba

In December in Cuba, the average temperature is -2°C (29°F). Maximum temperatures can reach 13°C (56°F), while the minimum can drop as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures and dress in layers to stay comfortable during their visit.

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 -2°C (29°F), with highs reaching up to 13°C (56°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec262938485768716963493928
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 33 mm (1.3 in) over the course of 6 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 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec393744262118422241302233
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 79%. With an average temperature of -2°C (29°F), this humidity feels like a heavy, bone-chilling dampness that can make traveling quite uncomfortable and intensifies the cold.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
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 reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Cuba for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213131211864
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 Weather-3°C (26°F)38 mm (1.5 inches)78%moderate
February Weather-1°C (30°F)37 mm (1.4 inches)79%high
March Weather4°C (39°F)44 mm (1.7 inches)66%very high
April Weather9°C (48°F)26 mm (1.0 inches)60%extreme
May Weather14°C (58°F)21 mm (0.8 inches)57%extreme
June Weather20°C (68°F)18 mm (0.7 inches)55%extreme
July Weather21°C (71°F)42 mm (1.7 inches)56%extreme
August Weather21°C (69°F)21 mm (0.8 inches)65%extreme
September Weather17°C (63°F)41 mm (1.6 inches)72%extreme
October Weather10°C (50°F)30 mm (1.2 inches)78%very high
November Weather4°C (40°F)22 mm (0.9 inches)81%high
December Weather-2°C (29°F)33 mm (1.3 inches)79%moderate

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