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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 0°C (32°F), with a minimum drop to -21°C (-6°F) and a pleasant maximum reaching 19°C (66°F). Expect about 53 mm (2.1 in) of precipitation over 7 days, and prepare for a relatively high average humidity of 81%.

December Temperature in Cuba

In December in Cuba, the average temperature is 0°C (32°F). Maximum temperatures can reach 19°C (66°F), while the minimum can drop as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures and dress accordingly to enjoy 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 0°C (32°F), with highs reaching up to 19°C (66°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec242638475970757267533832
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 total precipitation amount is 53 mm (2.1 in) spread over a period 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 53 mm (2.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec6159711151631149191891215053
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 81%. With an average temperature of 0°C (32°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Cuba, you can visit Hourly UV Index in Cuba.

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 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
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-4°C (24°F)61 mm (2.4 inches)85%moderate
February Weather-3°C (27°F)59 mm (2.3 inches)85%moderate
March Weather3°C (38°F)71 mm (2.8 inches)85%high
April Weather8°C (47°F)114 mm (4.5 inches)85%very high
May Weather15°C (60°F)163 mm (6.4 inches)78%very high
June Weather21°C (71°F)114 mm (4.5 inches)80%very high
July Weather24°C (75°F)91 mm (3.6 inches)78%very high
August Weather22°C (73°F)91 mm (3.6 inches)76%very high
September Weather19°C (67°F)89 mm (3.5 inches)79%very high
October Weather12°C (54°F)121 mm (4.8 inches)83%moderate
November Weather3°C (38°F)50 mm (2.0 inches)88%moderate
December Weather0°C (32°F)53 mm (2.1 inches)81%low

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