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December Weather in Mariel, Cuba

Last updated: August 23, 2025

In December, the average temperature in Mariel, Cuba is a pleasant 23°C (74°F). Expect mild nights with minimums around 14°C (58°F), while daytime highs can reach a warm 29°C (85°F). Be prepared for some rain, as the area receives an average of 44 mm (1.7 in) of precipitation over approximately 6 days. With an average humidity of 80%, it’s a great time to enjoy the lush scenery and vibrant atmosphere!

December Temperature in Mariel

In December, in Mariel, the average temperature is 23°C (74°F). The maximum can reach 29°C (85°F), and the minimum can be as low as 14°C (58°F). This pleasant climate makes Mariel an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates December temperature patterns in Mariel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mariel, December typically has an average temperature of 23°C (74°F), with highs reaching up to 29°C (85°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec727575787981828281807774
Data source: Temperature data for Mariel 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 Mariel

In Mariel in December, the total precipitation amount is 44 mm (1.7 in) spread over 6 days.

December Precipitation Trends in Mariel

The chart displays monthly precipitation patterns in Mariel, 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 Mariel, December typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec2629153716711694991251165444
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mariel

In Mariel in December humidity is 80%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and muggy, where every step leaves you yearning for a cool breeze.

December Average Humidity in Mariel

This chart illustrates the average monthly humidity levels in Mariel, 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 Mariel is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%73%72%72%71%73%74%76%78%79%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mariel

In Mariel in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Mariel.

Maximum UV Index Levels in Mariel for December

The chart shows the monthly maximum UV Index (UVI) for Mariel 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 Mariel typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111212131212121187
Data source: Mariel 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 Mariel Compares to Other Months

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

This table compares monthly weather conditions in Mariel, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)26 mm (1.0 inches)78%high
February Weather24°C (75°F)29 mm (1.1 inches)77%very high
March Weather24°C (75°F)15 mm (0.6 inches)73%extreme
April Weather26°C (78°F)37 mm (1.5 inches)72%extreme
May Weather26°C (79°F)166 mm (6.6 inches)72%extreme
June Weather27°C (81°F)116 mm (4.5 inches)71%extreme
July Weather28°C (82°F)94 mm (3.7 inches)73%extreme
August Weather28°C (83°F)99 mm (3.9 inches)74%extreme
September Weather27°C (82°F)125 mm (4.9 inches)76%extreme
October Weather27°C (80°F)116 mm (4.6 inches)78%extreme
November Weather25°C (77°F)54 mm (2.1 inches)79%very high
December Weather23°C (74°F)44 mm (1.7 inches)80%high

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