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December Weather in El Arenal, Mexico

Last updated: August 27, 2025

In El Arenal, Mexico, the average temperature in December is a warm 26°C (79°F). Expect a pleasant range, with minimums dipping to 17°C (64°F) and maximums reaching up to 34°C (94°F). You'll experience a slight chance of rain, with an average precipitation of just 7 mm (0.3 in) over 1 day. Don't forget, the average humidity sits at a comfortable 75%!

December Temperature in El Arenal

In December in El Arenal, the average temperature is 26°C (79°F). Maximums can reach 34°C (94°F), while minimums can be as low as 17°C (64°F). This pleasant weather makes it an ideal time for outdoor activities and exploration.

December Weather in El Arenal: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in El Arenal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Arenal, December typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec798182848381828180808079
Data source: Temperature data for El Arenal 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 El Arenal

In El Arenal in December, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in El Arenal

The chart displays monthly precipitation patterns in El Arenal, 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 El Arenal, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec62820197295140215329392717
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in El Arenal

In El Arenal in December, humidity is 75%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making traveling a sticky experience where every step requires extra effort and frequent breaks to cool off.

December Average Humidity in El Arenal

This chart illustrates the average monthly humidity levels in El Arenal, 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 El Arenal is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%68%64%67%74%78%82%82%80%81%80%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Arenal

In El Arenal in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in El Arenal.

Maximum UV Index Levels in El Arenal for December

The chart shows the monthly maximum UV Index (UVI) for El Arenal 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 El Arenal typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141313131312109
Data source: El Arenal 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 El Arenal Compares to Other Months

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

This table compares monthly weather conditions in El Arenal, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)6 mm (0.2 inches)70%very high
February Weather27°C (81°F)2 mm (0.1 inches)68%extreme
March Weather28°C (82°F)7 mm (0.3 inches)64%extreme
April Weather29°C (84°F)20 mm (0.8 inches)67%extreme
May Weather28°C (83°F)197 mm (7.7 inches)74%extreme
June Weather27°C (81°F)295 mm (11.6 inches)78%extreme
July Weather28°C (82°F)140 mm (5.5 inches)81%extreme
August Weather27°C (81°F)215 mm (8.5 inches)82%extreme
September Weather27°C (81°F)329 mm (12.9 inches)80%extreme
October Weather27°C (80°F)392 mm (15.4 inches)81%extreme
November Weather27°C (80°F)71 mm (2.8 inches)80%very high
December Weather26°C (79°F)7 mm (0.3 inches)75%very high

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