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December Weather in Mactun, Mexico

Last updated: August 27, 2025

In December, the average temperature in Mactun, Mexico is a pleasant 24°C (75°F). Expect a comfortable range where the minimum can dip to 12°C (54°F) and the maximum may soar to 34°C (93°F). However, be prepared for 42 mm (1.6 in) of precipitation spread over 10 days, contributing to an average humidity level of 86%.

December Temperature in Mactun

In December in Mactun, the average temperature is 24°C (75°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 12°C (54°F). It's a great time to explore and enjoy outdoor activities in Mactun.

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

The chart illustrates December temperature patterns in Mactun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mactun, December typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec747881868883838382807675
Data source: Temperature data for Mactun 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 Mactun

In Mactun in December, the precipitation amount is 42 mm (1.6 in) over the course of 10 days.

December Precipitation Trends in Mactun

The chart displays monthly precipitation patterns in Mactun, 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 Mactun, December typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec492321439729710716923322810242
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mactun

In Mactun in December, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

December Average Humidity in Mactun

This chart illustrates the average monthly humidity levels in Mactun, 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 Mactun is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mactun

In Mactun in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Mactun.

Maximum UV Index Levels in Mactun for December

The chart shows the monthly maximum UV Index (UVI) for Mactun 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 Mactun typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Mactun 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 Mactun Compares to Other Months

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

This table compares monthly weather conditions in Mactun, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)49 mm (1.9 inches)84%very high
February Weather25°C (78°F)23 mm (0.9 inches)73%extreme
March Weather27°C (81°F)21 mm (0.8 inches)59%extreme
April Weather30°C (86°F)43 mm (1.7 inches)52%extreme
May Weather31°C (88°F)97 mm (3.8 inches)53%extreme
June Weather28°C (83°F)297 mm (11.7 inches)55%extreme
July Weather28°C (83°F)107 mm (4.2 inches)61%extreme
August Weather28°C (83°F)169 mm (6.7 inches)71%extreme
September Weather28°C (82°F)233 mm (9.2 inches)77%extreme
October Weather27°C (80°F)228 mm (9.0 inches)78%extreme
November Weather25°C (76°F)102 mm (4.0 inches)82%very high
December Weather24°C (75°F)42 mm (1.6 inches)86%very high

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