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December Weather in Chalchihuites, Mexico

Last updated: August 26, 2025

In December, the average temperature in Chalchihuites, Mexico is a cool 11°C (51°F). Temperatures can swing from a chilly -7°C (19°F) at their lowest to a pleasant 25°C (78°F) at their highest. Expect some precipitation as well, with around 12 mm (0.5 in) falling over 1 day. The air remains quite humid, with an average humidity of 83%, creating a crisp and invigorating atmosphere.

December Temperature in Chalchihuites

In December in Chalchihuites, the average temperature is 11°C (51°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -7°C (19°F). This variation offers a unique opportunity for travelers to experience both the warmth of spring days and the chill of cooler nights, making it essential to pack layered clothing for comfort during your visit.

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

The chart illustrates December temperature patterns in Chalchihuites, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chalchihuites, December typically has an average temperature of 11°C (51°F), with highs reaching up to 25°C (78°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec505460636768646462605551
Data source: Temperature data for Chalchihuites 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 Chalchihuites

In Chalchihuites in December, the precipitation amount is 12 mm (0.5 in) over the course of 1 day.

December Precipitation Trends in Chalchihuites

The chart displays monthly precipitation patterns in Chalchihuites, 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 Chalchihuites, December typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1714742081251154214771812
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chalchihuites

In Chalchihuites in December, humidity is 83%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making any outdoor adventures a bit uncomfortable and best enjoyed with layered clothing and a light raincoat.

December Average Humidity in Chalchihuites

This chart illustrates the average monthly humidity levels in Chalchihuites, 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 Chalchihuites is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chalchihuites

In Chalchihuites 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 Chalchihuites.

Maximum UV Index Levels in Chalchihuites for December

The chart shows the monthly maximum UV Index (UVI) for Chalchihuites 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 Chalchihuites typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131515141414141298
Data source: Chalchihuites 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 Chalchihuites Compares to Other Months

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

This table compares monthly weather conditions in Chalchihuites, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)17 mm (0.7 inches)71%very high
February Weather12°C (55°F)14 mm (0.6 inches)64%extreme
March Weather15°C (60°F)7 mm (0.3 inches)49%extreme
April Weather17°C (63°F)4 mm (0.1 inches)47%extreme
May Weather19°C (67°F)20 mm (0.8 inches)55%extreme
June Weather20°C (69°F)81 mm (3.2 inches)77%extreme
July Weather18°C (64°F)251 mm (9.9 inches)82%extreme
August Weather18°C (65°F)154 mm (6.1 inches)83%extreme
September Weather17°C (62°F)214 mm (8.4 inches)86%extreme
October Weather16°C (61°F)77 mm (3.0 inches)83%extreme
November Weather13°C (56°F)18 mm (0.7 inches)80%very high
December Weather11°C (51°F)12 mm (0.5 inches)83%very high

Compare Chalchihuites's Climate with Cities Worldwide