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December Weather in San Cristobal Amatlan, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Cristobal Amatlan, Mexico is a mild 16°C (61°F), with a range that can dip to a cool 6°C (44°F) and peak at a warm 27°C (80°F). Expect 13 mm (0.5 in) of precipitation spread over 2 days, along with a high average humidity of 88%, making for a lush and lively atmosphere.

December Temperature in San Cristobal Amatlan

In December in San Cristobal Amatlan, the average temperature is 16°C (61°F). Maximums can reach 27°C (80°F), while minimums can dip as low as 6°C (44°F). This makes it a great time for travelers to enjoy mild weather and explore outdoor activities.

December Weather in San Cristobal Amatlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Cristobal Amatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cristobal Amatlan, December typically has an average temperature of 16°C (61°F), with highs reaching up to 27°C (80°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec606264666665646464646261
Data source: Temperature data for San Cristobal Amatlan 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 San Cristobal Amatlan

In San Cristobal Amatlan in December, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

December Precipitation Trends in San Cristobal Amatlan

The chart displays monthly precipitation patterns in San Cristobal Amatlan, 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 San Cristobal Amatlan, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec15818973326744826896353261913
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Cristobal Amatlan

In San Cristobal Amatlan in December, humidity is 88%. With an average temperature of 16°C (61°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you may find yourself constantly wiping away beads of sweat while trying to enjoy the sights.

December Average Humidity in San Cristobal Amatlan

This chart illustrates the average monthly humidity levels in San Cristobal Amatlan, 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 San Cristobal Amatlan is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Cristobal Amatlan

In San Cristobal Amatlan in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Cristobal Amatlan.

Maximum UV Index Levels in San Cristobal Amatlan for December

The chart shows the monthly maximum UV Index (UVI) for San Cristobal Amatlan 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 San Cristobal Amatlan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151515151415131110
Data source: San Cristobal Amatlan 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 San Cristobal Amatlan Compares to Other Months

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

This table compares monthly weather conditions in San Cristobal Amatlan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)15 mm (0.6 inches)84%extreme
February Weather17°C (62°F)8 mm (0.3 inches)80%extreme
March Weather18°C (64°F)18 mm (0.7 inches)73%extreme
April Weather19°C (66°F)97 mm (3.8 inches)67%extreme
May Weather19°C (67°F)332 mm (13.1 inches)72%extreme
June Weather18°C (65°F)674 mm (26.5 inches)73%extreme
July Weather18°C (65°F)482 mm (19.0 inches)76%extreme
August Weather18°C (64°F)689 mm (27.1 inches)80%extreme
September Weather18°C (65°F)635 mm (25.0 inches)84%extreme
October Weather18°C (64°F)326 mm (12.8 inches)89%extreme
November Weather17°C (62°F)19 mm (0.7 inches)88%extreme
December Weather16°C (61°F)13 mm (0.5 inches)88%very high

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