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December Weather in Santiaguillo, Mexico

Last updated: August 27, 2025

In December, the average temperature in Santiaguillo, Mexico is a pleasant 14°C (57°F), with temperatures ranging from a chilly 1°C (34°F) to a warm 27°C (80°F). Expect a modest precipitation amount of 6 mm (0.3 in) spread over just 1 day, while the air maintains a comfortable average humidity of 74%.

December Temperature in Santiaguillo

In December in Santiaguillo, the average temperature is 14°C (57°F). Maximums can reach 27°C (80°F), while minimums can drop as low as 1°C (34°F). Whether you're planning outdoor activities or cozy indoor experiences, be prepared for a wide range of temperatures during your visit.

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

The chart illustrates December temperature patterns in Santiaguillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiaguillo, December typically has an average temperature of 14°C (57°F), with highs reaching up to 27°C (80°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec576065687068656564636057
Data source: Temperature data for Santiaguillo 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 Santiaguillo

In Santiaguillo in December, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in Santiaguillo

The chart displays monthly precipitation patterns in Santiaguillo, 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 Santiaguillo, December typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec111217105418028626222779357
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santiaguillo

In Santiaguillo in December, humidity is 74%. With an average temperature of 14°C (57°F), this humidity feels like a warm, damp blanket wrapping around you, making it slightly uncomfortable for traveling, as you may find yourself quickly sweating and in need of frequent breaks to cool down.

December Average Humidity in Santiaguillo

This chart illustrates the average monthly humidity levels in Santiaguillo, 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 Santiaguillo is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santiaguillo

In Santiaguillo 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 Santiaguillo.

Maximum UV Index Levels in Santiaguillo for December

The chart shows the monthly maximum UV Index (UVI) for Santiaguillo 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 Santiaguillo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911141514141413141298
Data source: Santiaguillo 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 Santiaguillo Compares to Other Months

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

This table compares monthly weather conditions in Santiaguillo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)11 mm (0.4 inches)70%very high
February Weather16°C (61°F)12 mm (0.5 inches)64%extreme
March Weather18°C (65°F)17 mm (0.7 inches)54%extreme
April Weather20°C (68°F)10 mm (0.4 inches)61%extreme
May Weather21°C (70°F)54 mm (2.1 inches)75%extreme
June Weather20°C (68°F)180 mm (7.1 inches)83%extreme
July Weather18°C (65°F)285 mm (11.2 inches)83%extreme
August Weather18°C (65°F)262 mm (10.3 inches)85%extreme
September Weather18°C (65°F)227 mm (9.0 inches)85%extreme
October Weather17°C (64°F)78 mm (3.1 inches)79%extreme
November Weather16°C (60°F)35 mm (1.4 inches)76%very high
December Weather14°C (57°F)6 mm (0.3 inches)74%very high

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