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December Weather in San Antonio Millet, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Antonio Millet, Mexico hovers around 24°C (75°F). While the mercury can dip to a chilly 12°C (54°F), it can also soar to a hot 34°C (94°F). Expect about 17 mm (0.7 in) of precipitation over 4 days, accompanied by a high average humidity of 86%, creating a lush and vibrant atmosphere.

December Temperature in San Antonio Millet

In December in San Antonio Millet, the average temperature is 24°C (75°F). Maximums can reach 34°C (94°F), while minimums can go as low as 12°C (54°F). It's a great time to explore outdoor activities and enjoy pleasant weather.

December Weather in San Antonio Millet: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Antonio Millet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio Millet, December typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (94°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec747779838483838382817775
Data source: Temperature data for San Antonio Millet 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 Antonio Millet

In San Antonio Millet in December, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

December Precipitation Trends in San Antonio Millet

The chart displays monthly precipitation patterns in San Antonio Millet, 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 Antonio Millet, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec251062947151711071021183917
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Antonio Millet

In San Antonio Millet 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 San Antonio Millet

This chart illustrates the average monthly humidity levels in San Antonio Millet, 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 Antonio Millet is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%71%70%68%69%74%81%82%83%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Antonio Millet

In San Antonio Millet in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Antonio Millet.

Maximum UV Index Levels in San Antonio Millet for December

The chart shows the monthly maximum UV Index (UVI) for San Antonio Millet 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 Antonio Millet typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313131312121187
Data source: San Antonio Millet 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 Antonio Millet Compares to Other Months

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

This table compares monthly weather conditions in San Antonio Millet, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)25 mm (1.0 inches)81%very high
February Weather25°C (77°F)10 mm (0.4 inches)78%very high
March Weather26°C (80°F)6 mm (0.2 inches)71%extreme
April Weather28°C (83°F)29 mm (1.2 inches)70%extreme
May Weather29°C (85°F)47 mm (1.9 inches)68%extreme
June Weather28°C (83°F)151 mm (6.0 inches)69%extreme
July Weather28°C (83°F)71 mm (2.8 inches)74%extreme
August Weather28°C (83°F)107 mm (4.2 inches)81%extreme
September Weather28°C (83°F)102 mm (4.0 inches)82%extreme
October Weather27°C (81°F)117 mm (4.6 inches)83%extreme
November Weather25°C (77°F)39 mm (1.5 inches)84%very high
December Weather24°C (75°F)17 mm (0.7 inches)86%high

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