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December Weather in San Juan Cabeza del Rio, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Juan Cabeza del Rio, Mexico is a pleasant 23°C (73°F). Expect temperatures to range from a cool 11°C (52°F) to a warm 33°C (92°F). During this month, anticipate approximately 20 mm (0.8 in) of precipitation spread over 4 days, contributing to an average humidity of 70%. Overall, it's a time of year that balances warmth with refreshing rain.

December Temperature in San Juan Cabeza del Rio

In December in San Juan Cabeza del Rio, the average temperature is 23°C (73°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop to as low as 11°C (52°F). This pleasant climate makes San Juan Cabeza del Rio an ideal destination for travelers seeking warm weather and outdoor activities.

December Weather in San Juan Cabeza del Rio: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Juan Cabeza del Rio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Juan Cabeza del Rio, December typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec737577797975757474747473
Data source: Temperature data for San Juan Cabeza del Rio 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 Juan Cabeza del Rio

In San Juan Cabeza del Rio in December, the total precipitation amount is 20 mm (0.8 in) spread over a period of 4 days.

December Precipitation Trends in San Juan Cabeza del Rio

The chart displays monthly precipitation patterns in San Juan Cabeza del Rio, 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 Juan Cabeza del Rio, December typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec10512141314704406105854085920
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Juan Cabeza del Rio

In San Juan Cabeza del Rio in December humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

December Average Humidity in San Juan Cabeza del Rio

This chart illustrates the average monthly humidity levels in San Juan Cabeza del Rio, 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 Juan Cabeza del Rio is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Juan Cabeza del Rio

In San Juan Cabeza del Rio in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Juan Cabeza del Rio.

Maximum UV Index Levels in San Juan Cabeza del Rio for December

The chart shows the monthly maximum UV Index (UVI) for San Juan Cabeza del Rio 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 Juan Cabeza del Rio typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131312109
Data source: San Juan Cabeza del Rio 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 Juan Cabeza del Rio Compares to Other Months

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

This table compares monthly weather conditions in San Juan Cabeza del Rio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)10 mm (0.4 inches)65%very high
February Weather24°C (75°F)4 mm (0.2 inches)61%extreme
March Weather25°C (77°F)12 mm (0.5 inches)59%extreme
April Weather26°C (79°F)14 mm (0.5 inches)62%extreme
May Weather26°C (79°F)131 mm (5.1 inches)73%extreme
June Weather24°C (75°F)470 mm (18.5 inches)78%extreme
July Weather24°C (75°F)439 mm (17.3 inches)79%extreme
August Weather23°C (74°F)610 mm (24.0 inches)82%extreme
September Weather23°C (74°F)585 mm (23.0 inches)82%extreme
October Weather23°C (74°F)408 mm (16.1 inches)79%extreme
November Weather23°C (74°F)59 mm (2.3 inches)72%very high
December Weather23°C (73°F)20 mm (0.8 inches)70%very high

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