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December Weather in El Tesoro, Mexico

Last updated: August 27, 2025

In El Tesoro, Mexico, the average temperature in December is a pleasant 23°C (73°F), with minimums dipping to 12°C (54°F) and maximums soaring up to 34°C (93°F). Expect 47 mm (1.8 in) of precipitation across 10 days, accompanied by high humidity levels averaging 91%. Whether you're preparing for the heat or the occasional rain, make sure to pack accordingly!

December Temperature in El Tesoro

In December in El Tesoro, the average temperature is 23°C (73°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 12°C (54°F). This mild climate makes El Tesoro an ideal destination for travelers seeking pleasant weather and outdoor activities.

December Weather in El Tesoro: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in El Tesoro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Tesoro, December typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec727478828583828281807573
Data source: Temperature data for El Tesoro 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 El Tesoro

In El Tesoro in December, the total precipitation amount is 47 mm (1.8 in) spread over a period of 10 days.

December Precipitation Trends in El Tesoro

The chart displays monthly precipitation patterns in El Tesoro, 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 El Tesoro, December typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec524426346427022425931828413347
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in El Tesoro

In El Tesoro in December, humidity is 91%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making travel feel sticky and exhausting, as the heat clings to your skin and draining your energy with every step.

December Average Humidity in El Tesoro

This chart illustrates the average monthly humidity levels in El Tesoro, 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 El Tesoro is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Tesoro

In El Tesoro 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 El Tesoro.

Maximum UV Index Levels in El Tesoro for December

The chart shows the monthly maximum UV Index (UVI) for El Tesoro 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 El Tesoro typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911121313131412131198
Data source: El Tesoro 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 El Tesoro Compares to Other Months

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

This table compares monthly weather conditions in El Tesoro, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)52 mm (2.0 inches)88%very high
February Weather24°C (75°F)44 mm (1.7 inches)86%extreme
March Weather25°C (78°F)26 mm (1.0 inches)84%extreme
April Weather28°C (83°F)34 mm (1.3 inches)81%extreme
May Weather30°C (86°F)64 mm (2.5 inches)82%extreme
June Weather28°C (83°F)270 mm (10.6 inches)81%extreme
July Weather28°C (82°F)224 mm (8.8 inches)81%extreme
August Weather28°C (82°F)259 mm (10.2 inches)82%extreme
September Weather27°C (82°F)318 mm (12.5 inches)86%extreme
October Weather26°C (80°F)284 mm (11.2 inches)90%extreme
November Weather24°C (75°F)133 mm (5.2 inches)91%very high
December Weather23°C (73°F)47 mm (1.8 inches)91%very high

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