December Weather in El Triunfo, Mexico

Last updated: August 27, 2025

In December, the average temperature in El Triunfo, Mexico is a comfortable 17°C (63°F). You can expect minimums dipping to 4°C (39°F) and maximums soaring up to 30°C (86°F). With an average humidity of 81%, it's a great time to enjoy the environment, but don’t forget to prepare for the possibility of 8 mm (0.3 in) of precipitation over about 1 day!

December Temperature in El Triunfo

In December in El Triunfo, the average temperature is 17°C (63°F). Maximums can reach 30°C (86°F), while minimums can drop to 4°C (39°F). This makes it a suitable time for travelers to enjoy a comfortable climate with the possibility of both warm and cool experiences.

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

The chart illustrates December temperature patterns in El Triunfo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Triunfo, December typically has an average temperature of 17°C (63°F), with highs reaching up to 30°C (86°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec626469768088929288817263
Data source: Temperature data for El Triunfo 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 Triunfo

In El Triunfo in December, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in El Triunfo

The chart displays monthly precipitation patterns in El Triunfo, 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 Triunfo, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec12111300520213914138
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in El Triunfo

In El Triunfo in December humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

December Average Humidity in El Triunfo

This chart illustrates the average monthly humidity levels in El Triunfo, 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 Triunfo is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%68%56%42%36%33%47%71%80%73%75%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Triunfo

In El Triunfo in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in El Triunfo.

Maximum UV Index Levels in El Triunfo for December

The chart shows the monthly maximum UV Index (UVI) for El Triunfo 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 Triunfo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810121212121211965
Data source: El Triunfo 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 Triunfo Compares to Other Months

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

This table compares monthly weather conditions in El Triunfo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (62°F)12 mm (0.5 inches)76%moderate
February Weather18°C (64°F)11 mm (0.4 inches)68%very high
March Weather20°C (69°F)13 mm (0.5 inches)56%very high
April Weather24°C (76°F)0 mm (0.0 inches)42%extreme
May Weather27°C (80°F)0 mm (0.0 inches)36%extreme
June Weather31°C (88°F)5 mm (0.2 inches)33%extreme
July Weather33°C (92°F)20 mm (0.8 inches)47%extreme
August Weather34°C (93°F)21 mm (0.8 inches)71%extreme
September Weather31°C (88°F)39 mm (1.5 inches)80%extreme
October Weather27°C (81°F)14 mm (0.5 inches)73%very high
November Weather22°C (72°F)13 mm (0.5 inches)75%high
December Weather17°C (63°F)8 mm (0.3 inches)81%moderate

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