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December Weather in Tonalapa del Sur, Mexico

Last updated: August 27, 2025

In Tonalapa del Sur, Mexico, the average temperature in December hovers around 23°C (74°F). Expect a minimum drop to 10°C (50°F) and a peak reaching up to 34°C (93°F). With just 1 mm (0.0 in) of precipitation over 0 days, the weather remains relatively dry, complemented by an average humidity level of 70%. Enjoy the pleasant climate!

December Temperature in Tonalapa del Sur

In December in Tonalapa del Sur, the average temperature is 23°C (74°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 10°C (50°F). Be sure to pack layers to enjoy both warm days and cooler nights during your travels.

December Weather in Tonalapa del Sur: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tonalapa del Sur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonalapa del Sur, December typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec747780838379787876777674
Data source: Temperature data for Tonalapa del Sur 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 Tonalapa del Sur

In Tonalapa del Sur in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in Tonalapa del Sur

The chart displays monthly precipitation patterns in Tonalapa del Sur, 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 Tonalapa del Sur, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1412261429817717882131
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tonalapa del Sur

In Tonalapa del Sur in December humidity is 70%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still bearable for traveling.

December Average Humidity in Tonalapa del Sur

This chart illustrates the average monthly humidity levels in Tonalapa del Sur, 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 Tonalapa del Sur 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 Tonalapa del Sur

In Tonalapa del Sur 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 Tonalapa del Sur.

Maximum UV Index Levels in Tonalapa del Sur for December

The chart shows the monthly maximum UV Index (UVI) for Tonalapa del Sur 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 Tonalapa del Sur typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011141413141413141298
Data source: Tonalapa del Sur 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 Tonalapa del Sur Compares to Other Months

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

This table compares monthly weather conditions in Tonalapa del Sur, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)1 mm (0.0 inches)65%very high
February Weather25°C (77°F)4 mm (0.2 inches)61%extreme
March Weather27°C (81°F)1 mm (0.0 inches)59%extreme
April Weather28°C (83°F)2 mm (0.1 inches)62%extreme
May Weather29°C (84°F)26 mm (1.0 inches)73%extreme
June Weather26°C (79°F)142 mm (5.6 inches)78%extreme
July Weather26°C (79°F)97 mm (3.8 inches)79%extreme
August Weather25°C (78°F)177 mm (7.0 inches)82%extreme
September Weather25°C (77°F)178 mm (7.0 inches)82%extreme
October Weather25°C (77°F)82 mm (3.2 inches)79%extreme
November Weather24°C (76°F)13 mm (0.5 inches)72%very high
December Weather23°C (74°F)1 mm (0.0 inches)70%very high

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