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December Weather in Penas Negras, Mexico

Last updated: August 27, 2025

In December, the average temperature in Penas Negras, Mexico hovers around 23°C (73°F). Expect a minimum of 13°C (55°F) and a maximum that can reach 33°C (91°F). You might encounter 14 mm (0.5 in) of precipitation spread over 2 days, with the air maintaining an average humidity of 70%.

December Temperature in Penas Negras

In December in Penas Negras, the average temperature is 23°C (73°F). The maximum can reach 33°C (91°F) and the minimum can be as low as 13°C (55°F). This pleasant climate makes Penas Negras an ideal destination for travelers seeking enjoyable weather.

December Weather in Penas Negras: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Penas Negras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penas Negras, December typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec737476787976767575757473
Data source: Temperature data for Penas Negras 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 Penas Negras

In Penas Negras in December, the precipitation amount reaches 14 mm (0.5 in) over a span of 2 days.

December Precipitation Trends in Penas Negras

The chart displays monthly precipitation patterns in Penas Negras, 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 Penas Negras, December typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec53591023302794344632953314
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Penas Negras

In Penas Negras 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 Penas Negras

This chart illustrates the average monthly humidity levels in Penas Negras, 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 Penas Negras 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 Penas Negras

In Penas Negras 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 Penas Negras.

Maximum UV Index Levels in Penas Negras for December

The chart shows the monthly maximum UV Index (UVI) for Penas Negras 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 Penas Negras typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131412109
Data source: Penas Negras 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 Penas Negras Compares to Other Months

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

This table compares monthly weather conditions in Penas Negras, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)5 mm (0.2 inches)65%very high
February Weather24°C (75°F)3 mm (0.1 inches)61%extreme
March Weather25°C (77°F)5 mm (0.2 inches)59%extreme
April Weather26°C (78°F)9 mm (0.4 inches)62%extreme
May Weather26°C (79°F)102 mm (4.0 inches)73%extreme
June Weather24°C (76°F)330 mm (13.0 inches)78%extreme
July Weather24°C (76°F)279 mm (11.0 inches)79%extreme
August Weather24°C (75°F)434 mm (17.1 inches)82%extreme
September Weather24°C (75°F)463 mm (18.2 inches)82%extreme
October Weather24°C (75°F)295 mm (11.6 inches)79%extreme
November Weather23°C (74°F)33 mm (1.3 inches)72%very high
December Weather23°C (73°F)14 mm (0.5 inches)70%very high

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