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December Weather in La Pena, Mexico

Last updated: August 27, 2025

In December, the average temperature in La Pena, Mexico hovers around 12°C (55°F). Expect temperature swings, with a minimum dipping to -4°C (24°F) and a maximum soaring to 28°C (82°F). The month sees 14 mm (0.6 in) of precipitation spread over about 2 days, complemented by a high average humidity of 89%.

December Temperature in La Pena

In December in La Pena, the average temperature is 12°C (55°F), with maximums reaching 28°C (82°F) and minimums dropping as low as -4°C (24°F). It's a good idea to pack layers to be prepared for both warm afternoons and chilly evenings while traveling.

December Weather in La Pena: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in La Pena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Pena, December typically has an average temperature of 12°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec545862666868676865635854
Data source: Temperature data for La Pena 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 La Pena

In La Pena in December, the precipitation amount is 14 mm (0.6 in) over a period of 2 days.

December Precipitation Trends in La Pena

The chart displays monthly precipitation patterns in La Pena, 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 La Pena, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec141324419612111869118681914
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in La Pena

In La Pena in December, humidity is 89%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that seeps into your bones, making it feel much colder than the thermometer suggests and potentially complicating your travel plans.

December Average Humidity in La Pena

This chart illustrates the average monthly humidity levels in La Pena, 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 La Pena is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%84%85%79%71%72%80%85%88%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Pena

In La Pena in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in La Pena.

Maximum UV Index Levels in La Pena for December

The chart shows the monthly maximum UV Index (UVI) for La Pena 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 La Pena typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131314131414131297
Data source: La Pena 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 La Pena Compares to Other Months

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

This table compares monthly weather conditions in La Pena, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)13 mm (0.5 inches)87%very high
February Weather14°C (58°F)13 mm (0.5 inches)85%very high
March Weather17°C (62°F)24 mm (0.9 inches)83%extreme
April Weather19°C (66°F)41 mm (1.6 inches)84%extreme
May Weather20°C (69°F)96 mm (3.8 inches)85%extreme
June Weather20°C (68°F)121 mm (4.8 inches)79%extreme
July Weather20°C (67°F)118 mm (4.6 inches)71%extreme
August Weather20°C (68°F)69 mm (2.7 inches)72%extreme
September Weather19°C (66°F)118 mm (4.6 inches)80%extreme
October Weather17°C (63°F)68 mm (2.7 inches)85%extreme
November Weather14°C (58°F)19 mm (0.8 inches)88%very high
December Weather12°C (55°F)14 mm (0.6 inches)89%high

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