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December Weather in La Ascension, Mexico

Last updated: August 27, 2025

In La Ascension, Mexico, the average temperature in December hovers around 11°C (52°F). You'll experience a minimum plunge to -7°C (19°F) and a warm peak of 27°C (80°F). Expect 15 mm (0.6 in) of precipitation spread across 2 days, with an average humidity of 80%, creating a refreshing yet chilly atmosphere.

December Temperature in La Ascension

In December in La Ascension, the average temperature is 11°C (52°F), with maximums reaching 27°C (80°F) and minimums plummeting to as low as -7°C (19°F). This temperature range means that travelers should be prepared for a mix of warm days and chilly nights, making layered clothing essential for enjoying all that La Ascension has to offer.

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

The chart illustrates December temperature patterns in La Ascension, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Ascension, December typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec515660646767666664615652
Data source: Temperature data for La Ascension 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 Ascension

In La Ascension in December, the precipitation amount is 15 mm (0.6 in) over the course of 2 days.

December Precipitation Trends in La Ascension

The chart displays monthly precipitation patterns in La Ascension, 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 Ascension, December typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1192232619212876145391215
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in La Ascension

In La Ascension in December, humidity is 80%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as you navigate through the thick, languid air.

December Average Humidity in La Ascension

This chart illustrates the average monthly humidity levels in La Ascension, 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 Ascension is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in La Ascension

In La Ascension 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 Ascension.

Maximum UV Index Levels in La Ascension for December

The chart shows the monthly maximum UV Index (UVI) for La Ascension 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 Ascension typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121414131414131297
Data source: La Ascension 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 Ascension Compares to Other Months

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

This table compares monthly weather conditions in La Ascension, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)11 mm (0.4 inches)75%very high
February Weather13°C (56°F)9 mm (0.3 inches)70%very high
March Weather16°C (60°F)22 mm (0.9 inches)65%extreme
April Weather18°C (64°F)32 mm (1.3 inches)59%extreme
May Weather20°C (68°F)60 mm (2.4 inches)66%extreme
June Weather19°C (67°F)92 mm (3.6 inches)71%extreme
July Weather19°C (66°F)128 mm (5.0 inches)57%extreme
August Weather19°C (66°F)76 mm (3.0 inches)58%extreme
September Weather18°C (64°F)145 mm (5.7 inches)72%extreme
October Weather16°C (61°F)39 mm (1.5 inches)76%extreme
November Weather13°C (56°F)12 mm (0.5 inches)81%very high
December Weather11°C (52°F)15 mm (0.6 inches)80%high

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