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December Weather in Alvarenas, Mexico

Last updated: August 27, 2025

In Alvarenas, Mexico, the average temperature in December hovers around 13°C (55°F). During this time, temperatures can fluctuate from a brisk -4°C (26°F) to a warm 29°C (84°F). Expect about 16 mm (0.6 in) of precipitation over 1 day, with a notable average humidity level of 87%.

December Temperature in Alvarenas

In December in Alvarenas, the average temperature is 13°C (55°F), with maximums reaching 29°C (84°F) and minimums plunging to as low as -4°C (26°F). This range of temperatures suggests that travelers should be prepared for both warm and chilly conditions during their visit.

December Weather in Alvarenas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Alvarenas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alvarenas, December typically has an average temperature of 13°C (55°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec546169768387838378736455
Data source: Temperature data for Alvarenas 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 Alvarenas

In Alvarenas in December, the precipitation amount is 16 mm (0.6 in) over the course of 1 day.

December Precipitation Trends in Alvarenas

The chart displays monthly precipitation patterns in Alvarenas, 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 Alvarenas, December typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec6422513534868141016
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Alvarenas

In Alvarenas in December, humidity is 87%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making travel sluggish and slightly uncomfortable, as each step seems to cling to the damp air.

December Average Humidity in Alvarenas

This chart illustrates the average monthly humidity levels in Alvarenas, 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 Alvarenas is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%65%58%48%48%54%72%77%86%82%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Alvarenas

In Alvarenas in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Alvarenas, you can refer to this Hourly UV Index in Alvarenas.

Maximum UV Index Levels in Alvarenas for December

The chart shows the monthly maximum UV Index (UVI) for Alvarenas 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 Alvarenas typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313131313121086
Data source: Alvarenas 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 Alvarenas Compares to Other Months

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

This table compares monthly weather conditions in Alvarenas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)5 mm (0.2 inches)75%high
February Weather16°C (61°F)4 mm (0.1 inches)65%very high
March Weather20°C (69°F)2 mm (0.1 inches)58%extreme
April Weather24°C (76°F)2 mm (0.1 inches)48%extreme
May Weather28°C (83°F)5 mm (0.2 inches)48%extreme
June Weather31°C (87°F)13 mm (0.5 inches)54%extreme
July Weather28°C (83°F)53 mm (2.1 inches)72%extreme
August Weather28°C (83°F)48 mm (1.9 inches)77%extreme
September Weather25°C (78°F)67 mm (2.7 inches)86%extreme
October Weather23°C (73°F)14 mm (0.6 inches)82%very high
November Weather18°C (64°F)10 mm (0.4 inches)85%very high
December Weather13°C (55°F)16 mm (0.6 inches)87%high

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