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December Weather in El Deca, Mexico

Last updated: August 27, 2025

In El Deca, Mexico, the average temperature for December is a cool 14°C (57°F). Expect temperatures to range from a chilly 0°C (32°F) to a warm 28°C (84°F). Rainfall is minimal, with an average precipitation of only 7 mm (0.3 in) over just 1 day. Additionally, the air tends to be quite humid, boasting an average humidity of 91%.

December Temperature in El Deca

In December in El Deca, the average temperature is 14°C (57°F), with maximums reaching up to 28°C (84°F) and minimums potentially dropping as low as 0°C (32°F). This variation in temperature makes El Deca an ideal destination for travelers looking to experience a range of weather conditions.

December Weather in El Deca: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in El Deca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In El Deca, December typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (84°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec566164687068666765635957
Data source: Temperature data for El Deca 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 El Deca

In El Deca in December, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in El Deca

The chart displays monthly precipitation patterns in El Deca, 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 El Deca, December typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec1113193149122989412472257
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in El Deca

In El Deca in December humidity is 91%. With an average temperature of 14°C (57°F), this humidity feels like a blanket of dampness enveloping you, making outdoor activities feel heavy and uncomfortable for traveling.

December Average Humidity in El Deca

This chart illustrates the average monthly humidity levels in El Deca, 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 El Deca is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in El Deca

In El Deca 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 El Deca.

Maximum UV Index Levels in El Deca for December

The chart shows the monthly maximum UV Index (UVI) for El Deca 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 El Deca typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414151415141412108
Data source: El Deca 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 El Deca Compares to Other Months

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

This table compares monthly weather conditions in El Deca, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)11 mm (0.4 inches)88%very high
February Weather16°C (61°F)13 mm (0.5 inches)86%extreme
March Weather18°C (64°F)19 mm (0.7 inches)83%extreme
April Weather20°C (68°F)31 mm (1.2 inches)80%extreme
May Weather21°C (70°F)49 mm (1.9 inches)82%extreme
June Weather20°C (68°F)122 mm (4.8 inches)79%extreme
July Weather19°C (66°F)98 mm (3.9 inches)72%extreme
August Weather19°C (67°F)94 mm (3.7 inches)74%extreme
September Weather19°C (66°F)124 mm (4.9 inches)84%extreme
October Weather17°C (63°F)72 mm (2.8 inches)92%extreme
November Weather15°C (59°F)25 mm (1.0 inches)91%very high
December Weather14°C (57°F)7 mm (0.3 inches)91%very high

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