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December Weather in Mier, Mexico

Last updated: August 27, 2025

In Mier, Mexico, the average temperature for December hovers around 17°C (64°F), with extremes ranging from a brisk 2°C (35°F) to a sweltering 35°C (95°F). Expect a modest precipitation of 17 mm (0.7 in) spread over about 2 days, while the average humidity lingers at a high 86%, creating a unique atmosphere throughout the month.

December Temperature in Mier

In December in Mier, the average temperature is 17°C (64°F), with maximums reaching up to 35°C (95°F) and minimums dipping as low as 2°C (35°F). This makes it an ideal time for travelers to experience a pleasant mix of warm days and cooler evenings.

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

The chart illustrates December temperature patterns in Mier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mier, December typically has an average temperature of 17°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec616573788487888984776863
Data source: Temperature data for Mier 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 Mier

In Mier in December, the precipitation amount is 17 mm (0.7 in) over a span of 2 days.

December Precipitation Trends in Mier

The chart displays monthly precipitation patterns in Mier, 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 Mier, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1718294264636714117373517
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mier

In Mier in December humidity is 86%. With an average temperature of 17°C (64°F), this humidity feels like a warm blanket enveloping you, making travel quite uncomfortable as the moisture clings to your skin and the air feels thick, damp, and heavy.

December Average Humidity in Mier

This chart illustrates the average monthly humidity levels in Mier, 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 Mier is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%79%76%77%80%73%66%65%73%76%80%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mier

In Mier 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 Mier, you can refer to this Hourly UV Index in Mier.

Maximum UV Index Levels in Mier for December

The chart shows the monthly maximum UV Index (UVI) for Mier 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 Mier typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212121211976
Data source: Mier 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 Mier Compares to Other Months

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

This table compares monthly weather conditions in Mier, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)17 mm (0.7 inches)83%high
February Weather18°C (65°F)18 mm (0.7 inches)79%very high
March Weather23°C (73°F)29 mm (1.2 inches)76%very high
April Weather26°C (78°F)42 mm (1.7 inches)77%extreme
May Weather29°C (84°F)64 mm (2.5 inches)80%extreme
June Weather30°C (87°F)63 mm (2.5 inches)73%extreme
July Weather31°C (88°F)67 mm (2.6 inches)66%extreme
August Weather32°C (90°F)14 mm (0.6 inches)65%extreme
September Weather29°C (85°F)117 mm (4.6 inches)73%extreme
October Weather25°C (77°F)37 mm (1.5 inches)76%very high
November Weather20°C (68°F)35 mm (1.4 inches)80%high
December Weather17°C (64°F)17 mm (0.7 inches)86%high

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