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December Weather in Valle de Allende, Mexico

Last updated: August 27, 2025

In December, the average temperature in Valle de Allende, Mexico is a brisk 12°C (54°F). Expect temperatures to range from a chilly -10°C (13°F) to a warmer 29°C (84°F). Rainfall is minimal, with only 17 mm (0.7 in) expected over just 2 days. You might want to prepare for some humidity, as the average sits comfortably at 87%.

December Temperature in Valle de Allende

In December in Valle de Allende, the average temperature is 12°C (54°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -10°C (13°F). Be prepared for a wide range of temperatures and pack accordingly for your trip!

December Weather in Valle de Allende: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Valle de Allende, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valle de Allende, December typically has an average temperature of 12°C (54°F), with highs reaching up to 29°C (84°F) and lows dropping to around -10°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec535865727882777872696154
Data source: Temperature data for Valle de Allende 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 Valle de Allende

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

December Precipitation Trends in Valle de Allende

The chart displays monthly precipitation patterns in Valle de Allende, 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 Valle de Allende, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec55536246356100311517
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Valle de Allende

In Valle de Allende in December humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

December Average Humidity in Valle de Allende

This chart illustrates the average monthly humidity levels in Valle de Allende, 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 Valle de Allende 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 Valle de Allende

In Valle de Allende 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 Valle de Allende, you can refer to this Hourly UV Index in Valle de Allende.

Maximum UV Index Levels in Valle de Allende for December

The chart shows the monthly maximum UV Index (UVI) for Valle de Allende 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 Valle de Allende typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111414131313121086
Data source: Valle de Allende 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 Valle de Allende Compares to Other Months

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

This table compares monthly weather conditions in Valle de Allende, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)5 mm (0.2 inches)75%high
February Weather15°C (59°F)5 mm (0.2 inches)65%very high
March Weather18°C (65°F)5 mm (0.2 inches)58%extreme
April Weather22°C (72°F)3 mm (0.1 inches)48%extreme
May Weather25°C (78°F)6 mm (0.2 inches)48%extreme
June Weather28°C (82°F)24 mm (1.0 inches)54%extreme
July Weather25°C (78°F)62 mm (2.5 inches)72%extreme
August Weather25°C (78°F)56 mm (2.2 inches)77%extreme
September Weather22°C (73°F)100 mm (3.9 inches)86%extreme
October Weather20°C (69°F)31 mm (1.2 inches)82%very high
November Weather16°C (62°F)15 mm (0.6 inches)85%very high
December Weather12°C (54°F)17 mm (0.7 inches)87%high

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