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December Weather in Llano Grande, Mexico

Last updated: August 27, 2025

In Llano Grande, Mexico, the average temperature in December hovers around 12°C (54°F), offering a mild climate. Expect temperatures to dip as low as -1°C (30°F) and rise to a pleasant 26°C (78°F). With an average humidity of 74%, you might feel a touch of dampness in the air. Rainfall is minimal, with only 6 mm (0.2 in) expected over 2 days.

December Temperature in Llano Grande

In December in Llano Grande, the average temperature is 12°C (54°F). The maximum can reach 26°C (78°F), while the minimum can drop as low as -1°C (30°F). It's advisable to pack layered clothing to be prepared for both warm days and chilly nights during your travels.

December Weather in Llano Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Llano Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llano Grande, December typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (78°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec535660636463616161605754
Data source: Temperature data for Llano Grande 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 Llano Grande

In Llano Grande in December, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.

December Precipitation Trends in Llano Grande

The chart displays monthly precipitation patterns in Llano Grande, 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 Llano Grande, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec141322197622933431127199386
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Llano Grande

In Llano Grande in December, humidity is 74%. With an average temperature of 12°C (54°F), this humidity feels like a chilly embrace that can dampen your travel experience, making it essential to dress in layers and prepare for an unexpected drizzle while exploring the sights.

December Average Humidity in Llano Grande

This chart illustrates the average monthly humidity levels in Llano Grande, 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 Llano Grande is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%64%54%61%75%83%83%85%85%79%76%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Llano Grande

In Llano Grande 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 Llano Grande.

Maximum UV Index Levels in Llano Grande for December

The chart shows the monthly maximum UV Index (UVI) for Llano Grande 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 Llano Grande typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111415141413141412108
Data source: Llano Grande 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 Llano Grande Compares to Other Months

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

This table compares monthly weather conditions in Llano Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)14 mm (0.5 inches)70%very high
February Weather13°C (57°F)13 mm (0.5 inches)64%extreme
March Weather16°C (61°F)22 mm (0.9 inches)54%extreme
April Weather17°C (63°F)19 mm (0.8 inches)61%extreme
May Weather18°C (65°F)76 mm (3.0 inches)75%extreme
June Weather17°C (64°F)229 mm (9.0 inches)83%extreme
July Weather16°C (61°F)334 mm (13.1 inches)83%extreme
August Weather16°C (61°F)311 mm (12.2 inches)85%extreme
September Weather16°C (61°F)271 mm (10.7 inches)85%extreme
October Weather15°C (60°F)99 mm (3.9 inches)79%extreme
November Weather14°C (57°F)38 mm (1.5 inches)76%very high
December Weather12°C (54°F)6 mm (0.2 inches)74%very high

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