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December Weather in Llano Grande, Mexico

Last updated: August 27, 2025

In December, the average temperature in Llano Grande, Mexico is a comfortable 19°C (67°F), making it a pleasant time to explore. Expect temperatures to range from a cool 8°C (47°F) at night to a warm 29°C (85°F) during the day. Be prepared for a little rain, as 14 mm (0.6 in) of precipitation typically falls over 2 days. With an average humidity of 76%, it’s a great opportunity to enjoy the vibrant atmosphere of the season!

December Temperature in Llano Grande

In December in Llano Grande, the average temperature is 19°C (67°F). Maximums can reach 29°C (85°F), while minimums can drop as low as 8°C (47°F). This climate makes Llano Grande an ideal destination for travelers seeking mild weather and comfortable outdoor activities.

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 19°C (67°F), with highs reaching up to 29°C (85°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec666770707373737372727067
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 14 mm (0.6 in) over a period 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 14 mm (0.6 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec172541242874005665012464514
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 76%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sluggish and requiring regular breaks to stay hydrated while exploring.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
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.
JanFebMarAprMayJunJulAugSepOctNovDec911131414141313131298
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 Weather19°C (67°F)17 mm (0.7 inches)70%very high
February Weather20°C (68°F)25 mm (1.0 inches)65%extreme
March Weather21°C (70°F)4 mm (0.2 inches)59%extreme
April Weather21°C (71°F)1 mm (0.0 inches)60%extreme
May Weather23°C (73°F)24 mm (0.9 inches)67%extreme
June Weather23°C (74°F)286 mm (11.3 inches)80%extreme
July Weather23°C (73°F)400 mm (15.7 inches)81%extreme
August Weather23°C (73°F)566 mm (22.3 inches)83%extreme
September Weather22°C (73°F)501 mm (19.7 inches)83%extreme
October Weather22°C (73°F)246 mm (9.7 inches)80%extreme
November Weather21°C (70°F)45 mm (1.8 inches)77%very high
December Weather19°C (67°F)14 mm (0.6 inches)76%very high

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