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December Weather in Lomas de San Martin, Mexico

Last updated: August 27, 2025

In December, the average temperature in Lomas de San Martin, Mexico is a pleasant 17°C (62°F). Expect a range of temperatures, with minimums dipping to 2°C (36°F) and maximums soaring to 35°C (95°F). You'll experience an average humidity of 80%, along with 21 mm (0.8 in) of precipitation across 3 days.

December Temperature in Lomas de San Martin

In December in Lomas de San Martin, the average temperature is 17°C (62°F). Maximums can reach 35°C (95°F) and minimums can be as low as 2°C (36°F). This variation in temperature makes Lomas de San Martin a destination that requires layered clothing and preparations for both warm and cooler periods during your trip.

December Weather in Lomas de San Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lomas de San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lomas de San Martin, December typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec596371768184858681746662
Data source: Temperature data for Lomas de San Martin 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 Lomas de San Martin

In Lomas de San Martin in December, the precipitation amount is 21 mm (0.8 in) over a period of 3 days.

December Precipitation Trends in Lomas de San Martin

The chart displays monthly precipitation patterns in Lomas de San Martin, 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 Lomas de San Martin, December typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2513244068868215110492421
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lomas de San Martin

In Lomas de San Martin in December, humidity is 80%. With an average temperature of 17°C (62°F), this humidity feels like a heavy blanket wrapping around you, making travel sticky and uncomfortable, and often leaving you longing for a refreshing breeze.

December Average Humidity in Lomas de San Martin

This chart illustrates the average monthly humidity levels in Lomas de San Martin, 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 Lomas de San Martin is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lomas de San Martin

In Lomas de San Martin 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 Lomas de San Martin, you can refer to this Hourly UV Index in Lomas de San Martin.

Maximum UV Index Levels in Lomas de San Martin for December

The chart shows the monthly maximum UV Index (UVI) for Lomas de San Martin 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 Lomas de San Martin typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79101212121212111076
Data source: Lomas de San Martin 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 Lomas de San Martin Compares to Other Months

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

This table compares monthly weather conditions in Lomas de San Martin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)24 mm (1.0 inches)75%high
February Weather17°C (64°F)13 mm (0.5 inches)70%very high
March Weather22°C (71°F)24 mm (0.9 inches)65%very high
April Weather24°C (76°F)40 mm (1.6 inches)59%extreme
May Weather27°C (81°F)68 mm (2.7 inches)66%extreme
June Weather29°C (84°F)86 mm (3.4 inches)71%extreme
July Weather29°C (85°F)82 mm (3.2 inches)57%extreme
August Weather30°C (87°F)15 mm (0.6 inches)58%extreme
September Weather27°C (81°F)110 mm (4.3 inches)72%extreme
October Weather24°C (75°F)49 mm (1.9 inches)76%very high
November Weather19°C (67°F)24 mm (0.9 inches)81%high
December Weather17°C (62°F)21 mm (0.8 inches)80%high

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