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December Weather in San Mateo Ayecac, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Mateo Ayecac, Mexico hovers around 12°C (55°F). Temperatures can vary, dropping as low as 0°C (33°F) and peaking at 25°C (76°F). Visitors should also prepare for a bit of rain, with an average precipitation of 8 mm (0.3 in) over 2 days. With humidity levels reaching an average of 88%, it's a month best suited for those who enjoy a cool and slightly damp climate.

December Temperature in San Mateo Ayecac

In December in San Mateo Ayecac, the average temperature is 12°C (55°F). The maximum can reach 25°C (76°F), and the minimum can be as low as 0°C (33°F). Pack layers to stay comfortable throughout the day, as temperatures can vary significantly.

December Weather in San Mateo Ayecac: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Mateo Ayecac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mateo Ayecac, December typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (76°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec535760616261606060595654
Data source: Temperature data for San Mateo Ayecac 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 San Mateo Ayecac

In San Mateo Ayecac in December, the precipitation amount is 8 mm (0.3 in) over the course of 2 days.

December Precipitation Trends in San Mateo Ayecac

The chart displays monthly precipitation patterns in San Mateo Ayecac, 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 San Mateo Ayecac, December typically receives around 8 mm (0.3 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2110336111520317117622395398
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Mateo Ayecac

In San Mateo Ayecac in December humidity is 88%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration more challenging and requiring extra layers for comfort.

December Average Humidity in San Mateo Ayecac

This chart illustrates the average monthly humidity levels in San Mateo Ayecac, 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 San Mateo Ayecac is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%78%75%71%77%76%68%70%82%91%89%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Mateo Ayecac

In San Mateo Ayecac in December, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Mateo Ayecac.

Maximum UV Index Levels in San Mateo Ayecac for December

The chart shows the monthly maximum UV Index (UVI) for San Mateo Ayecac 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 San Mateo Ayecac typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: San Mateo Ayecac 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 San Mateo Ayecac Compares to Other Months

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

This table compares monthly weather conditions in San Mateo Ayecac, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)21 mm (0.8 inches)84%very high
February Weather14°C (57°F)10 mm (0.4 inches)78%extreme
March Weather16°C (60°F)33 mm (1.3 inches)75%extreme
April Weather16°C (61°F)60 mm (2.4 inches)70%extreme
May Weather17°C (62°F)115 mm (4.5 inches)77%extreme
June Weather16°C (61°F)203 mm (8.0 inches)76%extreme
July Weather15°C (60°F)171 mm (6.7 inches)68%extreme
August Weather16°C (61°F)176 mm (6.9 inches)70%extreme
September Weather15°C (60°F)223 mm (8.8 inches)82%extreme
October Weather15°C (59°F)94 mm (3.7 inches)91%extreme
November Weather13°C (57°F)39 mm (1.5 inches)89%very high
December Weather12°C (55°F)8 mm (0.3 inches)88%very high

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