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December Weather in San Pedro Petlacala, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Pedro Petlacala, Mexico is a pleasant 18°C (64°F). Temperatures can range from a cool 5°C (41°F) to a warm 28°C (83°F). Expect about 11 mm (0.4 in) of precipitation over 2 days, and enjoy an average humidity of 70% for a refreshing atmosphere.

December Temperature in San Pedro Petlacala

In December in San Pedro Petlacala, the average temperature is 18°C (64°F), with maximums reaching 28°C (83°F) and minimums dropping as low as 5°C (41°F). This comfortable climate makes it an ideal time for exploring the outdoors and enjoying various activities in San Pedro Petlacala.

December Weather in San Pedro Petlacala: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Pedro Petlacala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Pedro Petlacala, December typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec636668707067676766666564
Data source: Temperature data for San Pedro Petlacala 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 Pedro Petlacala

In San Pedro Petlacala in December, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in San Pedro Petlacala

The chart displays monthly precipitation patterns in San Pedro Petlacala, 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 Pedro Petlacala, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec11311261032812513193551673411
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Pedro Petlacala

In San Pedro Petlacala in December humidity is 70%. With an average temperature of 18°C (64°F), this humidity feels like a sticky embrace, making outdoor excursions a bit more cumbersome and requiring frequent breaks to stay refreshed and hydrated.

December Average Humidity in San Pedro Petlacala

This chart illustrates the average monthly humidity levels in San Pedro Petlacala, 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 Pedro Petlacala is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Pedro Petlacala

In San Pedro Petlacala 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 Pedro Petlacala.

Maximum UV Index Levels in San Pedro Petlacala for December

The chart shows the monthly maximum UV Index (UVI) for San Pedro Petlacala 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 Pedro Petlacala typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414141412109
Data source: San Pedro Petlacala 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 Pedro Petlacala Compares to Other Months

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

This table compares monthly weather conditions in San Pedro Petlacala, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)11 mm (0.4 inches)65%very high
February Weather19°C (66°F)3 mm (0.1 inches)61%extreme
March Weather20°C (68°F)11 mm (0.4 inches)59%extreme
April Weather21°C (70°F)26 mm (1.0 inches)62%extreme
May Weather21°C (70°F)103 mm (4.1 inches)73%extreme
June Weather20°C (68°F)281 mm (11.0 inches)78%extreme
July Weather19°C (67°F)251 mm (9.9 inches)79%extreme
August Weather19°C (67°F)319 mm (12.6 inches)82%extreme
September Weather19°C (67°F)355 mm (14.0 inches)82%extreme
October Weather19°C (67°F)167 mm (6.6 inches)79%extreme
November Weather18°C (65°F)34 mm (1.3 inches)72%very high
December Weather18°C (64°F)11 mm (0.4 inches)70%very high

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