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December Weather in San Blas Atempa, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Blas Atempa, Mexico reaches a warm 26°C (78°F), with a comfortable minimum of 16°C (61°F) and a peak of 35°C (96°F). Expect light rain with an average precipitation of 6 mm (0.3 in) over just 1 day throughout the month. Additionally, the air feels quite humid, with an average humidity level of 88%.

December Temperature in San Blas Atempa

In December in San Blas Atempa, the average temperature is 26°C (78°F), with maximums reaching 35°C (96°F) and minimums dropping to as low as 16°C (61°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

December Weather in San Blas Atempa: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Blas Atempa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Blas Atempa, December typically has an average temperature of 26°C (78°F), with highs reaching up to 35°C (96°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec777981838582858483828078
Data source: Temperature data for San Blas Atempa 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 Blas Atempa

In San Blas Atempa in December, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

December Precipitation Trends in San Blas Atempa

The chart displays monthly precipitation patterns in San Blas Atempa, 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 Blas Atempa, December typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec3528773078117818411076
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Blas Atempa

In San Blas Atempa in December, humidity is 88%. With an average temperature of 26°C (78°F), this humidity feels like stepping into a warm, thick blanket, making travel feel heavy and sticky, where the air clings to your skin and every movement can feel laborious.

December Average Humidity in San Blas Atempa

This chart illustrates the average monthly humidity levels in San Blas Atempa, 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 Blas Atempa is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%73%67%72%73%76%80%84%89%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Blas Atempa

In San Blas Atempa 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 Blas Atempa.

Maximum UV Index Levels in San Blas Atempa for December

The chart shows the monthly maximum UV Index (UVI) for San Blas Atempa 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 Blas Atempa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121313141314131312109
Data source: San Blas Atempa 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 Blas Atempa Compares to Other Months

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

This table compares monthly weather conditions in San Blas Atempa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)2 mm (0.1 inches)84%very high
February Weather26°C (79°F)5 mm (0.2 inches)80%extreme
March Weather27°C (82°F)1 mm (0.1 inches)73%extreme
April Weather28°C (84°F)8 mm (0.3 inches)67%extreme
May Weather29°C (85°F)77 mm (3.0 inches)72%extreme
June Weather28°C (83°F)307 mm (12.1 inches)73%extreme
July Weather29°C (85°F)81 mm (3.2 inches)76%extreme
August Weather29°C (84°F)178 mm (7.0 inches)80%extreme
September Weather28°C (83°F)184 mm (7.3 inches)84%extreme
October Weather28°C (82°F)110 mm (4.3 inches)89%extreme
November Weather27°C (81°F)7 mm (0.3 inches)88%very high
December Weather26°C (78°F)6 mm (0.3 inches)88%very high

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