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December Weather in San Miguel Amatitlan, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Miguel Amatitlan, Mexico hovers around 19°C (67°F). While you may enjoy pleasant days, temperatures can dip as low as 4°C (39°F) and soar up to 33°C (92°F). Rainfall is scarce, with only 1 mm (0.0 in) expected across 0 days. Expect a comfortable atmosphere with an average humidity of 70%.

December Temperature in San Miguel Amatitlan

In December in San Miguel Amatitlan, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F) and the minimum can be as low as 4°C (39°F). This diverse range of temperatures makes San Miguel Amatitlan a suitable destination for travelers seeking both warm and cooler weather experiences.

December Weather in San Miguel Amatitlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Miguel Amatitlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Miguel Amatitlan, December typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec667073767773727371716967
Data source: Temperature data for San Miguel Amatitlan 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 Miguel Amatitlan

In San Miguel Amatitlan in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in San Miguel Amatitlan

The chart displays monthly precipitation patterns in San Miguel Amatitlan, 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 Miguel Amatitlan, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec21411491641221662276491
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Miguel Amatitlan

In San Miguel Amatitlan in December humidity is 70%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making traveling somewhat uncomfortable and sticky, as the air feels dense and every movement requires a bit more effort.

December Average Humidity in San Miguel Amatitlan

This chart illustrates the average monthly humidity levels in San Miguel Amatitlan, 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 Miguel Amatitlan 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 Miguel Amatitlan

In San Miguel Amatitlan 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 Miguel Amatitlan.

Maximum UV Index Levels in San Miguel Amatitlan for December

The chart shows the monthly maximum UV Index (UVI) for San Miguel Amatitlan 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 Miguel Amatitlan typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415141415141412109
Data source: San Miguel Amatitlan 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 Miguel Amatitlan Compares to Other Months

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

This table compares monthly weather conditions in San Miguel Amatitlan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)2 mm (0.1 inches)65%very high
February Weather21°C (70°F)1 mm (0.0 inches)61%extreme
March Weather23°C (73°F)4 mm (0.2 inches)59%extreme
April Weather24°C (76°F)11 mm (0.4 inches)62%extreme
May Weather25°C (77°F)49 mm (1.9 inches)73%extreme
June Weather23°C (74°F)164 mm (6.4 inches)78%extreme
July Weather22°C (73°F)122 mm (4.8 inches)79%extreme
August Weather23°C (73°F)166 mm (6.5 inches)82%extreme
September Weather22°C (72°F)227 mm (8.9 inches)82%extreme
October Weather22°C (71°F)64 mm (2.5 inches)79%extreme
November Weather21°C (69°F)9 mm (0.3 inches)72%very high
December Weather19°C (67°F)1 mm (0.0 inches)70%very high

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