nomadseason

December Weather in Casahuatlan, Mexico

Last updated: August 27, 2025

In December, the average temperature in Casahuatlan, Mexico hovers around 20°C (69°F), with a minimum of 8°C (46°F) and a delightful maximum of 31°C (88°F). This month, you can expect a modest precipitation of just 3 mm (0.1 in) spread across 0 days. With an average humidity of 88%, the atmosphere is sure to feel quite tropical!

December Temperature in Casahuatlan

In December in Casahuatlan, the average temperature is 20°C (69°F), with maximums reaching 31°C (88°F) and minimums dipping as low as 8°C (46°F). This range makes it a comfortable time to visit Casahuatlan, perfect for outdoor activities and exploration.

December Weather in Casahuatlan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Casahuatlan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casahuatlan, December typically has an average temperature of 20°C (69°F), with highs reaching up to 31°C (88°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec697377797974747372737169
Data source: Temperature data for Casahuatlan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Casahuatlan

In Casahuatlan in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Casahuatlan

The chart displays monthly precipitation patterns in Casahuatlan, 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 Casahuatlan, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec2451288309257338314164403
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Casahuatlan

In Casahuatlan in December, humidity is 88%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket enveloping you, making travel feel both sticky and sluggish, as every step carries the weight of the thick, damp air.

December Average Humidity in Casahuatlan

This chart illustrates the average monthly humidity levels in Casahuatlan, 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 Casahuatlan 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 Casahuatlan

In Casahuatlan in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Casahuatlan.

Maximum UV Index Levels in Casahuatlan for December

The chart shows the monthly maximum UV Index (UVI) for Casahuatlan 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 Casahuatlan typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1012131413141413141198
Data source: Casahuatlan 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 Casahuatlan Compares to Other Months

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

This table compares monthly weather conditions in Casahuatlan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather21°C (69°F)2 mm (0.1 inches)84%very high
February Weather23°C (73°F)4 mm (0.2 inches)78%extreme
March Weather25°C (77°F)5 mm (0.2 inches)75%extreme
April Weather26°C (80°F)12 mm (0.5 inches)70%extreme
May Weather26°C (80°F)88 mm (3.5 inches)77%extreme
June Weather23°C (74°F)309 mm (12.2 inches)76%extreme
July Weather23°C (74°F)257 mm (10.1 inches)68%extreme
August Weather23°C (73°F)338 mm (13.3 inches)70%extreme
September Weather22°C (73°F)314 mm (12.4 inches)82%extreme
October Weather23°C (73°F)164 mm (6.5 inches)91%extreme
November Weather21°C (71°F)40 mm (1.6 inches)89%very high
December Weather20°C (69°F)3 mm (0.1 inches)88%very high

Compare Casahuatlan's Climate with Cities Worldwide