December Weather in San Jose del Castillo, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Jose del Castillo, Mexico hovers around 17°C (63°F). Expect to experience a minimum of 4°C (39°F) and a comfortable maximum of 28°C (83°F). During this month, precipitation is modest at 6 mm (0.2 in) spread across approximately 1 day. Additionally, the average humidity sits at a notable 74%, adding to the unique climate of the region.

December Temperature in San Jose del Castillo

In December, in San Jose del Castillo, the average temperature is 17°C (63°F). Maximum can reach 28°C (83°F) and minimum can be as low as 4°C (39°F). This makes San Jose del Castillo a great destination for travelers seeking mild weather and pleasant outdoor activities.

December Weather in San Jose del Castillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Jose del Castillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose del Castillo, December typically has an average temperature of 17°C (63°F), with highs reaching up to 28°C (83°F) and lows dropping to around 4°C (39°F).

Data source: Temperature data for San Jose del Castillo generated using information from the Copernicus Climate Change Service.

December Precipitation in San Jose del Castillo

In San Jose del Castillo in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in San Jose del Castillo

The chart displays monthly precipitation patterns in San Jose del Castillo, 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 Jose del Castillo, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in San Jose del Castillo

In San Jose del Castillo in December, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

December Average Humidity in San Jose del Castillo

This chart illustrates the average monthly humidity levels in San Jose del Castillo, 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 Jose del Castillo is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Jose del Castillo

In San Jose del Castillo 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 San Jose del Castillo.

Maximum UV Index Levels in San Jose del Castillo for December

The chart shows the monthly maximum UV Index (UVI) for San Jose del Castillo 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 Jose del Castillo typically reaches 8, which falls under the very high exposure category.

Data source: San Jose del Castillo 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 Jose del Castillo Compares to Other Months

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

This table compares monthly weather conditions in San Jose del Castillo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	6 mm (0.2 inches)	64%	very high
February Weather	19°C (66°F)	10 mm (0.4 inches)	57%	extreme
March Weather	22°C (71°F)	2 mm (0.1 inches)	46%	extreme
April Weather	23°C (74°F)	1 mm (0.0 inches)	42%	extreme
May Weather	24°C (76°F)	18 mm (0.7 inches)	51%	extreme
June Weather	23°C (75°F)	103 mm (4.1 inches)	74%	extreme
July Weather	22°C (71°F)	189 mm (7.4 inches)	79%	extreme
August Weather	22°C (71°F)	183 mm (7.2 inches)	81%	extreme
September Weather	21°C (70°F)	177 mm (7.0 inches)	84%	extreme
October Weather	21°C (69°F)	59 mm (2.3 inches)	75%	extreme
November Weather	19°C (66°F)	18 mm (0.7 inches)	71%	very high
December Weather	17°C (63°F)	6 mm (0.2 inches)	74%	very high