December Weather in San Francisco (Mata Clara), Mexico

Last updated: August 27, 2025

In San Francisco (Mata Clara), Mexico, the average temperature in December hovers around 20°C (69°F). Expect a pleasant range, with minimums dipping to 6°C (44°F) and highs soaring up to 32°C (90°F). During this time, precipitation totals around 63 mm (2.5 in) spread across 11 days, contributing to a notably high average humidity of 91%. Stay prepared for a mix of warmth and moisture!

December Temperature in San Francisco (Mata Clara)

In December in San Francisco (Mata Clara), the average temperature is 20°C (69°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop to as low as 6°C (44°F). It's a great time to explore San Francisco (Mata Clara) as you can enjoy mild to warm weather, making it perfect for outdoor activities.

December Weather in San Francisco (Mata Clara): Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Francisco (Mata Clara), showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco (Mata Clara), December typically has an average temperature of 20°C (69°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (44°F).

Data source: Temperature data for San Francisco (Mata Clara) generated using information from the Copernicus Climate Change Service.

December Precipitation in San Francisco (Mata Clara)

In San Francisco (Mata Clara) in December, the precipitation amount is 63 mm (2.5 in) during a total of 11 days.

December Precipitation Trends in San Francisco (Mata Clara)

The chart displays monthly precipitation patterns in San Francisco (Mata Clara), 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 Francisco (Mata Clara), December typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 11 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 Francisco (Mata Clara)

In San Francisco (Mata Clara) in December, humidity is 91%. With an average temperature of 20°C (69°F), this humidity feels like a thick, warm blanket enveloping you, making outdoor activities quite challenging and prompting you to seek shade and hydration frequently while traveling.

December Average Humidity in San Francisco (Mata Clara)

This chart illustrates the average monthly humidity levels in San Francisco (Mata Clara), 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 Francisco (Mata Clara) is approximately 91%, 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 Francisco (Mata Clara)

In San Francisco (Mata Clara) 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 Francisco (Mata Clara).

Maximum UV Index Levels in San Francisco (Mata Clara) for December

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

Data source: San Francisco (Mata Clara) 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 Francisco (Mata Clara) Compares to Other Months

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

This table compares monthly weather conditions in San Francisco (Mata Clara), showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	66 mm (2.6 inches)	88%	very high
February Weather	21°C (70°F)	68 mm (2.7 inches)	86%	extreme
March Weather	23°C (74°F)	81 mm (3.2 inches)	84%	extreme
April Weather	25°C (78°F)	92 mm (3.6 inches)	81%	extreme
May Weather	27°C (81°F)	112 mm (4.4 inches)	82%	extreme
June Weather	26°C (79°F)	274 mm (10.8 inches)	81%	extreme
July Weather	26°C (79°F)	137 mm (5.4 inches)	81%	extreme
August Weather	26°C (79°F)	176 mm (6.9 inches)	82%	extreme
September Weather	26°C (79°F)	250 mm (9.9 inches)	86%	extreme
October Weather	25°C (77°F)	223 mm (8.8 inches)	90%	extreme
November Weather	22°C (72°F)	137 mm (5.4 inches)	91%	very high
December Weather	20°C (69°F)	63 mm (2.5 inches)	91%	very high