December Weather in San Francisco del Mar, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Francisco del Mar, Mexico hovers around 26°C (79°F), making it a pleasant destination. Daily temperatures can range from a minimum of 19°C (66°F) to a maximum of 32°C (90°F). Expect a modest precipitation of 11 mm (0.4 in) over just 1 day, accompanied by a high average humidity of 88%.

December Temperature in San Francisco del Mar

In December in San Francisco del Mar, the average temperature is 26°C (79°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 19°C (66°F). This pleasant climate makes San Francisco del Mar an ideal destination for travelers seeking warm and comfortable weather.

December Weather in San Francisco del Mar: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Francisco del Mar, 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 del Mar, December typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (66°F).

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

December Precipitation in San Francisco del Mar

In San Francisco del Mar in December, the precipitation amount is 11 mm (0.4 in) over the course of one day.

December Precipitation Trends in San Francisco del Mar

The chart displays monthly precipitation patterns in San Francisco del Mar, 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 del Mar, December typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in San Francisco del Mar

In San Francisco del Mar in December, humidity is 88%. With an average temperature of 26°C (79°F), this humidity feels like a warm blanket wrapped around you, making travel somewhat uncomfortable as you quickly become aware of the stickiness and heaviness in the air.

December Average Humidity in San Francisco del Mar

This chart illustrates the average monthly humidity levels in San Francisco del Mar, 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 del Mar is approximately 88%, 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 del Mar

In San Francisco del Mar 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 del Mar.

Maximum UV Index Levels in San Francisco del Mar for December

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

Data source: San Francisco del Mar 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 del Mar Compares to Other Months

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

This table compares monthly weather conditions in San Francisco del Mar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	8 mm (0.3 inches)	83%	very high
February Weather	26°C (79°F)	13 mm (0.5 inches)	76%	extreme
March Weather	27°C (81°F)	11 mm (0.4 inches)	66%	extreme
April Weather	28°C (83°F)	31 mm (1.2 inches)	59%	extreme
May Weather	29°C (84°F)	113 mm (4.5 inches)	64%	extreme
June Weather	28°C (83°F)	443 mm (17.4 inches)	69%	extreme
July Weather	29°C (84°F)	115 mm (4.5 inches)	82%	extreme
August Weather	28°C (83°F)	250 mm (9.9 inches)	87%	extreme
September Weather	28°C (83°F)	289 mm (11.4 inches)	87%	extreme
October Weather	28°C (82°F)	216 mm (8.5 inches)	88%	extreme
November Weather	27°C (81°F)	7 mm (0.3 inches)	88%	very high
December Weather	26°C (79°F)	11 mm (0.4 inches)	88%	very high