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December Weather in San Francisco del Mar Viejo, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Francisco del Mar Viejo, Mexico is a pleasant 25°C (78°F). Visitors can expect a minimum temperature of 17°C (63°F), while the maximum can reach up to 32°C (90°F). During this time, precipitation averages around 9 mm (0.4 in) over 2 days, and the average humidity sits at a comfortable 88%.

December Temperature in San Francisco del Mar Viejo

In December in San Francisco del Mar Viejo, the average temperature is 25°C (78°F). The maximum can reach 32°C (90°F), while the minimum can be as low as 17°C (63°F). This climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates December temperature patterns in San Francisco del Mar Viejo, 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 Viejo, December typically has an average temperature of 25°C (78°F), with highs reaching up to 32°C (90°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec767880828382848382817977
Data source: Temperature data for San Francisco del Mar Viejo 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 Francisco del Mar Viejo

In San Francisco del Mar Viejo in December, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in San Francisco del Mar Viejo

The chart displays monthly precipitation patterns in San Francisco del Mar Viejo, 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 Viejo, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec61061711741711326328718669
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Francisco del Mar Viejo

In San Francisco del Mar Viejo in December, humidity is 88%. With an average temperature of 25°C (78°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities a sweat-drenched challenge and prompting frequent breaks in the shade to cool off.

December Average Humidity in San Francisco del Mar Viejo

This chart illustrates the average monthly humidity levels in San Francisco del Mar Viejo, 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 Viejo is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Francisco del Mar Viejo

In San Francisco del Mar Viejo 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 Viejo.

Maximum UV Index Levels in San Francisco del Mar Viejo for December

The chart shows the monthly maximum UV Index (UVI) for San Francisco del Mar Viejo 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 Viejo typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9121313131314131312108
Data source: San Francisco del Mar Viejo 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 Viejo Compares to Other Months

Weather in San Francisco del Mar Viejo 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 Viejo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Francisco del Mar Viejo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)6 mm (0.2 inches)83%very high
February Weather26°C (78°F)10 mm (0.4 inches)76%extreme
March Weather27°C (80°F)5 mm (0.2 inches)66%extreme
April Weather28°C (82°F)17 mm (0.7 inches)59%extreme
May Weather29°C (84°F)117 mm (4.6 inches)64%extreme
June Weather28°C (83°F)416 mm (16.4 inches)69%extreme
July Weather29°C (84°F)113 mm (4.5 inches)82%extreme
August Weather28°C (83°F)263 mm (10.4 inches)87%extreme
September Weather28°C (83°F)287 mm (11.3 inches)87%extreme
October Weather27°C (81°F)186 mm (7.3 inches)88%extreme
November Weather26°C (79°F)6 mm (0.2 inches)88%very high
December Weather25°C (78°F)9 mm (0.4 inches)88%very high

Compare San Francisco del Mar Viejo's Climate with Cities Worldwide