December Weather in San Francisco Grande, Mexico

Last updated: August 27, 2025

In San Francisco Grande, Mexico, the average temperature in December hovers around 24°C (75°F). Expect a delightful range with minimums dipping to 11°C (53°F) and maximums peaking at 33°C (92°F). With 19 mm (0.7 in) of precipitation spread over 4 days, it's a good idea to pack an umbrella. The air is quite humid, averaging around 86%, adding to the tropical feel of this charming locale.

December Temperature in San Francisco Grande

In December in San Francisco Grande, the average temperature is 24°C (75°F). Maximums can reach 33°C (92°F), while minimums can drop to as low as 11°C (53°F). This makes San Francisco Grande a wonderful destination for travelers seeking mild and diverse weather conditions.

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

The chart illustrates December temperature patterns in San Francisco Grande, 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 Grande, December typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec747779828482838382817775
Data source: Temperature data for San Francisco Grande 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 San Francisco Grande

In San Francisco Grande in December, the precipitation amount is 19 mm (0.7 in) over the course of 4 days.

December Precipitation Trends in San Francisco Grande

The chart displays monthly precipitation patterns in San Francisco Grande, 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 Grande, December typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec2598325016869102921323919
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Francisco Grande

In San Francisco Grande in December, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

December Average Humidity in San Francisco Grande

This chart illustrates the average monthly humidity levels in San Francisco Grande, 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 Grande is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%71%70%68%69%74%81%82%83%84%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Francisco Grande

In San Francisco Grande in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in San Francisco Grande.

Maximum UV Index Levels in San Francisco Grande for December

The chart shows the monthly maximum UV Index (UVI) for San Francisco Grande 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 Grande typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131313141312121187
Data source: San Francisco Grande 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 Grande Compares to Other Months

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

This table compares monthly weather conditions in San Francisco Grande, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)25 mm (1.0 inches)81%very high
February Weather25°C (77°F)9 mm (0.3 inches)78%very high
March Weather26°C (79°F)8 mm (0.3 inches)71%extreme
April Weather28°C (83°F)32 mm (1.2 inches)70%extreme
May Weather29°C (84°F)49 mm (1.9 inches)68%extreme
June Weather28°C (83°F)168 mm (6.6 inches)69%extreme
July Weather28°C (83°F)69 mm (2.7 inches)74%extreme
August Weather28°C (83°F)102 mm (4.0 inches)81%extreme
September Weather28°C (82°F)92 mm (3.6 inches)82%extreme
October Weather27°C (81°F)132 mm (5.2 inches)83%extreme
November Weather25°C (77°F)39 mm (1.5 inches)84%very high
December Weather24°C (75°F)19 mm (0.7 inches)86%high

Compare San Francisco Grande's Climate with Cities Worldwide