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December Weather in San Rafael, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Rafael, Mexico is a mild 13°C (55°F), with a minimum of 2°C (36°F) and a peak reaching 28°C (82°F). You'll experience an average humidity of 73% and can expect about 58 mm (2.3 in) of precipitation over the course of 5 days. Whether you're packing for rain or shine, be prepared for a diverse climate!

December Temperature in San Rafael

In December in San Rafael, the average temperature is 13°C (55°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop as low as 2°C (36°F). It's advisable to pack layers to comfortably enjoy the diverse weather during your travels.

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

The chart illustrates December temperature patterns in San Rafael, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Rafael, December typically has an average temperature of 13°C (55°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec545456616370767774686255
Data source: Temperature data for San Rafael 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 Rafael

In San Rafael in December, the precipitation amount is 58 mm (2.3 in) over the course of 5 days.

December Precipitation Trends in San Rafael

The chart displays monthly precipitation patterns in San Rafael, 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 Rafael, December typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec63645718211343103158
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Rafael

In San Rafael in December humidity is 73%. With an average temperature of 13°C (55°F), this humidity feels like a damp chill that can penetrate layers of clothing, making it essential for travelers to dress in warm, moisture-wicking fabrics to stay comfortable while exploring.

December Average Humidity in San Rafael

This chart illustrates the average monthly humidity levels in San Rafael, 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 Rafael is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%68%59%57%60%59%58%63%65%69%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Rafael

In San Rafael in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in San Rafael for better planning.

Maximum UV Index Levels in San Rafael for December

The chart shows the monthly maximum UV Index (UVI) for San Rafael 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 Rafael typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212121111864
Data source: San Rafael 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 Rafael Compares to Other Months

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

This table compares monthly weather conditions in San Rafael, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)63 mm (2.5 inches)72%moderate
February Weather12°C (54°F)64 mm (2.5 inches)76%high
March Weather13°C (56°F)57 mm (2.3 inches)68%very high
April Weather16°C (62°F)18 mm (0.7 inches)59%extreme
May Weather17°C (64°F)21 mm (0.8 inches)57%extreme
June Weather21°C (70°F)1 mm (0.1 inches)60%extreme
July Weather24°C (76°F)2 mm (0.1 inches)59%extreme
August Weather25°C (77°F)4 mm (0.1 inches)57%extreme
September Weather23°C (74°F)3 mm (0.1 inches)63%extreme
October Weather20°C (68°F)10 mm (0.4 inches)65%very high
November Weather17°C (62°F)31 mm (1.2 inches)69%high
December Weather13°C (55°F)58 mm (2.3 inches)73%moderate

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