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December Weather in San Buenaventura, Mexico

Last updated: August 27, 2025

In December, the average temperature in San Buenaventura, Mexico hovers around 7°C (46°F). During this time, you may experience a minimum of -7°C (20°F) and a maximum of 23°C (73°F). Expect light rainfall, with 19 mm (0.8 in) of precipitation spread over 3 days. The air is often quite humid, with an average humidity level of 85%, creating a uniquely brisk but refreshing climate.

December Temperature in San Buenaventura

In December in San Buenaventura, the average temperature is 7°C (46°F), with maximums reaching 23°C (73°F) and minimums dropping to as low as -7°C (20°F). It's important to pack layers to prepare for the wide range of temperatures during your travels.

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

The chart illustrates December temperature patterns in San Buenaventura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Buenaventura, December typically has an average temperature of 7°C (46°F), with highs reaching up to 23°C (73°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec444855626875727167615445
Data source: Temperature data for San Buenaventura 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 Buenaventura

In San Buenaventura in December, the precipitation amount averaged 19 mm (0.8 in) over a span of 3 days.

December Precipitation Trends in San Buenaventura

The chart displays monthly precipitation patterns in San Buenaventura, 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 Buenaventura, December typically receives around 19 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec14121046181039373281619
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Buenaventura

In San Buenaventura in December humidity is 85%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is.

December Average Humidity in San Buenaventura

This chart illustrates the average monthly humidity levels in San Buenaventura, 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 Buenaventura is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Buenaventura

In San Buenaventura in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Buenaventura, you can refer to this Hourly UV Index in San Buenaventura.

Maximum UV Index Levels in San Buenaventura for December

The chart shows the monthly maximum UV Index (UVI) for San Buenaventura 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 Buenaventura typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313131313121076
Data source: San Buenaventura 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 Buenaventura Compares to Other Months

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

This table compares monthly weather conditions in San Buenaventura, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)14 mm (0.5 inches)78%high
February Weather9°C (48°F)12 mm (0.5 inches)69%very high
March Weather13°C (55°F)10 mm (0.4 inches)63%extreme
April Weather16°C (62°F)4 mm (0.1 inches)49%extreme
May Weather20°C (69°F)6 mm (0.2 inches)39%extreme
June Weather24°C (76°F)18 mm (0.7 inches)36%extreme
July Weather22°C (73°F)103 mm (4.1 inches)60%extreme
August Weather22°C (71°F)93 mm (3.7 inches)78%extreme
September Weather20°C (67°F)73 mm (2.9 inches)82%extreme
October Weather16°C (62°F)28 mm (1.1 inches)76%very high
November Weather12°C (54°F)16 mm (0.6 inches)80%high
December Weather7°C (46°F)19 mm (0.8 inches)85%high

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