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December Weather in San Diego (Pueblo Viejo), Mexico

Last updated: August 27, 2025

In December, the average temperature in San Diego (Pueblo Viejo), Mexico is a pleasant 16°C (60°F). However, be prepared for some variability, as temperatures can drop to a chilly 0°C (32°F) or soar to a warm 31°C (88°F). Expect about 17 mm (0.7 in) of precipitation spread over 4 days, and don't forget that humidity can be quite high, averaging around 91%.

December Temperature in San Diego (Pueblo Viejo)

In December in San Diego (Pueblo Viejo), the average temperature is 16°C (60°F), with maximums reaching 31°C (88°F) and minimums dropping as low as 0°C (32°F). This varied climate makes it ideal for travelers to pack both warm and light clothing for a comfortable stay.

December Weather in San Diego (Pueblo Viejo): Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Diego (Pueblo 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 Diego (Pueblo Viejo), December typically has an average temperature of 16°C (60°F), with highs reaching up to 31°C (88°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec596367737675747573696460
Data source: Temperature data for San Diego (Pueblo 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 Diego (Pueblo Viejo)

In San Diego (Pueblo Viejo) in December, the precipitation amount is 17 mm (0.7 in) over a span of 4 days.

December Precipitation Trends in San Diego (Pueblo Viejo)

The chart displays monthly precipitation patterns in San Diego (Pueblo 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 Diego (Pueblo Viejo), December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec24243029681561301081921804617
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Diego (Pueblo Viejo)

In San Diego (Pueblo Viejo) in December, humidity is 91%. With an average temperature of 16°C (60°F), this humidity feels like you're walking through a warm, damp mist, making travel quite uncomfortable and sticky as you navigate the bustling streets.

December Average Humidity in San Diego (Pueblo Viejo)

This chart illustrates the average monthly humidity levels in San Diego (Pueblo 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 Diego (Pueblo Viejo) is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Diego (Pueblo Viejo)

In San Diego (Pueblo Viejo) 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 Diego (Pueblo Viejo).

Maximum UV Index Levels in San Diego (Pueblo Viejo) for December

The chart shows the monthly maximum UV Index (UVI) for San Diego (Pueblo 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 Diego (Pueblo Viejo) typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810131413131413131197
Data source: San Diego (Pueblo 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 Diego (Pueblo Viejo) Compares to Other Months

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

This table compares monthly weather conditions in San Diego (Pueblo Viejo), showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)24 mm (0.9 inches)88%very high
February Weather17°C (63°F)23 mm (0.9 inches)86%very high
March Weather20°C (68°F)30 mm (1.2 inches)83%extreme
April Weather23°C (73°F)29 mm (1.2 inches)80%extreme
May Weather24°C (76°F)68 mm (2.7 inches)82%extreme
June Weather24°C (75°F)156 mm (6.1 inches)79%extreme
July Weather24°C (75°F)130 mm (5.1 inches)72%extreme
August Weather24°C (75°F)108 mm (4.3 inches)74%extreme
September Weather23°C (73°F)192 mm (7.6 inches)84%extreme
October Weather21°C (69°F)180 mm (7.1 inches)92%extreme
November Weather18°C (64°F)46 mm (1.8 inches)91%very high
December Weather16°C (60°F)17 mm (0.7 inches)91%high

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