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December Weather in San Diego, Venezuela

Last updated: August 28, 2025

In San Diego, Venezuela, the average temperature in December hovers around 23°C (73°F), with a minimum of 17°C (62°F) and a maximum reaching 31°C (88°F). Expect an average humidity of 70%, accompanied by 78 mm (3.1 in) of precipitation spread over about 20 days. Plan accordingly to make the most of your visit!

December Temperature in San Diego

In December in San Diego, the average temperature is 23°C (73°F), with maximums reaching 31°C (88°F) and minimums dipping as low as 17°C (62°F). This pleasant climate makes it an ideal time for exploring and enjoying outdoor activities in San Diego.

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

The chart illustrates December temperature patterns in San Diego, 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, December typically has an average temperature of 23°C (73°F), with highs reaching up to 31°C (88°F) and lows dropping to around 17°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec717272747675757576757473
Data source: Temperature data for San Diego 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

In San Diego in December, the total precipitation amount is 78 mm (3.1 in) spread out over 20 days.

December Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, 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, December typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec684311020926524719916114322921078
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Diego

In San Diego in December humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.

December Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, 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 is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%70%69%68%69%74%79%73%69%69%71%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Diego

In San Diego in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Diego.

Maximum UV Index Levels in San Diego for December

The chart shows the monthly maximum UV Index (UVI) for San Diego 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 typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314141414131313141110
Data source: San Diego 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 Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)68 mm (2.7 inches)69%extreme
February Weather22°C (72°F)43 mm (1.7 inches)69%extreme
March Weather22°C (73°F)110 mm (4.3 inches)69%extreme
April Weather24°C (75°F)208 mm (8.2 inches)68%extreme
May Weather24°C (76°F)265 mm (10.4 inches)69%extreme
June Weather24°C (76°F)247 mm (9.7 inches)74%extreme
July Weather24°C (75°F)199 mm (7.8 inches)79%extreme
August Weather24°C (76°F)161 mm (6.4 inches)73%extreme
September Weather24°C (76°F)143 mm (5.6 inches)69%extreme
October Weather24°C (76°F)229 mm (9.0 inches)69%extreme
November Weather23°C (74°F)210 mm (8.3 inches)71%extreme
December Weather23°C (73°F)78 mm (3.1 inches)70%very high

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