December Weather in San Antonio, Venezuela

Last updated: August 28, 2025

In December, the average temperature in San Antonio, Venezuela hovers around 23°C (73°F), making it a pleasant time to visit. Expect temperatures to range from a minimum of 15°C (60°F) to a maximum of 31°C (88°F). However, be prepared for some rain, as precipitation reaches 70 mm (2.8 in) over about 16 days. With an average humidity of 55%, the air remains relatively comfortable throughout the month.

December Temperature in San Antonio

In December in San Antonio, the average temperature is 23°C (73°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 15°C (60°F). It's an ideal time for traveling, offering pleasant weather that suits various outdoor activities.

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

The chart illustrates December temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, 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 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec727273757574747475757473
Data source: Temperature data for San Antonio 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 Antonio

In San Antonio in December, the precipitation amount is 70 mm (2.8 in) over a period of 16 days.

December Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, December typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec2929453478120118120103906170
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Antonio

In San Antonio in December, humidity is 55%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, invigorating for outdoor adventures but also prompting travelers to stay hydrated and seek occasional shade during their explorations.

December Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%53%51%50%50%64%82%72%63%53%56%55%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Antonio

In San Antonio in December, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Antonio.

Maximum UV Index Levels in San Antonio for December

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151414141414131211
Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)29 mm (1.1 inches)54%extreme
February Weather22°C (73°F)29 mm (1.1 inches)53%extreme
March Weather23°C (73°F)45 mm (1.8 inches)51%extreme
April Weather24°C (75°F)34 mm (1.3 inches)50%extreme
May Weather24°C (75°F)78 mm (3.1 inches)50%extreme
June Weather23°C (74°F)120 mm (4.7 inches)64%extreme
July Weather23°C (74°F)118 mm (4.6 inches)82%extreme
August Weather23°C (74°F)120 mm (4.7 inches)72%extreme
September Weather24°C (75°F)103 mm (4.1 inches)63%extreme
October Weather24°C (75°F)90 mm (3.6 inches)53%extreme
November Weather23°C (74°F)61 mm (2.4 inches)56%extreme
December Weather23°C (73°F)70 mm (2.8 inches)55%extreme

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