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December Weather in San Antonio, Venezuela

Last updated: August 28, 2025

In San Antonio, Venezuela, the average temperature in December reaches a warm 29°C (85°F). Temperatures can vary, with a minimum of 22°C (72°F) and a maximum of 37°C (100°F). Expect a bit of rain, as precipitation averages 10 mm (0.4 in) over the course of 2 days. The overall humidity sits at a comfortable 52%, making it a pleasant time to explore the area.

December Temperature in San Antonio

In December in San Antonio, the average temperature is 29°C (85°F). Maximums can reach up to 37°C (100°F) while minimums can drop to as low as 22°C (72°F). Be prepared for warm weather and stay hydrated while enjoying your travels!

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 29°C (85°F), with highs reaching up to 37°C (100°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec858888868281808182828284
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 10 mm (0.4 in) over a period of 2 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 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec161331012252562261961751519110
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 52%. With average temperature of 29°C (85°F), this humidity feels like a warm, slightly sticky embrace, making travel comfortable yet requiring occasional breaks in the shade to stay refreshed.

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 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec43%40%38%42%63%88%89%86%80%65%63%53%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315141413131313131210
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 Weather29°C (85°F)16 mm (0.6 inches)43%extreme
February Weather31°C (88°F)1 mm (0.0 inches)40%extreme
March Weather31°C (88°F)33 mm (1.3 inches)38%extreme
April Weather30°C (86°F)101 mm (4.0 inches)42%extreme
May Weather28°C (83°F)225 mm (8.9 inches)63%extreme
June Weather27°C (81°F)256 mm (10.1 inches)88%extreme
July Weather27°C (80°F)226 mm (8.9 inches)89%extreme
August Weather27°C (81°F)196 mm (7.7 inches)86%extreme
September Weather28°C (82°F)175 mm (6.9 inches)80%extreme
October Weather28°C (82°F)151 mm (6.0 inches)65%extreme
November Weather28°C (83°F)91 mm (3.6 inches)63%extreme
December Weather29°C (85°F)10 mm (0.4 inches)52%very high

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