December Weather in San Luis, Venezuela

Last updated: August 28, 2025

In San Luis, Venezuela, the average temperature in December is a pleasant 25°C (78°F). Expect a range that can dip to a minimum of 18°C (64°F) and soar up to a maximum of 37°C (98°F). During this month, average precipitation is around 18 mm (0.7 in), typically spread over 4 days. Additionally, the average humidity sits comfortably at 70%, creating a warm and inviting climate.

December Temperature in San Luis

In December in San Luis, the average temperature is 25°C (78°F). Maximums can reach 37°C (98°F) while minimums can drop to as low as 18°C (64°F). This makes it an ideal time for travelers who enjoy warm weather and outdoor activities.

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

The chart illustrates December temperature patterns in San Luis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Luis, December typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec767777798080818281797877
Data source: Temperature data for San Luis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Luis

In San Luis in December, the total precipitation amount is 18 mm (0.7 in) spread over a duration of 4 days.

December Precipitation Trends in San Luis

The chart displays monthly precipitation patterns in San Luis, 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 Luis, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec129475510686446516015412718
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in San Luis

In San Luis in December humidity is 70%. With an average temperature of 25°C (78°F), this humidity feels like a warm embrace, making traveling feel both sultry and invigorating as the air wraps around you, encouraging slower-paced exploration amidst the vibrant surroundings.

December Average Humidity in San Luis

This chart illustrates the average monthly humidity levels in San Luis, 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 Luis 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 Luis

In San Luis 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 Luis.

Maximum UV Index Levels in San Luis for December

The chart shows the monthly maximum UV Index (UVI) for San Luis 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 Luis typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314141413131313131110
Data source: San Luis 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 Luis Compares to Other Months

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

This table compares monthly weather conditions in San Luis, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (76°F)12 mm (0.5 inches)69%extreme
February Weather25°C (77°F)9 mm (0.4 inches)69%extreme
March Weather25°C (78°F)47 mm (1.9 inches)69%extreme
April Weather26°C (79°F)55 mm (2.2 inches)68%extreme
May Weather27°C (81°F)106 mm (4.2 inches)69%extreme
June Weather27°C (80°F)86 mm (3.4 inches)74%extreme
July Weather27°C (81°F)44 mm (1.7 inches)79%extreme
August Weather28°C (82°F)64 mm (2.5 inches)73%extreme
September Weather27°C (81°F)160 mm (6.3 inches)69%extreme
October Weather26°C (79°F)154 mm (6.1 inches)69%extreme
November Weather25°C (78°F)127 mm (5.0 inches)71%extreme
December Weather25°C (78°F)18 mm (0.7 inches)70%very high

Compare San Luis's Climate with Cities Worldwide