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December Weather in San Luis, Philippines

Last updated: August 27, 2025

In December, the average temperature in San Luis, Philippines is a comfortable 26°C (79°F), with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 31°C (88°F). However, prepare for a moist month, as the area receives an average precipitation of 239 mm (9.4 in) over 27 days, resulting in an average humidity of 87%.

December Temperature in San Luis

In December in San Luis, the average temperature is 26°C (79°F). Maximums can reach 31°C (88°F), while minimums can drop to as low as 22°C (72°F). This pleasant weather makes San Luis an ideal destination for travelers seeking warmth and comfort during that time of year.

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 26°C (79°F), with highs reaching up to 31°C (88°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec777778798180808180807979
Data source: Temperature data for San Luis 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 Luis

In San Luis in December, the precipitation amount is 239 mm (9.4 in) distributed over 27 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 239 mm (9.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec378311183124204291364279326311227239
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Luis

In San Luis in December, humidity is 87%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick blanket, making it essential to stay hydrated and take frequent breaks while exploring.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%91%87%84%83%82%83%85%82%84%87%
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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161514141515141312
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 (78°F)378 mm (14.9 inches)90%extreme
February Weather25°C (77°F)311 mm (12.2 inches)92%extreme
March Weather26°C (78°F)183 mm (7.2 inches)90%extreme
April Weather26°C (80°F)124 mm (4.9 inches)87%extreme
May Weather27°C (81°F)204 mm (8.0 inches)83%extreme
June Weather27°C (81°F)291 mm (11.5 inches)83%extreme
July Weather27°C (80°F)364 mm (14.3 inches)82%extreme
August Weather27°C (81°F)278 mm (11.0 inches)83%extreme
September Weather27°C (81°F)326 mm (12.8 inches)85%extreme
October Weather27°C (80°F)311 mm (12.2 inches)82%extreme
November Weather26°C (80°F)227 mm (8.9 inches)83%extreme
December Weather26°C (79°F)239 mm (9.4 inches)87%extreme

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