December Weather in Santo Tomas, Philippines

Last updated: August 27, 2025

In December, the average temperature in Santo Tomas, Philippines hovers around 26°C (79°F), with a minimum of 21°C (69°F) and a maximum reaching 32°C (90°F). You'll also want to prepare for rain, as 197 mm (7.7 in) of precipitation may fall over 17 days. With an average humidity of 86%, it's a month that feels both warm and tropical!

December Temperature in Santo Tomas

In December in Santo Tomas, the average temperature is a pleasant 26°C (79°F). It can reach a maximum of 32°C (90°F) and drop to a minimum of 21°C (69°F). This makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

December Weather in Santo Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Santo Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tomas, December typically has an average temperature of 26°C (79°F), with highs reaching up to 32°C (90°F) and lows dropping to around 21°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880828382818180808079
Data source: Temperature data for Santo Tomas 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 Santo Tomas

In Santo Tomas in December, the total precipitation amount reaches 197 mm (7.7 in) over a course of 17 days.

December Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, 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 Santo Tomas, December typically receives around 197 mm (7.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec79474134147251404315357272173197
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Santo Tomas

In Santo Tomas in December, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

December Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, 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 Santo Tomas is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%74%76%76%81%84%85%86%82%85%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Santo Tomas

In Santo Tomas 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 Santo Tomas.

Maximum UV Index Levels in Santo Tomas for December

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas 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 Santo Tomas typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151314141414131110
Data source: Santo Tomas 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 Santo Tomas Compares to Other Months

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

This table compares monthly weather conditions in Santo Tomas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)79 mm (3.1 inches)78%extreme
February Weather25°C (78°F)47 mm (1.9 inches)75%extreme
March Weather27°C (80°F)41 mm (1.6 inches)74%extreme
April Weather28°C (82°F)34 mm (1.3 inches)76%extreme
May Weather29°C (84°F)147 mm (5.8 inches)76%extreme
June Weather28°C (83°F)251 mm (9.9 inches)81%extreme
July Weather27°C (81°F)404 mm (15.9 inches)84%extreme
August Weather27°C (81°F)315 mm (12.4 inches)85%extreme
September Weather27°C (81°F)357 mm (14.1 inches)85%extreme
October Weather27°C (80°F)272 mm (10.7 inches)82%extreme
November Weather27°C (80°F)173 mm (6.8 inches)85%extreme
December Weather26°C (79°F)197 mm (7.7 inches)86%very high

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