December Weather in Santo Tomas, Philippines

Last updated: August 27, 2025

In December, the average temperature in Santo Tomas, Philippines hovers around 27°C (81°F), with a minimum of 22°C (72°F) and a maximum reaching up to 34°C (93°F). Expect 264 mm (10.4 in) of rainfall over 26 days, contributing to an average humidity level of 88%. Please come prepared for a warm and humid experience!

December Temperature in Santo Tomas

In December in Santo Tomas, the average temperature is 27°C (81°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 22°C (72°F). Overall, this makes Santo Tomas a warm and pleasant destination, perfect for travelers looking to enjoy the sun.

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 27°C (81°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (72°F).

Data source: Temperature data for Santo Tomas generated using information from the Copernicus Climate Change Service.

December Precipitation in Santo Tomas

In Santo Tomas in December, the total precipitation amount is 264 mm (10.4 in) spread over 26 days, indicating a consistently rainy period.

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 264 mm (10.4 inches) of precipitation spread over approximately 26 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Santo Tomas

In Santo Tomas in December, humidity is 88%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick blanket wrapping around you as you travel, making every step feel more laborious and requiring frequent breaks to cool down and hydrate.

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 88%, offering insight into how humid the weather typically is during this month.

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 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 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 12, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	280 mm (11.0 inches)	90%	extreme
February Weather	26°C (80°F)	216 mm (8.5 inches)	90%	extreme
March Weather	27°C (81°F)	156 mm (6.1 inches)	90%	extreme
April Weather	27°C (82°F)	131 mm (5.2 inches)	88%	extreme
May Weather	28°C (83°F)	206 mm (8.1 inches)	83%	extreme
June Weather	28°C (83°F)	243 mm (9.6 inches)	81%	extreme
July Weather	28°C (82°F)	296 mm (11.7 inches)	80%	extreme
August Weather	28°C (83°F)	238 mm (9.4 inches)	81%	extreme
September Weather	28°C (83°F)	231 mm (9.1 inches)	84%	extreme
October Weather	28°C (82°F)	236 mm (9.3 inches)	81%	extreme
November Weather	27°C (81°F)	231 mm (9.1 inches)	84%	extreme
December Weather	27°C (81°F)	264 mm (10.4 inches)	88%	extreme