January Weather in Santo Tomas, Philippines

Last updated: August 27, 2025

In January, the average temperature in Santo Tomas, Philippines hovers around 25°C (78°F), making it a pleasant time to explore. Expect a minimum of 19°C (66°F) and a maximum of 31°C (87°F), offering a warm climate. However, be prepared for possible rain, as you'll encounter 66 mm (2.6 in) of precipitation over 11 days. With an average humidity of 77%, the air might feel a bit muggy, so pack accordingly!

January Temperature in Santo Tomas

In January in Santo Tomas, the average temperature is 25°C (78°F), with maximums reaching 31°C (87°F) and minimums dropping as low as 19°C (66°F). This comfortable climate makes it an ideal destination for travelers seeking pleasant weather and outdoor adventures.

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

The chart illustrates January 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, January typically has an average temperature of 25°C (78°F), with highs reaching up to 31°C (87°F) and lows dropping to around 19°C (66°F).

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

January Precipitation in Santo Tomas

In Santo Tomas in January, the precipitation amount is 66 mm (2.6 in) spread over 11 days.

January Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Santo Tomas, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Santo Tomas

In Santo Tomas in January humidity is 77%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace that can quickly sap your energy, making outdoor activities more challenging and requiring frequent breaks to stay hydrated and cool.

January Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Santo Tomas is approximately 77%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Santo Tomas

In Santo Tomas in January, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Santo Tomas.

Maximum UV Index Levels in Santo Tomas for January

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas in January, 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 January, the maximum UV index in Santo Tomas typically reaches 11, which falls under the extreme exposure category.

Data source: Santo Tomas January 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 January 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	66 mm (2.6 inches)	77%	extreme
February Weather	25°C (78°F)	48 mm (1.9 inches)	73%	extreme
March Weather	26°C (80°F)	44 mm (1.7 inches)	71%	extreme
April Weather	27°C (81°F)	74 mm (2.9 inches)	73%	extreme
May Weather	28°C (83°F)	167 mm (6.6 inches)	77%	extreme
June Weather	28°C (82°F)	266 mm (10.5 inches)	85%	extreme
July Weather	27°C (80°F)	524 mm (20.6 inches)	86%	extreme
August Weather	27°C (80°F)	546 mm (21.5 inches)	87%	extreme
September Weather	27°C (80°F)	371 mm (14.6 inches)	87%	extreme
October Weather	27°C (81°F)	344 mm (13.5 inches)	86%	extreme
November Weather	27°C (80°F)	151 mm (5.9 inches)	89%	extreme
December Weather	26°C (79°F)	111 mm (4.4 inches)	85%	very high