January Weather in Santo Tomas, Philippines

Last updated: August 27, 2025

In January, the average temperature in Santo Tomas, Philippines is a pleasant 25°C (77°F), with lows dipping to 19°C (67°F) and highs reaching up to 32°C (90°F). Visitors should prepare for approximately 209 mm (8.2 in) of precipitation over 22 days, along with a notable average humidity of 90%.

January Temperature in Santo Tomas

In January in Santo Tomas, the average temperature is 25°C (77°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop to as low as 19°C (67°F). This mild and pleasant climate makes it an ideal destination for outdoor activities and sightseeing.

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 (77°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (67°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 209 mm (8.2 in) during 22 days, showcasing a significant level of rainfall throughout the month.

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 209 mm (8.2 inches) of precipitation spread over approximately 22 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 90%. With an average temperature of 25°C (77°F), this humidity feels like a warm, moist blanket enveloping you, making any outdoor travel feel stifling and heavy, often leading to a quick exhaustion as you navigate through the sultry air.

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 90%, 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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, 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 13, 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 (77°F)	209 mm (8.2 inches)	90%	extreme
February Weather	25°C (77°F)	192 mm (7.6 inches)	92%	extreme
March Weather	25°C (78°F)	138 mm (5.4 inches)	90%	extreme
April Weather	26°C (80°F)	146 mm (5.8 inches)	87%	extreme
May Weather	27°C (80°F)	240 mm (9.4 inches)	83%	extreme
June Weather	26°C (80°F)	245 mm (9.6 inches)	83%	extreme
July Weather	26°C (79°F)	295 mm (11.6 inches)	82%	extreme
August Weather	26°C (79°F)	249 mm (9.8 inches)	83%	extreme
September Weather	26°C (79°F)	263 mm (10.3 inches)	85%	extreme
October Weather	26°C (79°F)	367 mm (14.5 inches)	82%	extreme
November Weather	26°C (79°F)	189 mm (7.4 inches)	83%	extreme
December Weather	25°C (78°F)	270 mm (10.6 inches)	87%	extreme