January Weather in San Guillermo, Philippines

Last updated: August 27, 2025

In January, the average temperature in San Guillermo, Philippines is a pleasant 24°C (75°F). Enjoy the warm weather as temperatures can range from a cool 17°C (63°F) to a balmy 32°C (90°F). Be prepared for some rain, with an average precipitation of 159 mm (6.3 in) spread over 16 days. Don’t forget that the average humidity is a muggy 77%, adding to the tropical feel!

January Temperature in San Guillermo

In January in San Guillermo, the average temperature is 24°C (75°F). Maximums can reach 32°C (90°F) and minimums can be as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

January Weather in San Guillermo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Guillermo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Guillermo, January typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 17°C (63°F).

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

January Precipitation in San Guillermo

In San Guillermo in January, the precipitation amount is 159 mm (6.3 in) over the course of 16 days.

January Precipitation Trends in San Guillermo

The chart displays monthly precipitation patterns in San Guillermo, 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 San Guillermo, January typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 16 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 San Guillermo

In San Guillermo in January humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.

January Average Humidity in San Guillermo

This chart illustrates the average monthly humidity levels in San Guillermo, 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 San Guillermo 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 San Guillermo

In San Guillermo 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 San Guillermo.

Maximum UV Index Levels in San Guillermo for January

The chart shows the monthly maximum UV Index (UVI) for San Guillermo 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 San Guillermo typically reaches 11, which falls under the extreme exposure category.

Data source: San Guillermo 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 San Guillermo Compares to Other Months

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

This table compares monthly weather conditions in San Guillermo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	159 mm (6.3 inches)	77%	extreme
February Weather	24°C (75°F)	117 mm (4.6 inches)	73%	extreme
March Weather	26°C (78°F)	73 mm (2.9 inches)	71%	extreme
April Weather	27°C (81°F)	53 mm (2.1 inches)	73%	extreme
May Weather	29°C (85°F)	148 mm (5.8 inches)	77%	extreme
June Weather	30°C (86°F)	128 mm (5.1 inches)	85%	extreme
July Weather	29°C (84°F)	288 mm (11.3 inches)	86%	extreme
August Weather	29°C (84°F)	240 mm (9.5 inches)	87%	extreme
September Weather	28°C (82°F)	221 mm (8.7 inches)	87%	extreme
October Weather	27°C (80°F)	252 mm (9.9 inches)	86%	extreme
November Weather	26°C (79°F)	237 mm (9.3 inches)	89%	very high
December Weather	24°C (76°F)	289 mm (11.4 inches)	85%	very high