January Weather in Siasi, Philippines

Last updated: August 27, 2025

In January, the average temperature in Siasi, Philippines is a warm 27°C (81°F), with minimum and maximum temperatures typically ranging from 25°C (78°F) to 28°C (83°F). Expect 112 mm (4.4 in) of precipitation over approximately 16 days, contributing to an average humidity level of 82%. 🌧️🌞

January Temperature in Siasi

In January in Siasi, the average temperature is 27°C (81°F). The maximum can reach 28°C (83°F) and the minimum can be as low as 25°C (78°F). This makes it an ideal time for travelers to enjoy warm weather and outdoor activities in Siasi.

January Weather in Siasi: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Siasi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siasi, January typically has an average temperature of 27°C (81°F), with highs reaching up to 28°C (83°F) and lows dropping to around 25°C (78°F).

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

January Precipitation in Siasi

In Siasi in January, the precipitation amount is 112 mm (4.4 in) spread over 16 days.

January Precipitation Trends in Siasi

The chart displays monthly precipitation patterns in Siasi, 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 Siasi, January typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Siasi

In Siasi in January humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

January Average Humidity in Siasi

This chart illustrates the average monthly humidity levels in Siasi, 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 Siasi is approximately 82%, 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 Siasi

In Siasi in January, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Siasi, you can check here.

Maximum UV Index Levels in Siasi for January

The chart shows the monthly maximum UV Index (UVI) for Siasi 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 Siasi typically reaches 14, which falls under the extreme exposure category.

Data source: Siasi 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 Siasi Compares to Other Months

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

This table compares monthly weather conditions in Siasi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	112 mm (4.4 inches)	82%	extreme
February Weather	27°C (81°F)	76 mm (3.0 inches)	82%	extreme
March Weather	27°C (81°F)	70 mm (2.8 inches)	81%	extreme
April Weather	27°C (82°F)	64 mm (2.5 inches)	77%	extreme
May Weather	28°C (82°F)	121 mm (4.8 inches)	75%	extreme
June Weather	28°C (82°F)	154 mm (6.1 inches)	75%	extreme
July Weather	27°C (82°F)	162 mm (6.4 inches)	75%	extreme
August Weather	27°C (82°F)	130 mm (5.1 inches)	77%	extreme
September Weather	28°C (82°F)	148 mm (5.8 inches)	79%	extreme
October Weather	28°C (82°F)	159 mm (6.2 inches)	76%	extreme
November Weather	27°C (82°F)	129 mm (5.1 inches)	75%	extreme
December Weather	27°C (81°F)	158 mm (6.2 inches)	78%	extreme