January Weather in Casian, Philippines

Last updated: August 27, 2025

In January, the average temperature in Casian, Philippines hovers around 27°C (81°F). You can expect a pleasant range, with minimums of 25°C (77°F) and maximums reaching 29°C (84°F). However, be prepared for a bit of rain, as 135 mm (5.3 in) of precipitation may fall over the course of 16 days. With an average humidity level of 80%, the air will feel quite tropical!

January Temperature in Casian

In January in Casian, the average temperature is 27°C (81°F). Maximums can reach 29°C (84°F), while minimums can drop to 25°C (77°F). This mild and pleasant weather makes Casian an ideal destination for travelers seeking warmth and comfort.

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

The chart illustrates January temperature patterns in Casian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casian, January typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (84°F) and lows dropping to around 25°C (77°F).

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

January Precipitation in Casian

In Casian in January, precipitation amounts to 135 mm (5.3 in) over the course of 16 days.

January Precipitation Trends in Casian

The chart displays monthly precipitation patterns in Casian, 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 Casian, January typically receives around 135 mm (5.3 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 Casian

In Casian in January humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

January Average Humidity in Casian

This chart illustrates the average monthly humidity levels in Casian, 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 Casian is approximately 80%, 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 Casian

In Casian in January, 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 Casian.

Maximum UV Index Levels in Casian for January

The chart shows the monthly maximum UV Index (UVI) for Casian 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 Casian typically reaches 12, which falls under the extreme exposure category.

Data source: Casian 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 Casian Compares to Other Months

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

This table compares monthly weather conditions in Casian, 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)	135 mm (5.3 inches)	80%	extreme
February Weather	27°C (80°F)	72 mm (2.9 inches)	77%	extreme
March Weather	27°C (81°F)	81 mm (3.2 inches)	77%	extreme
April Weather	28°C (83°F)	48 mm (1.9 inches)	79%	extreme
May Weather	28°C (83°F)	159 mm (6.3 inches)	79%	extreme
June Weather	28°C (83°F)	241 mm (9.5 inches)	81%	extreme
July Weather	28°C (82°F)	311 mm (12.2 inches)	82%	extreme
August Weather	28°C (82°F)	241 mm (9.5 inches)	84%	extreme
September Weather	28°C (82°F)	259 mm (10.2 inches)	86%	extreme
October Weather	27°C (82°F)	324 mm (12.8 inches)	81%	extreme
November Weather	28°C (82°F)	231 mm (9.1 inches)	84%	extreme
December Weather	27°C (81°F)	286 mm (11.2 inches)	86%	extreme