December Weather in Casian, Philippines

Last updated: August 27, 2025

In December, the average temperature in Casian, Philippines is a warm 27°C (81°F), with lows of 25°C (77°F) and highs reaching up to 29°C (85°F). Expect a fair amount of rain, with 286 mm (11.2 in) of precipitation spread across 23 days. With an average humidity of 86%, prepare for a tropical feel as you enjoy the sunny days!

December Temperature in Casian

In December in Casian, the average temperature is 27°C (81°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes Casian an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates December 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, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°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.

December Precipitation in Casian

In Casian in December, the precipitation amount is 286 mm (11.2 in) over the course of 23 days.

December Precipitation Trends in Casian

The chart displays monthly precipitation patterns in Casian, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Casian, December typically receives around 286 mm (11.2 inches) of precipitation spread over approximately 23 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Casian

In Casian in December, humidity is 86%. With an average temperature of 27°C (81°F), this humidity feels like walking through a steamy blanket, making traveling feel heavy and exhausting as each step absorbs the warm, moist air.

December Average Humidity in Casian

This chart illustrates the average monthly humidity levels in Casian, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Casian is approximately 86%, offering insight into how humid the weather typically is during this month.

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

December UV Index in Casian

In Casian in December, 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 Casian.

Maximum UV Index Levels in Casian for December

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

Data source: Casian December 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 December 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 December’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 December’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