May Weather in Casian, Philippines

Last updated: August 27, 2025

In May, the average temperature in Casian, Philippines hovers around 28°C (83°F), with a minimum of 26°C (79°F) and a maximum reaching 31°C (89°F). Prepare for frequent showers, as precipitation totals about 159 mm (6.3 in) over an average of 24 days. The ambiance is quite humid, with an average humidity level of 79%, making it feel even warmer.

May Temperature in Casian

In May in Casian, the average temperature is 28°C (83°F). The maximum can reach 31°C (89°F), while the minimum can drop to 26°C (79°F). Overall, it's a warm and pleasant destination for travelers seeking mild weather and outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 28°C (83°F), with highs reaching up to 31°C (89°F) and lows dropping to around 26°C (79°F).

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

May Precipitation in Casian

In Casian in May, the precipitation amount is 159 mm (6.3 in) spread over 24 days.

May Precipitation Trends in Casian

The chart displays monthly precipitation patterns in Casian, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Casian, May typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 24 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Casian

In Casian in May humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.

May Average Humidity in Casian

This chart illustrates the average monthly humidity levels in Casian, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Casian is approximately 79%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Casian

In Casian in May, 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 Casian, you can check here.

Maximum UV Index Levels in Casian for May

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

Data source: Casian May 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 May 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 May’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 May’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