May Weather in Siay, Philippines

Last updated: August 27, 2025

The average temperature in Siay, Philippines during May reaches a pleasant 28°C (82°F). While temperatures can dip to a minimum of 24°C (76°F), they may soar to a maximum of 34°C (93°F). Expect frequent rainfall, with a total precipitation of 254 mm (10.0 in) over 29 days, and an average humidity level of 81%. Enjoy the tropical vibes!

May Temperature in Siay

In May in Siay, the average temperature is 28°C (82°F), with maximums reaching 34°C (93°F) and minimums dropping to 24°C (76°F). This pleasant climate makes Siay an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates May temperature patterns in Siay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siay, May typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).

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

May Precipitation in Siay

In Siay in May, the total precipitation amount is 254 mm (10.0 in), spread over 29 days.

May Precipitation Trends in Siay

The chart displays monthly precipitation patterns in Siay, 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 Siay, May typically receives around 254 mm (10.0 inches) of precipitation spread over approximately 29 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 Siay

In Siay in May, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

May Average Humidity in Siay

This chart illustrates the average monthly humidity levels in Siay, 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 Siay is approximately 81%, 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 Siay

In Siay 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 Siay, you can check here.

Maximum UV Index Levels in Siay for May

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

Data source: Siay 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 Siay Compares to Other Months

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

This table compares monthly weather conditions in Siay, 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)	147 mm (5.8 inches)	85%	extreme
February Weather	27°C (81°F)	83 mm (3.3 inches)	84%	extreme
March Weather	28°C (82°F)	131 mm (5.2 inches)	82%	extreme
April Weather	28°C (82°F)	135 mm (5.3 inches)	79%	extreme
May Weather	28°C (82°F)	254 mm (10.0 inches)	81%	extreme
June Weather	27°C (81°F)	265 mm (10.4 inches)	84%	extreme
July Weather	27°C (81°F)	282 mm (11.1 inches)	83%	extreme
August Weather	27°C (81°F)	234 mm (9.2 inches)	84%	extreme
September Weather	27°C (81°F)	296 mm (11.7 inches)	87%	extreme
October Weather	27°C (81°F)	282 mm (11.1 inches)	82%	extreme
November Weather	27°C (81°F)	215 mm (8.5 inches)	83%	extreme
December Weather	27°C (81°F)	167 mm (6.6 inches)	86%	extreme