May Weather in San Isidro, Philippines

Last updated: August 27, 2025

In May, the average temperature in San Isidro, Philippines hovers around 28°C (82°F), with a minimum of 25°C (78°F) and a maximum of 30°C (85°F). However, be prepared for the rain, as the region receives an average precipitation of 187 mm (7.4 in) over 26 days. The climate is characterized by a relatively high average humidity of 83%, making it a warm and sultry month.

May Temperature in San Isidro

In May in San Isidro, the average temperature is 28°C (82°F), with maximums reaching up to 30°C (85°F) and minimums dropping as low as 25°C (78°F). This pleasant climate makes it an ideal time for travelers seeking warm weather and outdoor adventures.

May Weather in San Isidro: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Isidro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Isidro, May typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (85°F) and lows dropping to around 25°C (78°F).

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

May Precipitation in San Isidro

In San Isidro in May, the precipitation amount is 187 mm (7.4 in) during 26 days, indicating a significant level of rainfall over that period.

May Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, 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 San Isidro, May typically receives around 187 mm (7.4 inches) of precipitation spread over approximately 26 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 San Isidro

In San Isidro in May humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

May Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, 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 San Isidro is approximately 83%, 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 San Isidro

In San Isidro 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 San Isidro, you can check here.

Maximum UV Index Levels in San Isidro for May

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

Data source: San Isidro 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 San Isidro Compares to Other Months

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

This table compares monthly weather conditions in San Isidro, 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 (80°F)	312 mm (12.3 inches)	90%	extreme
February Weather	26°C (80°F)	264 mm (10.4 inches)	90%	extreme
March Weather	27°C (80°F)	202 mm (7.9 inches)	90%	extreme
April Weather	27°C (81°F)	137 mm (5.4 inches)	88%	extreme
May Weather	28°C (82°F)	187 mm (7.4 inches)	83%	extreme
June Weather	28°C (82°F)	210 mm (8.3 inches)	81%	extreme
July Weather	28°C (83°F)	216 mm (8.5 inches)	80%	extreme
August Weather	28°C (83°F)	178 mm (7.0 inches)	81%	extreme
September Weather	28°C (82°F)	167 mm (6.6 inches)	84%	extreme
October Weather	28°C (82°F)	269 mm (10.6 inches)	81%	extreme
November Weather	27°C (81°F)	282 mm (11.1 inches)	84%	extreme
December Weather	27°C (81°F)	477 mm (18.8 inches)	88%	extreme