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May Weather in San Isidro, Philippines

Last updated: August 27, 2025

In San Isidro, Philippines, the average temperature in May is a pleasant 28°C (82°F). Expect a minimum of 25°C (78°F) and a peak of 30°C (86°F), creating a comfortable climate. However, be prepared for some rain, as the area receives about 90 mm (3.6 in) of precipitation spread over 20 days. The air tends to be quite humid, with an average humidity level of 83%.

May Temperature in San Isidro

In May in San Isidro, the average temperature is 28°C (82°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 25°C (78°F). This pleasant weather makes it an ideal time for outdoor activities and exploring all that San Isidro has to offer.

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 (86°F) and lows dropping to around 25°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879808282818281818180
Data source: Temperature data for San Isidro generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Isidro

In San Isidro in May, the precipitation amount is 90 mm (3.6 in) over a span of 20 days.

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 90 mm (3.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec227129919090191333272290242196359
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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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.
JanFebMarAprMayJunJulAugSepOctNovDec82%78%77%79%83%86%87%87%88%85%89%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec121315161414141415131111
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.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)227 mm (8.9 inches)82%extreme
February Weather26°C (78°F)129 mm (5.1 inches)78%extreme
March Weather26°C (79°F)91 mm (3.6 inches)77%extreme
April Weather27°C (81°F)90 mm (3.5 inches)79%extreme
May Weather28°C (82°F)90 mm (3.6 inches)83%extreme
June Weather28°C (82°F)191 mm (7.5 inches)86%extreme
July Weather27°C (81°F)333 mm (13.1 inches)87%extreme
August Weather28°C (82°F)271 mm (10.7 inches)87%extreme
September Weather27°C (82°F)290 mm (11.4 inches)88%extreme
October Weather27°C (81°F)242 mm (9.5 inches)85%extreme
November Weather27°C (81°F)196 mm (7.7 inches)89%extreme
December Weather26°C (80°F)359 mm (14.1 inches)89%extreme

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