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April Weather in San Isidro, Philippines

Last updated: August 27, 2025

In April, the average temperature in San Isidro, Philippines hovers around 27°C (81°F), making it a comfortable time for outdoor activities. Expect minimum temperatures of 22°C (72°F) and highs reaching up to 32°C (90°F). With an average humidity of 73%, the weather can feel quite humid, while precipitation levels reach about 41 mm (1.6 in) over the course of 14 days. Make sure to plan accordingly!

April Temperature in San Isidro

In April in San Isidro, the average temperature is 27°C (81°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 22°C (72°F). This makes San Isidro an ideal destination for travelers seeking warm and pleasant weather during this time.

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

The chart illustrates April 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, April typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec787880818282818080818179
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.

April Precipitation in San Isidro

In San Isidro in April, the precipitation amount is 41 mm (1.6 in) over a span of 14 days.

April Precipitation Trends in San Isidro

The chart displays monthly precipitation patterns in San Isidro, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Isidro, April typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4826204216139859261037925011548
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Isidro

In San Isidro in April, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

April Average Humidity in San Isidro

This chart illustrates the average monthly humidity levels in San Isidro, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Isidro is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Isidro

In San Isidro in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for San Isidro in April, 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 April, the maximum UV index in San Isidro typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414131314141413109
Data source: San Isidro April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)48 mm (1.9 inches)77%very high
February Weather25°C (78°F)26 mm (1.0 inches)73%extreme
March Weather26°C (80°F)20 mm (0.8 inches)71%extreme
April Weather27°C (81°F)41 mm (1.6 inches)73%extreme
May Weather28°C (82°F)161 mm (6.3 inches)77%extreme
June Weather28°C (82°F)398 mm (15.7 inches)85%extreme
July Weather27°C (81°F)592 mm (23.3 inches)86%extreme
August Weather27°C (80°F)610 mm (24.0 inches)87%extreme
September Weather27°C (81°F)378 mm (14.9 inches)87%extreme
October Weather27°C (81°F)250 mm (9.8 inches)86%extreme
November Weather27°C (81°F)115 mm (4.5 inches)89%very high
December Weather26°C (79°F)48 mm (1.9 inches)85%very high

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