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 pleasantly warm destination. Expect a minimum of 25°C (78°F) and a maximum of 29°C (85°F) during this time. However, don’t forget your umbrella, as you'll likely encounter 137 mm (5.4 in) of precipitation spread over 21 days. With an average humidity of 88%, prepare for a tropical atmosphere that can feel quite steamy!

April Temperature in San Isidro

In April in San Isidro, the average temperature is 27°C (81°F), with maximums reaching up to 29°C (85°F) and minimums dipping as low as 25°C (78°F). This pleasant weather makes it an ideal destination for travelers looking to enjoy a warm climate.

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 29°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.

April Precipitation in San Isidro

In San Isidro in April, the precipitation amount is 137 mm (5.4 in) over the course of 21 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 137 mm (5.4 inches) of precipitation spread over approximately 21 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in San Isidro

In San Isidro in April, humidity is 88%. With an average temperature of 27°C (81°F), this humidity feels like a warm, thick blanket wrapping around you as you travel, making every step feel more laborious and requiring frequent breaks to cool down and hydrate.

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 88%, offering insight into how humid the weather typically is during this month.

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 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in San Isidro.

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 16, which falls under the extreme exposure category.

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.
	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