May Weather in Isabela, Philippines

Last updated: August 27, 2025

In Isabela, Philippines, the average temperature in May reaches a warm 29°C (84°F), with daily variations that can dip to a minimum of 24°C (75°F) and soar to a maximum of 36°C (97°F). Expect considerable rainfall, with 209 mm (8.2 in) of precipitation spread over 29 days, contributing to an average humidity level of 84%.

May Temperature in Isabela

In May in Isabela, the average temperature is 29°C (84°F). The maximum can reach up to 36°C (97°F), while the minimum can drop to as low as 24°C (75°F). This warm weather makes Isabela an ideal destination for those looking to enjoy sunny days and outdoor activities.

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

The chart illustrates May temperature patterns in Isabela, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Isabela, May typically has an average temperature of 29°C (84°F), with highs reaching up to 36°C (97°F) and lows dropping to around 24°C (75°F).

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

May Precipitation in Isabela

In Isabela in May, the precipitation amount is 209 mm (8.2 in) spread over 29 days.

May Precipitation Trends in Isabela

The chart displays monthly precipitation patterns in Isabela, 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 Isabela, May typically receives around 209 mm (8.2 inches) of precipitation spread over approximately 29 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Isabela

In Isabela in May, humidity is 84%. With an average temperature of 29°C (84°F), this humidity feels like a warm blanket enveloping you, making travel sticky and somewhat stifling, yet invigorating, as every step is accompanied by a gentle, humid embrace.

May Average Humidity in Isabela

This chart illustrates the average monthly humidity levels in Isabela, 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 Isabela is approximately 84%, 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 Isabela

In Isabela 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 Isabela, you can check here.

Maximum UV Index Levels in Isabela for May

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

Data source: Isabela 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 Isabela Compares to Other Months

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

This table compares monthly weather conditions in Isabela, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	147 mm (5.8 inches)	85%	extreme
February Weather	27°C (80°F)	104 mm (4.1 inches)	80%	extreme
March Weather	28°C (82°F)	84 mm (3.3 inches)	77%	extreme
April Weather	28°C (84°F)	75 mm (3.0 inches)	78%	extreme
May Weather	29°C (84°F)	209 mm (8.2 inches)	84%	extreme
June Weather	28°C (82°F)	288 mm (11.3 inches)	87%	extreme
July Weather	27°C (81°F)	346 mm (13.6 inches)	88%	extreme
August Weather	27°C (81°F)	307 mm (12.1 inches)	89%	extreme
September Weather	27°C (81°F)	335 mm (13.2 inches)	90%	extreme
October Weather	27°C (81°F)	314 mm (12.4 inches)	87%	extreme
November Weather	27°C (81°F)	203 mm (8.0 inches)	90%	extreme
December Weather	27°C (81°F)	235 mm (9.3 inches)	91%	extreme