May Weather in Rosario, Philippines

Last updated: August 27, 2025

In May, the average temperature in Rosario, Philippines hovers around 28°C (83°F), creating a warm and inviting atmosphere. Expect minimums of 23°C (74°F) and maximums reaching 35°C (96°F), ideal for summer activities. However, be prepared for some rainfall, as 226 mm (8.9 in) of precipitation is spread over 28 days. With an average humidity of 83%, the air can feel quite muggy, so stay hydrated and enjoy your time!

May Temperature in Rosario

In May in Rosario, the average temperature is 28°C (83°F). Maximum temperatures can reach 35°C (96°F), while the minimum can dip down to 23°C (74°F). This pleasant climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates May temperature patterns in Rosario, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rosario, May typically has an average temperature of 28°C (83°F), with highs reaching up to 35°C (96°F) and lows dropping to around 23°C (74°F).

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

May Precipitation in Rosario

In Rosario in May, the total precipitation amount reaches 226 mm (8.9 in) over the span of 28 days.

May Precipitation Trends in Rosario

The chart displays monthly precipitation patterns in Rosario, 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 Rosario, May typically receives around 226 mm (8.9 inches) of precipitation spread over approximately 28 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 Rosario

In Rosario in May humidity is 83%. With an average temperature of 28°C (83°F), this humidity feels like a warm, sticky blanket wrapping around you, making travel uncomfortable and requiring frequent breaks to hydrate and cool down.

May Average Humidity in Rosario

This chart illustrates the average monthly humidity levels in Rosario, 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 Rosario 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 Rosario

In Rosario in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Rosario.

Maximum UV Index Levels in Rosario for May

The chart shows the monthly maximum UV Index (UVI) for Rosario 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 Rosario typically reaches 15, which falls under the extreme exposure category.

Data source: Rosario 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 Rosario Compares to Other Months

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

This table compares monthly weather conditions in Rosario, 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)	257 mm (10.1 inches)	90%	extreme
February Weather	26°C (80°F)	220 mm (8.6 inches)	90%	extreme
March Weather	27°C (81°F)	133 mm (5.2 inches)	90%	extreme
April Weather	28°C (82°F)	133 mm (5.2 inches)	88%	extreme
May Weather	28°C (83°F)	226 mm (8.9 inches)	83%	extreme
June Weather	28°C (83°F)	254 mm (10.0 inches)	81%	extreme
July Weather	28°C (83°F)	258 mm (10.2 inches)	80%	extreme
August Weather	28°C (83°F)	220 mm (8.7 inches)	81%	extreme
September Weather	28°C (83°F)	212 mm (8.4 inches)	84%	extreme
October Weather	28°C (83°F)	214 mm (8.4 inches)	81%	extreme
November Weather	27°C (82°F)	222 mm (8.7 inches)	84%	extreme
December Weather	27°C (81°F)	260 mm (10.2 inches)	88%	extreme