May Weather in San Fernando, Philippines

Last updated: August 27, 2025

In May, the average temperature in San Fernando, Philippines hovers around 26°C (79°F), with a comfortable minimum of 18°C (65°F) and a warm maximum reaching 35°C (95°F). This month sees an average precipitation of 260 mm (10.2 in) spread over 17 days, contributing to a significant average humidity of 77%. Perfect for those who enjoy a tropical atmosphere!

May Temperature in San Fernando

In May in San Fernando, the average temperature is 26°C (79°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop to as low as 18°C (65°F). This makes it an ideal time for travelers to enjoy a warm climate while exploring the outdoor attractions.

May Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, May typically has an average temperature of 26°C (79°F), with highs reaching up to 35°C (95°F) and lows dropping to around 18°C (65°F).

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

May Precipitation in San Fernando

In San Fernando in May, the total precipitation amount is 260 mm (10.2 in) spread over 17 days.

May Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 Fernando, May typically receives around 260 mm (10.2 inches) of precipitation spread over approximately 17 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 San Fernando

In San Fernando in May humidity is 77%. With an average temperature of 26°C (79°F), this humidity feels like walking through a warm, thick fog that clings to your skin, making every step feel heavier and more exhausting while exploring the sights.

May Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 Fernando is approximately 77%, 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 San Fernando

In San Fernando 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 Fernando, you can check here.

Maximum UV Index Levels in San Fernando for May

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

Data source: San Fernando 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 Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	21°C (70°F)	239 mm (9.4 inches)	77%	extreme
February Weather	21°C (70°F)	192 mm (7.6 inches)	73%	extreme
March Weather	23°C (74°F)	141 mm (5.6 inches)	71%	extreme
April Weather	24°C (76°F)	124 mm (4.9 inches)	73%	extreme
May Weather	26°C (79°F)	260 mm (10.2 inches)	77%	extreme
June Weather	27°C (80°F)	152 mm (6.0 inches)	85%	extreme
July Weather	26°C (79°F)	275 mm (10.8 inches)	86%	extreme
August Weather	26°C (79°F)	254 mm (10.0 inches)	87%	extreme
September Weather	25°C (78°F)	269 mm (10.6 inches)	87%	extreme
October Weather	24°C (76°F)	294 mm (11.6 inches)	86%	extreme
November Weather	23°C (74°F)	271 mm (10.7 inches)	89%	extreme
December Weather	22°C (71°F)	366 mm (14.4 inches)	85%	very high