May Weather in San Jose, Philippines

Last updated: August 27, 2025

In May, the average temperature in San Jose, Philippines is a warm 29°C (84°F), making it an inviting time to explore. Temperatures can dip to a pleasant 26°C (79°F) at night, while daytime highs may reach up to 31°C (87°F). However, be prepared for some showers, as the area experiences about 79 mm (3.1 in) of precipitation over 13 days during this month. The average humidity sits at 76%, adding a touch of tropical feel to your adventures!

May Temperature in San Jose

In May in San Jose, the average temperature is 29°C (84°F). Maximums can reach 31°C (87°F), while minimums can dip to as low as 26°C (79°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates May temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, May typically has an average temperature of 29°C (84°F), with highs reaching up to 31°C (87°F) and lows dropping to around 26°C (79°F).

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

May Precipitation in San Jose

In San Jose in May, the precipitation amount is 79 mm (3.1 in) over a span of 13 days.

May Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, 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 Jose, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 13 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 Jose

In San Jose in May, humidity is 76%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities a challenge and encouraging travelers to seek shade or cool refreshments frequently.

May Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, 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 Jose is approximately 76%, 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 Jose

In San Jose 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 Jose, you can check here.

Maximum UV Index Levels in San Jose for May

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

Data source: San Jose 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 Jose Compares to Other Months

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

This table compares monthly weather conditions in San Jose, 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 (81°F)	39 mm (1.5 inches)	78%	extreme
February Weather	27°C (80°F)	19 mm (0.8 inches)	75%	extreme
March Weather	27°C (82°F)	22 mm (0.9 inches)	74%	extreme
April Weather	28°C (83°F)	28 mm (1.1 inches)	76%	extreme
May Weather	29°C (84°F)	79 mm (3.1 inches)	76%	extreme
June Weather	28°C (83°F)	352 mm (13.9 inches)	81%	extreme
July Weather	27°C (82°F)	633 mm (24.9 inches)	84%	extreme
August Weather	27°C (82°F)	450 mm (17.7 inches)	85%	extreme
September Weather	27°C (82°F)	415 mm (16.3 inches)	85%	extreme
October Weather	28°C (82°F)	373 mm (14.7 inches)	82%	extreme
November Weather	28°C (82°F)	142 mm (5.6 inches)	85%	extreme
December Weather	27°C (82°F)	162 mm (6.4 inches)	86%	extreme