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May Weather in San Jose, Philippines

Last updated: August 27, 2025

In May, the average temperature in San Jose, Philippines hovers around 26°C (79°F). The climate can be quite variable, with minimum temperatures dipping to 20°C (69°F) and peaking at 34°C (94°F). Expect a notable precipitation amount of 249 mm (9.8 in) over 28 days, contributing to the area's average humidity of 81%. 🌧️

May Temperature in San Jose

In May in San Jose, the average temperature is 26°C (79°F). Maximums can reach 34°C (94°F), and minimums can be as low as 20°C (69°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy all that San Jose has to offer.

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 26°C (79°F), with highs reaching up to 34°C (94°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec767677797977767676777676
Data source: Temperature data for San Jose generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Jose

In San Jose in May, the total precipitation amount is 249 mm (9.8 in) over the course of 28 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 249 mm (9.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec15914496120249285291212234325155172
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Jose

In San Jose in May, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%79%81%84%83%84%87%82%83%86%
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 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 San Jose.

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 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516171513141515141312
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.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)159 mm (6.2 inches)85%extreme
February Weather25°C (76°F)144 mm (5.7 inches)84%extreme
March Weather25°C (78°F)96 mm (3.8 inches)82%extreme
April Weather26°C (79°F)120 mm (4.7 inches)79%extreme
May Weather26°C (79°F)249 mm (9.8 inches)81%extreme
June Weather25°C (78°F)285 mm (11.2 inches)84%extreme
July Weather24°C (76°F)291 mm (11.5 inches)83%extreme
August Weather25°C (77°F)212 mm (8.3 inches)84%extreme
September Weather25°C (77°F)234 mm (9.2 inches)87%extreme
October Weather25°C (77°F)325 mm (12.8 inches)82%extreme
November Weather25°C (77°F)155 mm (6.1 inches)83%extreme
December Weather25°C (76°F)172 mm (6.8 inches)86%extreme

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