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May Weather in San Antonio, Philippines

Last updated: August 27, 2025

In May, the average temperature in San Antonio, Philippines hovers around 29°C (84°F). Expect a comfortable minimum of 24°C (76°F) and a peak temperature reaching up to 36°C (96°F). Rain might be frequent, with a total precipitation of 130 mm (5.1 in) spread over 24 days. Moreover, the average humidity is around 78%, adding to the warm and tropical vibe of the season.

May Temperature in San Antonio

In May in San Antonio, the average temperature is 29°C (84°F), with maximums reaching 36°C (96°F) and minimums dipping to as low as 24°C (76°F). This warm weather makes San Antonio an ideal destination for travelers seeking a sunny escape.

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

The chart illustrates May temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, May typically has an average temperature of 29°C (84°F), with highs reaching up to 36°C (96°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec797981838482818181818180
Data source: Temperature data for San Antonio 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 Antonio

In San Antonio in May, the precipitation amount is 130 mm (5.1 in) over a period of 24 days.

May Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, May typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec124846550130246323335320266151172
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Antonio

In San Antonio in May humidity is 78%. With an average temperature of 29°C (84°F), this humidity feels like a thick blanket enveloping you, making travel feel sticky and exhausting as you navigate through the heat.

May Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%77%78%80%81%83%85%81%83%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Antonio

In San Antonio 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 Antonio, you can check here.

Maximum UV Index Levels in San Antonio for May

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121416171414141415131211
Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)124 mm (4.9 inches)81%extreme
February Weather26°C (80°F)84 mm (3.3 inches)78%extreme
March Weather27°C (81°F)65 mm (2.6 inches)76%extreme
April Weather28°C (83°F)50 mm (2.0 inches)77%extreme
May Weather29°C (84°F)130 mm (5.1 inches)78%extreme
June Weather28°C (83°F)246 mm (9.7 inches)80%extreme
July Weather27°C (81°F)323 mm (12.7 inches)81%extreme
August Weather27°C (81°F)335 mm (13.2 inches)83%extreme
September Weather27°C (81°F)320 mm (12.6 inches)85%extreme
October Weather27°C (81°F)266 mm (10.5 inches)80%extreme
November Weather27°C (81°F)151 mm (6.0 inches)83%extreme
December Weather27°C (80°F)171 mm (6.8 inches)86%extreme

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