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May Weather in Santo Tomas, Philippines

Last updated: August 27, 2025

In May, the average temperature in Santo Tomas, Philippines reaches a warm 27°C (80°F), with a minimum of 21°C (71°F) and a maximum soaring to 35°C (95°F). Expect 240 mm (9.4 in) of precipitation over approximately 27 days, contributing to a high average humidity of 83%. Prepare for a tropical embrace!

May Temperature in Santo Tomas

In May in Santo Tomas, the average temperature is 27°C (80°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 21°C (71°F). This warm and pleasant weather makes it an ideal time for travelers to explore and enjoy outdoor activities in Santo Tomas.

May Weather in Santo Tomas: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santo Tomas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tomas, May typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec777778798080797979797978
Data source: Temperature data for Santo Tomas 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 Santo Tomas

In Santo Tomas in May, the total precipitation amount is 240 mm (9.4 in) spread over 27 days.

May Precipitation Trends in Santo Tomas

The chart displays monthly precipitation patterns in Santo Tomas, 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 Santo Tomas, May typically receives around 240 mm (9.4 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec209192138146240245295249263367189270
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santo Tomas

In Santo Tomas in May, humidity is 83%. With an average temperature of 27°C (80°F), this humidity feels like a warm, steamy embrace, making traveling a bit uncomfortable as the air clings to your skin and renders even the slightest exertion more exhausting.

May Average Humidity in Santo Tomas

This chart illustrates the average monthly humidity levels in Santo Tomas, 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 Santo Tomas is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%92%91%87%84%83%82%83%85%82%84%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santo Tomas

In Santo Tomas 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 Santo Tomas.

Maximum UV Index Levels in Santo Tomas for May

The chart shows the monthly maximum UV Index (UVI) for Santo Tomas 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 Santo Tomas typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec131516161513141415141311
Data source: Santo Tomas 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 Santo Tomas Compares to Other Months

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

This table compares monthly weather conditions in Santo Tomas, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)209 mm (8.2 inches)90%extreme
February Weather25°C (77°F)192 mm (7.6 inches)92%extreme
March Weather25°C (78°F)138 mm (5.4 inches)90%extreme
April Weather26°C (80°F)146 mm (5.8 inches)87%extreme
May Weather27°C (80°F)240 mm (9.4 inches)83%extreme
June Weather26°C (80°F)245 mm (9.6 inches)83%extreme
July Weather26°C (79°F)295 mm (11.6 inches)82%extreme
August Weather26°C (79°F)249 mm (9.8 inches)83%extreme
September Weather26°C (79°F)263 mm (10.3 inches)85%extreme
October Weather26°C (79°F)367 mm (14.5 inches)82%extreme
November Weather26°C (79°F)189 mm (7.4 inches)83%extreme
December Weather25°C (78°F)270 mm (10.6 inches)87%extreme

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