May Weather in Santiago, Philippines

Last updated: August 27, 2025

In May, the average temperature in Santiago, Philippines is a pleasant 26°C (79°F). Expect a minimum of 23°C (74°F) and a maximum of 30°C (86°F), offering a warm and inviting climate. However, be prepared for 201 mm (7.9 in) of precipitation over 28 days, contributing to an average humidity of 83%.

May Temperature in Santiago

In May in Santiago, the average temperature is 26°C (79°F). Maximums can reach 30°C (86°F), while minimums can dip as low as 23°C (74°F). This mild climate makes it an ideal destination for travelers seeking warm and comfortable conditions.

May Weather in Santiago: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santiago, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santiago, May typically has an average temperature of 26°C (79°F), with highs reaching up to 30°C (86°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777778797979797979797978
Data source: Temperature data for Santiago 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 Santiago

In Santiago in May, the precipitation amount is 201 mm (7.9 in) over a period of 28 days.

May Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, 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 Santiago, May typically receives around 201 mm (7.9 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec299201136113201228269200235268175212
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santiago

In Santiago in May, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

May Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, 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 Santiago 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 Santiago

In Santiago 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 Santiago.

Maximum UV Index Levels in Santiago for May

The chart shows the monthly maximum UV Index (UVI) for Santiago 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 Santiago typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516161514141515151312
Data source: Santiago 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 Santiago Compares to Other Months

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

This table compares monthly weather conditions in Santiago, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)299 mm (11.8 inches)90%extreme
February Weather25°C (77°F)201 mm (7.9 inches)92%extreme
March Weather25°C (78°F)136 mm (5.4 inches)90%extreme
April Weather26°C (79°F)113 mm (4.4 inches)87%extreme
May Weather26°C (79°F)201 mm (7.9 inches)83%extreme
June Weather26°C (79°F)228 mm (9.0 inches)83%extreme
July Weather26°C (79°F)269 mm (10.6 inches)82%extreme
August Weather26°C (79°F)200 mm (7.9 inches)83%extreme
September Weather26°C (79°F)235 mm (9.3 inches)85%extreme
October Weather26°C (79°F)268 mm (10.5 inches)82%extreme
November Weather26°C (79°F)175 mm (6.9 inches)83%extreme
December Weather26°C (78°F)212 mm (8.3 inches)87%extreme

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