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May Weather in Santiago, Philippines

Last updated: August 27, 2025

In May, the average temperature in Santiago, Philippines hovers around 27°C (82°F), with a minimum of 23°C (74°F) and a maximum reaching 31°C (88°F). Expect about 170 mm (6.7 in) of precipitation spread over 25 days, contributing to an average humidity of 77%. Stay prepared for a warm and damp atmosphere!

May Temperature in Santiago

In May in Santiago, the average temperature is 27°C (82°F). Maximums can reach 31°C (88°F), and minimums can be as low as 23°C (74°F). This pleasant climate makes Santiago an ideal destination for travelers seeking warm weather and outdoor adventures.

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 27°C (82°F), with highs reaching up to 31°C (88°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec777779808181808080808079
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 170 mm (6.7 in) spread over 25 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 170 mm (6.7 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec7843325717039058655638431516873
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 77%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket wrapping around you, making travel feel heavy and slightly stifling, requiring frequent breaks and hydration to enjoy the sights comfortably.

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 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10131414131314141413109
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)78 mm (3.1 inches)77%very high
February Weather25°C (77°F)43 mm (1.7 inches)73%extreme
March Weather26°C (79°F)32 mm (1.3 inches)71%extreme
April Weather27°C (80°F)57 mm (2.2 inches)73%extreme
May Weather27°C (82°F)170 mm (6.7 inches)77%extreme
June Weather27°C (82°F)390 mm (15.3 inches)85%extreme
July Weather27°C (80°F)586 mm (23.1 inches)86%extreme
August Weather27°C (80°F)556 mm (21.9 inches)87%extreme
September Weather27°C (80°F)384 mm (15.1 inches)87%extreme
October Weather27°C (81°F)315 mm (12.4 inches)86%extreme
November Weather27°C (80°F)168 mm (6.6 inches)89%very high
December Weather26°C (79°F)73 mm (2.9 inches)85%very high

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