May Weather in Santiago, Paraguay

Last updated: August 31, 2025

In May, the average temperature in Santiago, Paraguay hovers around 19°C (66°F). You can expect a range from a cool 6°C (44°F) to a warm 33°C (92°F). This month also brings 208 mm (8.2 in) of precipitation spread over 11 days, contributing to an average humidity of 82%. Plan accordingly to make the most of your time in this vibrant location!

May Temperature in Santiago

In May in Santiago, the average temperature is 19°C (66°F). Maximums can reach 33°C (92°F), and minimums can be as low as 6°C (44°F). This variation makes it essential for travelers to pack versatile clothing to comfortably enjoy the diverse weather 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 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec828077726663616469737780
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 208 mm (8.2 in) distributed over 11 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 208 mm (8.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec153891201372089874689116514587
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 82%. With an average temperature of 19°C (66°F), this humidity feels like a warm blanket wrapping around you, making it slightly uncomfortable for traveling as you might find yourself constantly seeking shade or a cool breeze.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%74%82%82%73%67%49%54%58%69%84%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Santiago, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310656710131414
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 Weather28°C (82°F)153 mm (6.0 inches)77%extreme
February Weather27°C (80°F)89 mm (3.5 inches)71%extreme
March Weather25°C (78°F)120 mm (4.7 inches)74%extreme
April Weather22°C (73°F)137 mm (5.4 inches)82%very high
May Weather19°C (66°F)208 mm (8.2 inches)82%high
June Weather17°C (63°F)98 mm (3.9 inches)73%moderate
July Weather16°C (61°F)74 mm (2.9 inches)67%high
August Weather18°C (65°F)68 mm (2.7 inches)49%high
September Weather21°C (69°F)91 mm (3.6 inches)54%very high
October Weather23°C (74°F)165 mm (6.5 inches)58%extreme
November Weather25°C (77°F)145 mm (5.7 inches)69%extreme
December Weather27°C (80°F)86 mm (3.4 inches)84%extreme

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