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April Weather in Santiago, Brazil

Last updated: August 22, 2025

In April, the average temperature in Santiago, Brazil is a pleasant 20°C (68°F). However, temperatures can vary widely, dipping to a cool 6°C (43°F) and peaking at a warm 33°C (92°F). Visitors should prepare for some rain, as the area typically sees 104 mm (4.1 in) of precipitation over an average of 8 days. With an average humidity of 81%, be ready for a refreshing yet moist experience!

April Temperature in Santiago

In April in Santiago, the average temperature is 20°C (68°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 6°C (43°F). This makes it a great time for travelers to enjoy a variety of outdoor activities, from sunbathing to exploring the local scenery, while being prepared for cooler evenings.

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

The chart illustrates April 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, April typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec777572686158575964677175
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.

April Precipitation in Santiago

In Santiago, in April, the precipitation amount is 104 mm (4.1 in) over a span of 8 days.

April Precipitation Trends in Santiago

The chart displays monthly precipitation patterns in Santiago, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Santiago, April typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec17610114610419511310311715017414389
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Santiago

In Santiago in April humidity is 81%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace that can make outdoor activities feel steamy and exhausting, potentially leading travelers to seek shade or a refreshing drink more often.

April Average Humidity in Santiago

This chart illustrates the average monthly humidity levels in Santiago, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Santiago is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%73%73%81%87%84%80%71%74%78%77%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Santiago

In Santiago in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santiago.

Maximum UV Index Levels in Santiago for April

The chart shows the monthly maximum UV Index (UVI) for Santiago in April, 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 April, the maximum UV index in Santiago typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1514129655710131414
Data source: Santiago April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)176 mm (6.9 inches)74%extreme
February Weather24°C (75°F)101 mm (4.0 inches)73%extreme
March Weather22°C (73°F)146 mm (5.7 inches)73%extreme
April Weather20°C (68°F)104 mm (4.1 inches)81%very high
May Weather16°C (61°F)195 mm (7.7 inches)87%high
June Weather15°C (59°F)113 mm (4.4 inches)84%moderate
July Weather14°C (57°F)103 mm (4.1 inches)80%moderate
August Weather15°C (60°F)116 mm (4.6 inches)71%high
September Weather18°C (64°F)150 mm (5.9 inches)74%very high
October Weather20°C (68°F)174 mm (6.9 inches)77%extreme
November Weather22°C (72°F)143 mm (5.6 inches)77%extreme
December Weather24°C (75°F)89 mm (3.5 inches)85%extreme

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