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April Weather in Santiago, Mexico

Last updated: August 27, 2025

In Santiago, Mexico, the average temperature in April hovers around 19°C (67°F), offering a comfortable climate for outdoor activities. However, be prepared for temperature swings, as it can drop to a crisp 5°C (41°F) or peak at a warm 33°C (92°F). This month also sees an average precipitation of 187 mm (7.4 in) spread across about 15 days, so don't forget your umbrella! With an average humidity level of 59%, the air feels pleasantly fresh.

April Temperature in Santiago

In April in Santiago, the average temperature is 19°C (67°F), with maximums that can reach 33°C (92°F) and minimums that can drop as low as 5°C (41°F). This diverse temperature range makes Santiago a great destination for travelers seeking a mix of pleasant days and 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 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec525662667173747571665955
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 187 mm (7.4 in) over a span of 15 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 187 mm (7.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4678981871939312031191735450
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 59%. With an average temperature of 19°C (67°F), this humidity feels like a gentle embrace that can be refreshing during sightseeing but may feel a bit sticky if you're on the move for extended periods.

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 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%65%59%66%71%57%58%73%76%81%80%
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 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 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111313131312121186
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 Weather11°C (53°F)45 mm (1.8 inches)75%high
February Weather14°C (57°F)78 mm (3.1 inches)70%very high
March Weather17°C (62°F)98 mm (3.9 inches)65%extreme
April Weather19°C (67°F)187 mm (7.4 inches)59%extreme
May Weather22°C (72°F)193 mm (7.6 inches)66%extreme
June Weather23°C (74°F)93 mm (3.7 inches)71%extreme
July Weather23°C (74°F)120 mm (4.7 inches)57%extreme
August Weather24°C (75°F)30 mm (1.2 inches)58%extreme
September Weather22°C (71°F)191 mm (7.5 inches)72%extreme
October Weather19°C (66°F)73 mm (2.9 inches)76%extreme
November Weather15°C (59°F)54 mm (2.1 inches)81%very high
December Weather13°C (55°F)50 mm (2.0 inches)80%high

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