April Weather in Santiago, Mexico

Last updated: August 27, 2025

In April, the average temperature in Santiago, Mexico is a warm 28°C (83°F), with minimums dipping to 19°C (66°F) and maximums soaring to 41°C (107°F). Visitors can expect about 23 mm (0.9 in) of precipitation over roughly 5 days, accompanied by an average humidity of 81%. Stay prepared for both sunny days and occasional showers!

April Temperature in Santiago

In April in Santiago, the average temperature is 28°C (83°F), with maximums reaching up to 41°C (107°F) and minimums dropping as low as 19°C (66°F). This diverse range makes it essential to pack accordingly for your trip, ensuring you're prepared for both the heat 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 28°C (83°F), with highs reaching up to 41°C (107°F) and lows dropping to around 19°C (66°F).

Data source: Temperature data for Santiago generated using information from the Copernicus Climate Change Service.

April Precipitation in Santiago

In Santiago in April, the precipitation amount is 23 mm (0.9 in) over the course of 5 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 23 mm (0.9 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Santiago

In Santiago in April, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	23°C (73°F)	42 mm (1.7 inches)	88%	very high
February Weather	24°C (75°F)	41 mm (1.6 inches)	86%	extreme
March Weather	26°C (78°F)	25 mm (1.0 inches)	84%	extreme
April Weather	28°C (83°F)	23 mm (0.9 inches)	81%	extreme
May Weather	30°C (86°F)	58 mm (2.3 inches)	82%	extreme
June Weather	29°C (84°F)	285 mm (11.2 inches)	81%	extreme
July Weather	28°C (83°F)	221 mm (8.7 inches)	81%	extreme
August Weather	28°C (83°F)	230 mm (9.0 inches)	82%	extreme
September Weather	28°C (83°F)	313 mm (12.3 inches)	86%	extreme
October Weather	27°C (81°F)	226 mm (8.9 inches)	90%	extreme
November Weather	25°C (77°F)	108 mm (4.2 inches)	91%	very high
December Weather	23°C (74°F)	38 mm (1.5 inches)	91%	very high