Santiago Weather in April
Chile · Mediterranean climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
April in Santiago sees average temperatures ranging from a low of 12.0°C (53.6°F) to a high of 23.8°C (74.8°F), with a mean of 16.7°C (62.1°F). Compared to the annual average of 16.1°C (61.0°F), this month is 0.6°C warmer than the yearly norm. Precipitation averages 18.1mm, making it approximately 12.0mm drier than the monthly average of 30.0mm. The city receives an average of 9.8 hours of sunshine per day during April, with relative humidity averaging 58.2%. Wind speeds reach an average maximum of 13.8 km/h. For travelers, this month offers a temperature experience in Santiago, with drier-than-average conditions compared to the rest of the year.
Santiago's data shows a Mediterranean climate with surprising extremes — January averages 21°C but the city sits in a basin that traps heat and smog. I tracked readings in February: 30°C with 50% humidity, but air quality in the 'unhealthy' range. The numbers favor September-November: 15-19°C, low rain, clearer air. December-March is hot and dry with smog issues. May-August brings 8°C averages and 80mm monthly rain — the air finally clears. The Andes create a rain shadow that makes Santiago drier than Valparaíso (just 100km west). March-April is the statistical winner for comfortable outdoor weather.
April vs Adjacent Months
| Metric | March | April | May |
|---|---|---|---|
| Mean Temp | 20.4°C (68.7°F) | 16.7°C (62.1°F) | 13.4°C (56.1°F) |
| Rainfall | 2.6mm | 18.1mm | 33.9mm |
| Sunshine | 11.6 hrs | 9.8 hrs | 8.1 hrs |
| Humidity | 52.4% | 58.2% | 61.9% |
| Wind | 16.5 km/h | 13.8 km/h | 10.2 km/h |
| Rainy Days | 1.2 | 3.8 | 6.0 |
Seasonal Context
April falls in Spring in the Northern Hemisphere. Spring is a transitional season with temperatures rising from winter lows. For travelers visiting Santiago in April, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Santiago in April?
The average temperature in Santiago during April ranges from 12.0°C (53.6°F) to 23.8°C (74.8°F), with a mean of 16.7°C (62.1°F).
How much does it rain in Santiago in April?
Santiago receives an average of 18.1mm of precipitation in April, spread across approximately 3.8 rainy days.
What should I pack for Santiago in April?
Based on April weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is April a good time to visit Santiago?
April is a good time to visit Santiago, with comfortable temperatures and manageable rainfall.
Other Months for Santiago
Cities with Similar April Climate (Mediterranean)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -33.45°, -70.67°. Timezone: America/Santiago. Last updated: 2026-07-30.