Weather in Santiago in April

Prime time. If you get to pick your dates, April is the one. Highs average 28 °C, lows 14.1 °C, and rain falls on 3 days — nothing in the month is working against you.

April ranks 3 of 12 in Santiago. Only September scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain falls on only 3 days, so an itinerary with no wet-weather fallback is a reasonable risk. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 11 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest April day reached 37 °C and the coldest night fell to 2.6 °C.

This is the volatile part. April rainfall has ranged from 0 mm to 68 mm across the twenty years measured — a 68 mm spread around an average of 12 mm. The average is real but almost no individual April looks like it, so treat the figure as the middle of a wide range rather than a forecast.

Wind is light at 5.9 km/h, so the temperature on the page is close to the temperature on your skin, and the air is dry at 33% humidity, which makes the heat far more bearable than the same figure somewhere humid — and dehydrates you faster than you expect.

How April sits in the year

The month is on the way down: 3.6 °C cooler than March, with May dropping another 4.3 °C. The first week and the last are not the same trip.

Daylight in April

11.3 hours of daylight, losing 1 hours across the month. That is between Santiago's extremes of 14.3 and 9.9 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 26.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Busy. Popular without being frantic; book the things you care about, improvise the rest.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

April in Santiago versus nearby

If Santiago is one option among several, the nearby comparison is worth making. Córdoba is close enough to be a coin toss — 2 °C cooler, 4 days more rain. San Miguel de Tucumán is close enough to be a coin toss — within a degree on temperature, 5 days more rain.

So: April is effectively as good as it gets here — 4 points behind September, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Santiago

See all twelve months in Santiago, or where else to go in April.