Climate guide for Portillo, Chile

Portillo in August

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

August · Chile

Best time to visit Portillo in August Weather, crowds & prices

Weather in Portillo in August

Average temperature -6°C, 15 mm of rain, about 9 days with 6+ hours of sunshine and 51% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

August score

7.6/10

Ranked #2 of 12 months

Full year for Portillo
Avg temp
-6°C
Rainfall
15 mm
Humidity
51%
Days with 6h+ sun
9
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

August in Portillo scores 7.6/10 for snow and ski travel - one of the top 12-month picks (#2). Expect around -6°C, 15 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.

Legendary Andean ski resort overlooking the turquoise Laguna del Inca.

August in Portillo: strong conditions, 2nd of 12

August sits at -6°C (22°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.

Only 15 mm of water-equivalent precipitation is expected (snow at altitude), leaving about 9 days with 6+ hours of sunshine and 10.8 hours of daylight.

That is 7.6/10 on the same scale — 2nd of 12 months, versus 8.6/10 for the best month here.

Pack insulated layers, a windproof shell, gloves and boots with grip, goggles and a helmet if you are not renting.

Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Portillo in August?
In August, Portillo averages -6°C, 15 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 7.6/10.
Is August a good time to visit Portillo?
August earns a 7.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Portillo in August?
Expect about 15 mm of rain in August. Average humidity is 51% and there are about 9 days with 6+ hours of sunshine.

Curated in Portillo

Tickets & experiences

Things to do in Portillo

Portillo, Chile. Live activities and tours from GetYourGuide, matched to this destination.