Climate guide for Portillo, Chile

Portillo in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
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May · Chile

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

Weather in Portillo in May

Average temperature -4°C, 11 mm of rain, about 8 days with 6+ hours of sunshine and 45% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

7.2/10

Ranked #3 of 12 months

Full year for Portillo
Avg temp
-4°C
Rainfall
11 mm
Humidity
45%
Days with 6h+ sun
8
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Portillo scores 7.2/10 for snow and ski travel - one of the top 12-month picks (#3). Expect around -4°C, 11 mm of rain, and roughly 8 days with 6+ hours of sunshine this month.

Legendary Andean ski resort overlooking the turquoise Laguna del Inca.

May in Portillo — reliably good (3rd best month)

At -4°C (25°F) this is proper winter weather in May: layer up and split the day between outdoor highlights and indoor stops.

Only 11 mm of water-equivalent precipitation is expected (snow at altitude), leaving about 8 days with 6+ hours of sunshine and 10.3 hours of daylight.

That is 7.2/10 on the same scale — 3rd 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 mid-season pricing, and crowds are moderate.

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 May?
In May, Portillo averages -4°C, 11 mm of rain, and about 8 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
Is May a good time to visit Portillo?
May earns a 7.2/10 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 May?
Expect about 11 mm of rain in May. Average humidity is 45% and there are about 8 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.