Las Leñas weather in August

August in Las Leñas: cold, rainy, with clean air — one of the best months to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Las Leñas🇦🇷 Argentina · Andes Ski Country · Ski89
  1. 13Jan
  2. 15Feb
  3. 21Mar
  4. 46Apr
  5. 74May
  6. 87Jun
  7. 85Jul
  8. 89Aug
  9. 80Sep
  10. 69Oct
  11. 41Nov
  12. 18Dec

#1 of 12 months in Las Leñas · #291 of 1413 destinations to visit in August · comfort 89/100 (tier A)

Days
3°C
Nights
-3°C
Wet days
9
Sun
9.1 h
Humidity
60%
Daylight
11 h
Las Leñas, Argentina
Photo: Andre Charland from Canada · CC BY 2.0

Traveller notes on Las Leñas in August

Las Lenas-forum threads on an August visit describe this as genuinely the strongest stretch of the season, posters recommending going after the first week to dodge July's school holiday crowds. Regulars call Hotel Aries and the Virgo Hotel and Spa the real ski-in ski-out picks, several posters naming wine bars, pools and spa tubs as standard amenities at either. Posters recommend basing in Malargue as a genuine budget alternative, several regulars describing a daily bus to the hill an hour away with passes bought there running roughly half price. Regulars call this genuinely the most important resort in Argentina despite mixed reviews on terrain variety, several threads calling mid-August conditions capable of turning excellent. Posters recommend booking well ahead of an August visit, several regulars calling this the resort's genuine peak demand window. The record: 3.4C days, -3.4C nights, an extraordinarily high 113mm across over 9 days and 60 percent humidity.
LasLenasAugustRegular · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Las Leñas

Las Lenas-forum reviews on a January visit describe this as genuinely deep off-season, posters calling the resort virtually deserted with only one real restaurant open, average food at somewhat inflated prices given the lack of competition. Regulars call January and February genuinely the warmest months, several posters naming Southern Hemisphere summer as the reason ski infrastructure sits fully closed. Posters recommend Valle Hermoso, Pozo de las Animas and Laguna de la Nina Encantada as real summer highlights, several regulars naming these spots worth the trip even with lifts shut. Regulars call the Andes views here genuinely excellent regardless of season, several threads describing this as a real consolation for anyone visiting outside winter. Posters recommend treating a January visit as a scenery trip rather than a resort stay, several regulars calling this the honest expectation. The record: 20.9C days, 9C nights, 43.2mm across nearly 6 days and 55 percent humidity.
LasLenasJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗
Las Lenas-forum threads on an October visit describe this as genuinely the tail end of the season, posters naming June through mid-October as the real operating window before the resort closes for the year. Regulars call spring storms here a real possibility even this late, several posters describing visits timed around large late-season systems for a final push. Posters call wind closures a genuine recurring issue regardless of exact dates, several regulars warning the top of the mountain can stay shut for extended stretches when conditions turn. Regulars call this genuinely the most important ski resort in Argentina despite mixed reviews on terrain, several threads describing it as a real love-it-or-hate-it destination. Posters recommend checking conditions close to an October trip, several regulars calling this standard given how much the late season here can vary year to year. The record: 7.5C days, -0.4C nights, 43mm across over 7 days and 72 percent humidity.
LasLenasOctoberRegular · October · 1 month ago · Read more on Tripadvisor ↗
Las Lenas-forum threads on skiing describe the resort as genuinely serious terrain by Argentine standards, dry, plentiful powder and a base above 2,200 meters drawing dedicated skiers rather than a broader family crowd. Posters are split overall, some calling it the country's most important resort while others describe slow lifts and a comparatively bleak, treeless landscape as real drawbacks. Regulars call September still solidly within the season, spring conditions arriving later here than at resorts further north. Access is a genuine consideration, the drive from Mendoza running through San Rafael and Malargue rather than a short hop. Posters recommend checking current lift and snow conditions given how remote the resort sits, isolated even by regional standards. Regulars call the terrain worth the trip for anyone chasing serious vertical. The record: 5.3C days feeling like a raw 3C, -2.4C nights, a notably high 47.4cm of fresh accumulation and 65 percent humidity.
LasLenasSeptemberRegular · September · 1 month ago · Read more on tripadvisor.co.nz ↗
Argentina ski forum threads rate July as peak season and the best month at Las Leñas, with August a solid alternative offering comparable snow at better rates once school holidays clear out. Posters were consistent in praising the terrain - among the steepest and most serious in South America - but just as consistent in warning about wind: Las Leñas is genuinely prone to lift closures when it blows hard, more so than many comparable resorts. The cold itself was flagged as a real adjustment for anyone used to warmer climates, and July specifically means booking around Argentine school holiday crowds if avoiding them matters.
MendozaAndesSkiRegular · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Las Leñas's card on the map.

Las Leñas climate normals — August

Daytime high3°C / 38°F🧥 cold
Nighttime low-3°C / 26°F
Feels like (high)0°C / 32°F
Rainfall113 mm / 4.4 in🌧 rainy
Rainy days9 days
Humidity60%💧 humid
Dew point-9°C / 17°F
Sunshine9.1 h/day
Daylight10.9 h
Wind11 km/h / 7 mph
Snowfall80 cm / 31.5 in
Air quality (US AQI)47🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Las Leñas in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsSki season, Argentine winter holidays(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Las Leñas's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherLas Leñas's weather peaks June–August.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Las Leñas in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Snow chains on the RP 222

    1 Jun – 15 Oct · usuallyWinter road closures

    Through the winter the gendarmerie can turn back any car without chains on the provincial road up from the RN 40, snow on the tarmac or not, and storms close the road outright for a day or two at a time. Source ↗

  • Season

    Ski season

    20 Jun – 1 Oct · usuallyCrowded

    The resort usually opens in the second half of June and runs to late September. 2026 was a bad snow year: it opened on 11 July with three and a half kilometres of machine-made piste and closed on 28 September. Source ↗

  • Season

    Argentine winter holidays

    10 Jul – 5 Aug · usuallySchool holidaysCrowdedBook early

    The July school break is the only stretch when the valley's apartment blocks are genuinely full and the beginner lifts queue. The resort charters flights and buses from Buenos Aires for it.

  • Season

    Snow season

    Ski season

    About 80 cm of snow falls in the month.

    from the climate normals

What's on around the world in August →

Nearby, and something's on

Within 300 km of Las Leñas — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Las Leñas?

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Las Leñas in August — FAQ

Is August a good time to visit Las Leñas?
August in Las Leñas: cold, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Las Leñas on SeasonMap's comfort score (89/100).
What is the weather like in Las Leñas in August?
In August, Las Leñas averages a daily high of 3.4°C and a low of -3.4°C, with about 113 mm of rain over roughly 9.2 rainy days.
What is the air quality in Las Leñas in August?
Las Leñas has a mean US Air Quality Index of about 47 in August.
Does it snow in Las Leñas in August?
Las Leñas sees roughly 80 cm of snowfall in August.

Within 300 km: Santiago's Ski season around 14 Jun – 4 Oct, and Valle Nevado's Ski season around 19 Jun – 5 Oct.