Las Leñas weather by month

The best time to visit Las Leñas is June to August — 89/100 in August, 3°C and 9 rainy days. The best season is winter, June to August (87/100 on average).

The worst month is January at 13/100 — nice, a little rain, clean air. See January →

Updated September 2026 · climate normals from ERA5 reanalysis

Planning the wider trip? Best time to visit Argentina →

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

Best season: June to August (87/100 on average) · worst January (13/100)

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

Las Leñas, month by month

Comfort score out of 100 for the kind of trip Las Leñas is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.

MonthScoreTierHighRainSunCrowdsOn
Jan13F21°C6 d13 hBusy1
Feb15F22°C5 d12 hBusy1
Mar21F20°C4 d11 hBusy1
Apr46F14°C5 d10 hShoulder1
May74B7°C8 d8 hShoulder1
Jun87A2°C10 d8 hBusy3
Jul85A2°C9 d8 hPeak3
Aug89A3°C9 d9 hPeak3
Sep80A5°C8 d10 hBusy2
Oct69C8°C7 d12 hBusy3
Nov41F12°C5 d13 hShoulder1
Dec18F18°C4 d13 hBusy1

What's on in Las Leñas through the year

Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.

June
  • Ski season20 Jun – 1 Oct (usually)Season
  • Snow chains on the RP 2221 Jun – 15 Oct (usually)Rule
July
  • Argentine winter holidays10 Jul – 5 Aug (usually)Season
October
  • Out of season5 Oct – 15 Jun (usually)Closure

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

Traveller notes on Las Leñas

What people who have been say about the place — the year-round notes first, then month by month.

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 ↗
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 ↗
Forum posters name July as peak mid-winter season and generally the best pure-skiing window here, with August a value alternative offering comparably good conditions at typically lower rates - posters specifically recommend skipping July's school-holiday crowds by waiting until just after the first week of August if avoiding peak season matters more than exact snow timing. Posters describe conditions as genuinely cold, consistent with other high-altitude Andean resorts, though with a real quirk: the altitude here can block enough Pacific-sourced humidity that cold temperatures don't always translate into abundant snowfall, so posters recommend checking current snow reports rather than assuming cold guarantees good coverage. Wind is flagged as a genuine operational risk too, with posters noting lifts can close due to high winds even on an otherwise cold, clear day.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
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 ↗
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 ↗
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 ↗

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