SeasonMapSan Martín de los Andes weather in August
Argentina
August in San Martín de los Andes: cold, soaked, with clean air — fine if you can take 16 rainy days.
#1 of 12 months in San Martín de los Andes · #635 of 1383 destinations to visit in August · comfort 81/100 (tier A)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Martín de los Andes in August
Notes from nearby San Carlos de Bariloche (110 km away)
San Martín de los Andes doesn't have its own notes for August yet — these are about San Carlos de Bariloche, close enough to share the season.
Regulars on Bariloche's forum are clear that August is proper winter — cold, breezy, genuine ski season — and not a month to expect much beyond the mountains and the town itself; most say pair it with Villa La Angostura or the lake circuit rather than trying to do much else.
Add your own note from San Martín de los Andes's card on the map.
San Martín de los Andes climate normals — August
| Daytime high | 8°C / 46°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 36°F | |
| Feels like (high) | 5°C / 41°F | |
| Rainfall | 160 mm / 6.3 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 2°C / 36°F | |
| Sunshine | 8 h/day | |
| Daylight | 10.6 h | |
| Wind | 14 km/h / 8 mph | |
| Snowfall | 86.9 cm / 34.2 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in San Martín de los Andes 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.
BusyArgentine winter recess(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for San Martín de los Andes'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 weatherSan Martín de los Andes's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in San Martín de los Andes in August
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Chapelco ski season
25 Jun – 30 Sep · usuallyThe hill is twenty minutes out of town and usually turns the lifts on at the start of July, holding until late September. Low snow years open the base only, and the town says so plainly.
- Holiday
Argentine winter recess
8 Jul – 2 Aug · usuallySchool holidaysCrowdedBook earlyThe school break puts the whole country on the mountain for three weeks and this is the busiest, dearest stretch of the year in town. Ski passes and cabins go months ahead. Source ↗
- Season
Snow season
Ski seasonAbout 87 cm of snow falls in the month.
from the climate normals
Nearby, and something's on
Within 300 km of San Martín de los Andes — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is San Martín de los Andes?
San Martín de los Andes in August — FAQ
- Is August a good time to visit San Martín de los Andes?
- August in San Martín de los Andes: cold, soaked, with clean air — fine if you can take 16 rainy days. It ranks #1 of 12 months for San Martín de los Andes on SeasonMap's comfort score (81/100).
- What is the weather like in San Martín de los Andes in August?
- In August, San Martín de los Andes averages a daily high of 7.8°C and a low of 2.2°C, with about 160.2 mm of rain over roughly 15.5 rainy days.
- What is the air quality in San Martín de los Andes in August?
- San Martín de los Andes has a mean US Air Quality Index of about 27 in August.
- Does it snow in San Martín de los Andes in August?
- San Martín de los Andes sees roughly 86.9 cm of snowfall in August.
Other months in San Martín de los Andes
Compare San Martín de los Andes in August
Warmer or cooler than San Martín de los Andes in August
Similar destinations in South America — August
Within 300 km: San Carlos de Bariloche's Fiesta Nacional de la Nieve on 14–17 Aug.