SeasonMapSan Martín de los Andes weather in January
Argentina
January in San Martín de los Andes: warm, a little rain, with clean air — one of the weakest months to visit.
#11 of 12 months in San Martín de los Andes · #1374 of 1383 destinations to visit in January · comfort 15/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on San Martín de los Andes in January
No notes yet. Open San Martín de los Andes on the map to add the first one.
San Martín de los Andes climate normals — January
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 11°C / 53°F | |
| Feels like (high) | 24°C / 75°F | |
| Rainfall | 30 mm / 1.2 in | 🌦 some rain |
| Rainy days | 4 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 13.2 h/day | |
| Daylight | 14.6 h | |
| Wind | 16 km/h / 10 mph | |
| Snowfall | 0.9 cm / 0.4 in | |
| Air quality (US AQI) | 19 | 🍃 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 January
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 crowdsArgentine summer holidays, Summer holidays in Argentina, school holidays in 3 of the markets that fill it(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).
Toughest weatherSan Martín de los Andes's weather peaks June–August.
Best weatherFair weatherToughest weather
What's on in San Martín de los Andes in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Trail and Lanin season
15 Nov – 15 Apr · usuallyTrail seasonThe high routes in Lanin national park open once the snow goes, and the volcano itself is climbed in these months with registration at the park office. Refuges and campsites run to the same window.
- Holiday
Argentine summer holidays
20 Dec – 28 FebSchool holidaysCrowdedJanuary fills the lake beaches and the Siete Lagos road with campers and there is no quiet corner on Lacar. February is a little easier and the water is at its warmest. Source ↗
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 January — FAQ
- Is January a good time to visit San Martín de los Andes?
- January in San Martín de los Andes: warm, a little rain, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for San Martín de los Andes on SeasonMap's comfort score (15/100).
- What is the weather like in San Martín de los Andes in January?
- In January, San Martín de los Andes averages a daily high of 23.9°C and a low of 11.4°C, with about 30.3 mm of rain over roughly 4.4 rainy days.
- What is the air quality in San Martín de los Andes in January?
- San Martín de los Andes has a mean US Air Quality Index of about 19 in January.
Other months in San Martín de los Andes
Compare San Martín de los Andes in January
Warmer or cooler than San Martín de los Andes in January
Similar destinations in South America — January
Within 300 km: San Carlos de Bariloche's Lupins on the roadsides around 15 Nov – 10 Jan.