San Martín de los Andes in Fall
In fall (March, April and May), San Martín de los Andes sees average daytime highs around 12°C and overnight lows near 2°C, with 275 mm of precipitation over about 30 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 18°C in early March to 5°C by late May. The sky is clear or mostly clear about 29% of the time across fall, and the air most often feels dry.
Fall is San Martín de los Andes's 2nd-best season to visit on our travel score. For the whole year in context, see San Martín de los Andes's year-round climate.
- Avg daytime high
- 12°C
- 2nd-warmest season
- Avg overnight low
- 2°C
- Precipitation
- 275 mm
- 30 wet days
- Avg wind
- 9 km/h
- Travel score
- 3.2
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in San Martín de los Andes in Fall
Over the season highs ease from about 18°C in early March to 5°C by late May.
A typical fall day in San Martín de los Andes reaches about 12°C and drops to 2°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in San Martín de los Andes
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 55 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
San Martín de los Andes weather by month
How the three fall months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 20° / 6° | 33 | 5.7 | 0.4 | 14.5 | 7.2 |
| Feb | 20° / 6° | 32 | 4.7 | 0.2 | 13.6 | 7.3 |
| Mar | 17° / 5° | 42 | 7.1 | 0.4 | 12.3 | 5.8 |
| Apr | 12° / 2° | 84 | 9.6 | 2.8 | 11 | 3.0 |
| May | 7° / -0° | 149 | 13.5 | 7.5 | 9.8 | 0.9 |
| Jun | 3° / -2° | 235 | 17.5 | 15.1 | 9.2 | 0.0 |
| Jul | 3° / -3° | 191 | 16 | 15.2 | 9.4 | 0.0 |
| Aug | 4° / -3° | 176 | 15.5 | 14.2 | 10.4 | 0.0 |
| Sep | 7° / -2° | 95 | 11.4 | 9.6 | 11.7 | 0.7 |
| Oct | 10° / 0° | 87 | 11.4 | 7.4 | 13.1 | 2.1 |
| Nov | 14° / 2° | 62 | 9.3 | 3.2 | 14.2 | 4.1 |
| Dec | 17° / 5° | 56 | 7.7 | 1.6 | 14.8 | 6.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 29% of the time across fall.
Chance of precipitation in Fall
San Martín de los Andes gets around 275 mm of rain and snow over 30 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 9 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early March to 9 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.5 kWh/m².
Hazard calendar for San Martín de los Andes
In fall, San Martín de los Andes overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
San Martín de los Andes's rainy season runs May–August, when most of the year's rain falls.
Is fall a good time to visit San Martín de los Andes?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in San Martín de los Andes.
What to pack for San Martín de los Andes in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Martín de los Andes sees daytime highs around 12°C and nights near 2°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 30 days see rain.
UV index in San Martín de los Andes in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Martín de los Andes peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 12 | 8 | 5 | 3 | 2 | 3 | 3 | 5 | 8 | 10 | 13 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Moderate | Moderate | Moderate | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 3 | Moderate |
| Aug | 3 | Moderate |
| Sep | 5 | Moderate |
| Oct | 8 | Very high |
| Nov | 10 | Very high |
| Dec | 13 | Extreme |
Where is San Martín de los Andes?
San Martín de los Andes sits at 40.2°S, 71.4°W, 651 m above sea level, in Argentina. The nearest listed city is Panguipulli, 101 km away.
Topography around San Martín de los Andes
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Martín de los Andes.
Within 3 km, the terrain around San Martín de los Andes has large variations in elevation — a maximum elevation change of 703 m around an average of 871 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,781 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,662 m.
The land around San Martín de los Andes is covered by trees (69%) within 3 km, trees (60%) and grassland (26%) within 16 km, and trees (43%) and grassland (42%) within 80 km.
Argentina travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / I
- 220 V · 50 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $14,898
- 2025
- Happiness
- 6.4 / 10
- World Happiness, 2025
- Homicide rate
- 4.5
- per 100k, 2023
- Road deaths
- 14.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 575
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for San Martín de los Andes (-40.1579°, -71.3534°, elevation 651 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.