Libertador General San Martín in Fall
In fall (March, April and May), Libertador General San Martín sees average daytime highs around 23°C and overnight lows near 15°C, with 572 mm of rain over about 56 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 27°C in early March to 19°C by late May. The sky is clear or mostly clear about 18% of the time across fall, and the air most often feels humid.
Fall is Libertador General San Martín's 3rd-best season to visit on our travel score. For the whole year in context, see Libertador General San Martín's year-round climate.
- Avg daytime high
- 23°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 572 mm
- 56 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Libertador General San Martín in Fall
Over the season highs ease from about 27°C in early March to 19°C by late May.
A typical fall day in Libertador General San Martín reaches about 23°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
Libertador General San Martín 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 20° | 232 | 17.5 | 13.3 | 4.4 |
| Feb | 28° / 19° | 239 | 17.7 | 12.8 | 4.7 |
| Mar | 26° / 18° | 275 | 20.7 | 12.2 | 4.8 |
| Apr | 24° / 15° | 196 | 18.8 | 11.5 | 5.3 |
| May | 21° / 11° | 101 | 16 | 10.9 | 5.4 |
| Jun | 19° / 8° | 50 | 10.3 | 10.6 | 6.0 |
| Jul | 19° / 6° | 31 | 6.6 | 10.7 | 6.9 |
| Aug | 23° / 8° | 25 | 4.6 | 11.2 | 8.1 |
| Sep | 26° / 11° | 36 | 6.3 | 11.9 | 7.6 |
| Oct | 28° / 16° | 103 | 11.5 | 12.6 | 6.0 |
| Nov | 29° / 17° | 165 | 14 | 13.2 | 5.1 |
| Dec | 29° / 19° | 241 | 16.7 | 13.4 | 4.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 18% of the time across fall.
Chance of precipitation in Fall
Libertador General San Martín gets around 572 mm of rain over 56 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 30 min in early March to 10 h 42 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 3.8 kWh/m².
Hazard calendar for Libertador General San Martín
In fall, Libertador General San Martín overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Libertador General San Martín's rainy season runs November–April, when most of the year's rain falls.
Is fall a good time to visit Libertador General San Martín?
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 reasonable time to visit Libertador General San Martín for sightseeing.
What to pack for Libertador General San Martín in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Libertador General San Martín sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 56 days see rain.
UV index in Libertador General San Martín in Fall
Clear-sky midday UV across fall averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Libertador General San Martín peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 14 | 13 | 8 | 7 | 5 | 5 | 8 | 9 | 9 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Very high | High | High | High | Very high | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 13 | Extreme |
| Apr | 8 | Very high |
| May | 7 | High |
| Jun | 5 | High |
| Jul | 5 | High |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 9 | Very high |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Libertador General San Martín in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Libertador General San Martín is worst in September — around 26 µg/m³ PM2.5 (moderate), about 5.6× the cleanest month (May, 5 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 9 | 7 | 6 | 5 | 6 | 8 | 13 | 26 | 26 | 19 | 13 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 9 | Good |
| Mar | 7 | Good |
| Apr | 6 | Good |
| May | 5 | Good |
| Jun | 6 | Good |
| Jul | 8 | Good |
| Aug | 13 | Moderate |
| Sep | 26 | Moderate |
| Oct | 26 | Moderate |
| Nov | 19 | Moderate |
| Dec | 13 | Moderate |
Where is Libertador General San Martín?
Libertador General San Martín sits at 23.8°S, 64.8°W, 464 m above sea level, in Argentina. The nearest listed city is San Pedro de Jujuy, 47 km away.
Topography around Libertador General San Martín
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Libertador General San Martín.
Within 3 km, the terrain around Libertador General San Martín has significant variations in elevation — a maximum elevation change of 324 m around an average of 488 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,160 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,815 m.
The land around Libertador General San Martín is covered by cropland (45%), trees (27%) and artificial surfaces (21%) within 3 km, trees (64%) and cropland (29%) within 16 km, and trees (64%) 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 Libertador General San Martín (-23.8131°, -64.7935°, elevation 464 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.