Libertador General San Martín in Winter
In winter (June, July and August), Libertador General San Martín sees average daytime highs around 20°C and overnight lows near 7°C, with 106 mm of rain over about 22 wet days across the season. It is the coldest season of the year and the driest season of the year.
Over the season highs climb from about 19°C in early June to 24°C by late August. The sky is clear or mostly clear about 52% of the time across winter, and the air most often feels dry.
Winter is Libertador General San Martín's best season of the year to visit on our travel score. For the whole year in context, see Libertador General San Martín's year-round climate.
- Avg daytime high
- 20°C
- coldest season of the year
- Avg overnight low
- 7°C
- Rainfall
- 106 mm
- 22 wet days
- Avg wind
- 5 km/h
- Travel score
- 7.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Libertador General San Martín in Winter
Over the season highs climb from about 19°C in early June to 24°C by late August.
A typical winter day in Libertador General San Martín reaches about 20°C and drops to 7°C overnight. The warmest of the three months is August, the coolest July.
Libertador General San Martín weather by month
How the three winter months (June, July and August) 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 Winter
The sky is clear or mostly clear about 52% of the time across winter.
Chance of precipitation in Winter
Libertador General San Martín gets around 106 mm of rain over 22 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 h 36 min in early June to 11 h 30 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.0 kWh/m².
Hazard calendar for Libertador General San Martín
None of Libertador General San Martín's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Libertador General San Martín's rainy season runs November–April, when most of the year's rain falls.
Is winter a good time to visit Libertador General San Martín?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is one of the better times to visit Libertador General San Martín for general sightseeing.
What to pack for Libertador General San Martín in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Libertador General San Martín sees daytime highs around 20°C and nights near 7°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 22 days see rain.
UV index in Libertador General San Martín in Winter
Clear-sky midday UV across winter averages around 6 — enough to warrant sun protection. 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 Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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.