San Antonio Oeste in Winter
In winter (June, July and August), San Antonio Oeste sees average daytime highs around 13°C and overnight lows near 5°C, with 64 mm of rain over about 12 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across winter, daytime highs hold fairly steady around 13°C. The sky is clear or mostly clear about 43% of the time across winter, and the air most often feels dry.
Winter is San Antonio Oeste's weakest season of the year to visit on our travel score. For the whole year in context, see San Antonio Oeste's year-round climate.
- Avg daytime high
- 13°C
- coldest season of the year
- Avg overnight low
- 5°C
- Rainfall
- 64 mm
- 12 wet days
- Avg wind
- 19 km/h
- Travel score
- 4.3
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in San Antonio Oeste in Winter
Across winter, daytime highs hold fairly steady around 13°C.
A typical winter day in San Antonio Oeste reaches about 13°C and drops to 5°C overnight. The warmest of the three months is August, the coolest July.
San Antonio Oeste 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 | 28° / 18° | 19 | 3.3 | 14.6 | 8.0 |
| Feb | 27° / 17° | 23 | 3.4 | 13.6 | 8.1 |
| Mar | 24° / 15° | 30 | 3.7 | 12.3 | 8.3 |
| Apr | 20° / 12° | 30 | 3.6 | 10.9 | 7.5 |
| May | 16° / 8° | 27 | 4.7 | 9.8 | 5.7 |
| Jun | 13° / 6° | 25 | 4.6 | 9.1 | 4.1 |
| Jul | 12° / 5° | 21 | 4 | 9.4 | 3.9 |
| Aug | 14° / 6° | 18 | 3.2 | 10.4 | 5.0 |
| Sep | 17° / 8° | 22 | 3.7 | 11.7 | 6.2 |
| Oct | 20° / 11° | 28 | 4.4 | 13.1 | 7.3 |
| Nov | 23° / 14° | 23 | 3.8 | 14.3 | 8.1 |
| Dec | 26° / 16° | 15 | 3 | 14.9 | 8.2 |
Cloud cover in Winter
The sky is clear or mostly clear about 43% of the time across winter.
Chance of precipitation in Winter
San Antonio Oeste gets around 64 mm of rain over 12 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 19 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 18 min in early June to 11 hours 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 2.3 kWh/m².
Is winter a good time to visit San Antonio Oeste?
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 a reasonable time to visit San Antonio Oeste for sightseeing.
What to pack for San Antonio Oeste in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, San Antonio Oeste sees daytime highs around 13°C and nights near 5°C. Worth packing: a warm layer. About 12 days see rain.
Sea temperature near San Antonio Oeste in Winter
The nearest coast averages about 12°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 17 km away) is warmest in February at about 19°C and coldest in August near 11°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 19 | 19 | 18 | 16 | 15 | 13 | 12 | 11 | 11 | 13 | 15 | 17 |
| Comfort | Cool | Cool | Cool | Cool | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 19 | Cool |
| Feb | 19 | Cool |
| Mar | 18 | Cool |
| Apr | 16 | Cool |
| May | 15 | Bracing |
| Jun | 13 | Bracing |
| Jul | 12 | Bracing |
| Aug | 11 | Bracing |
| Sep | 11 | Bracing |
| Oct | 13 | Bracing |
| Nov | 15 | Bracing |
| Dec | 17 | Cool |
UV index in San Antonio Oeste in Winter
Clear-sky midday UV across winter averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in San Antonio Oeste peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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) | 11 | 11 | 7 | 5 | 3 | 2 | 2 | 3 | 4 | 7 | 9 | 12 |
| Level | Extreme | Extreme | Very high | Moderate | Moderate | Low | Low | Moderate | Moderate | High | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 11 | Extreme |
| Feb | 11 | Extreme |
| Mar | 7 | Very high |
| Apr | 5 | Moderate |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Low |
| Aug | 3 | Moderate |
| Sep | 4 | Moderate |
| Oct | 7 | High |
| Nov | 9 | Very high |
| Dec | 12 | Extreme |
Where is San Antonio Oeste?
San Antonio Oeste sits at 40.7°S, 64.9°W, 12 m above sea level, in Argentina. The nearest listed city is Viedma, 164 km away.
Topography around San Antonio Oeste
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Antonio Oeste.
Within 3 km, the terrain around San Antonio Oeste has only modest variations in elevation — a maximum elevation change of 26 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 389 m.
The land around San Antonio Oeste is covered by shrubs (40%) and water (23%) within 3 km, shrubs (53%) and water (34%) within 16 km, and shrubs (73%) and water (21%) 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 Antonio Oeste (-40.7319°, -64.9477°, elevation 12 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.