San Antonio Oeste weather in August

In August, San Antonio Oeste sees average daytime highs of 14°C and overnight lows near 6°C, with 18 mm of rain across 3.2 wet days and about 10.4 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 13°C in the first days to 15°C by the end. The sky is clear or mostly clear about 41% of the time in August, and the air most often feels dry.

Daylight stretches from about 9 h 48 min at the start of August to 11 hours by month's end. Set against the rest of the year, August is San Antonio Oeste's 10th-clearest and 6th-windiest month. For the whole year in context, see San Antonio Oeste's year-round climate.

Daytime high
14°
10th warmest
Overnight low
3rd coldest
Rainfall
18 mm
3.2 wet days
Daylight
10 h 24 min
8:13 AM – 6:35 PM
Cloud cover
51%
10th clearest
Wind
19 km/h
6th windiest
Solar energy
3.01 kWh/m²
Travel score
5.0
out of 10

San Antonio Oeste is city in Río Negro, Argentina.

Founded
1905

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 13°C in the first days to 15°C by the end.

A typical August day in San Antonio Oeste reaches about 14°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 19°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C cooler than September.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1135
2135
3135
4135
5145
6145
7145
8145
9145
10145
11146
12146
13146
14146
15146
16146
17156
18156
19156
20156
21156
22156
23156
24156
25156
26157
27157
28157
29157
30157
31157

San Antonio Oeste weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°193.314.68.0
Feb27° / 17°233.413.68.1
Mar24° / 15°303.712.38.3
Apr20° / 12°303.610.97.5
May16° / 274.79.85.7
Jun13° / 254.69.14.1
Jul12° / 2149.43.9
Aug14° / 183.210.45.0
Sep17° / 223.711.76.2
Oct20° / 11°284.413.17.3
Nov23° / 14°233.814.38.1
Dec26° / 16°15314.98.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 15% of August, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36040
46040
56040
66040
75941
85842
95842
105743
115743
125743
135743
145644
155644
165644
175545
185545
195545
205347
215347
225347
235248
245248
255248
265248
275248
285248
295248
305248
315347

Chance of precipitation in August

Any precipitation

San Antonio Oeste gets around 18 mm of rain over 3.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 11% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
810
910
1010
1110
1210
1310
1410
1510
1610
1710
1810
1910
2010
2111
2211
2311
2411
2511
2611
2712
2812
2912
3012
3112

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in August

Winds average 19 km/h in August.

Across August, daily wind ranges from about 18 km/h on the calmest days to 19 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 9 h 48 min at the start of August to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over August. Sunrise moves from 8:32 AM to 7:50 AM, and sunset from 6:20 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.88:326:20
29.88:316:21
39.98:306:22
49.98:286:23
59.98:276:24
610.08:266:25
710.08:256:26
810.18:246:27
910.18:226:28
1010.18:216:29
1110.28:206:30
1210.28:186:31
1310.28:176:32
1410.38:166:33
1510.38:146:34
1610.48:136:35
1710.48:126:36
1810.48:106:37
1910.58:096:38
2010.58:076:39
2110.68:066:40
2210.68:046:41
2310.78:036:42
2410.78:016:43
2510.77:596:44
2610.87:586:45
2710.87:566:46
2810.97:556:47
2910.97:536:48
3011.07:516:49
3111.07:506:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 3.01 kWh/m².

For context, solar energy here swings from a low near 1.81 kWh/m² to a high of 8.15 kWh/m² in December across the year — August's 3.01 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.7Moderate
72.7Moderate
82.7Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.9Moderate
132.9Moderate
142.9Moderate
153.0Moderate
163.0Moderate
173.0Moderate
183.1Moderate
193.1Moderate
203.1Moderate
213.2Moderate
223.2Moderate
233.3Moderate
243.3Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.5Moderate
293.5Moderate
303.6Moderate
313.6Moderate
Planning a trip in August

Is August a good time to visit San Antonio Oeste?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

August is a reasonable time to visit San Antonio Oeste for sightseeing.

What to pack for San Antonio Oeste in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, San Antonio Oeste sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer. About 3 days see rain.

a warm layer

Sea temperature near San Antonio Oeste in August

The nearest coast averages about 11°C in August — 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.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar18Cool
Apr16Cool
May15Bracing
Jun13Bracing
Jul12Bracing
Aug11Bracing
Sep11Bracing
Oct13Bracing
Nov15Bracing
Dec17Cool

UV index in San Antonio Oeste in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 3. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateVery highExtremeDec 20UV 12Jun 22UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar7Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul2Low
Aug3Moderate
Sep4Moderate
Oct7High
Nov9Very high
Dec12Extreme
Location & terrain

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.

Río ColoradoPuerto MadrynVilla ReginaTrelewRawsonGeneral Roca

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.

3 km
26 m
16 km
162 m
80 km
389 m
shrubsgrasslandartificial surfacesbare terrainwater
August weather nearby: Viedma 164 km · Carmen de Patagones 166 km · Río Colorado 207 km · Puerto Madryn 227 km · Villa Regina 257 km · Trelew 281 km · Rawson 286 km · General Roca 294 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
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).