San Antonio Oeste weather in October

In October, San Antonio Oeste sees average daytime highs of 20°C and overnight lows near 11°C, with 28 mm of rain across 4.4 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 47% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 42 min by month's end. Set against the rest of the year, October is San Antonio Oeste's 7th-clearest and 8th-windiest month. For the whole year in context, see San Antonio Oeste's year-round climate.

Daytime high
20°
7th warmest
Overnight low
11°
6th coldest
Rainfall
28 mm
4.4 wet days
Daylight
13 h 06 min
6:32 AM – 7:38 PM
Cloud cover
46%
7th clearest
Wind
18 km/h
8th windiest
Solar energy
6.05 kWh/m²
Travel score
7.3
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical October day in San Antonio Oeste reaches about 20°C in the afternoon and slips back to 11°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1189
2189
3189
41810
51810
61910
71910
81910
91910
101910
111910
121910
132010
142011
152011
162011
172011
182011
192011
202011
212011
222111
232111
242112
252112
262112
272112
282112
292112
302112
312112

San Antonio Oeste weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 3rd-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
75941
86040
96040
106139
116139
126238
136238
146337
156337
166535
176535
186634
196733
206733
216832
226832
236931
246931
256931
266931
276931
286931
296832
306832
316832

Chance of precipitation in October

Any precipitation

San Antonio Oeste gets around 28 mm of rain over 4.4 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 14% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
317
417
517
617
717
817
917
1017
1116
1216
1315
1415
1514
1613
1713
1812
1912
2011
2111
2211
2311
2411
2511
2611
2711
2812
2912
3013
3113

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
21991
22991
23991
24991
25991
26991
27982
28982
29982
30982
31982

Wind in October

Winds average 18 km/h in October.

Across October, 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
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over October. Sunrise moves from 6:56 AM to 6:11 AM, and sunset from 7:22 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:567:22
212.56:547:23
312.56:537:24
412.66:517:25
512.66:497:26
612.76:487:27
712.76:467:28
812.76:447:29
912.86:437:30
1012.86:417:31
1112.96:397:32
1212.96:387:33
1313.06:367:35
1413.06:357:36
1513.16:337:37
1613.16:327:38
1713.16:307:39
1813.26:297:40
1913.26:277:41
2013.36:267:43
2113.36:247:44
2213.46:237:45
2313.46:227:46
2413.46:207:47
2513.56:197:48
2613.56:187:50
2713.66:167:51
2813.66:157:52
2913.76:147:53
3013.76:127:54
3113.76:117:55

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.05 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 — October's 6.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.6Bright
105.7Bright
115.7Bright
125.8Bright
135.9Bright
145.9Bright
156.0Intense
166.1Intense
176.1Intense
186.2Intense
196.3Intense
206.3Intense
216.4Intense
226.4Intense
236.5Intense
246.5Intense
256.6Intense
266.7Intense
276.7Intense
286.7Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in October

Is October a good time to visit San Antonio Oeste?

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

7.3
Sightseeing
7th-best month of the year
3.7
Beach & pool
7th-best month of the year

October is one of the better times to visit San Antonio Oeste for general sightseeing.

What to pack for San Antonio Oeste in October

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

In October, San Antonio Oeste sees daytime highs around 20°C and nights near 11°C. Pack sun protection. About 4 days see rain.

sun protection

Sea temperature near San Antonio Oeste in October

The nearest coast averages about 13°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — 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 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
October 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).