San Antonio Oeste weather in January

In January, San Antonio Oeste sees average daytime highs of 28°C and overnight lows near 18°C, with 19 mm of rain across 3.3 wet days and about 14.6 hours of daylight. It is the 1st-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 68% of the time in January, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of January to 14 h 12 min by month's end. Set against the rest of the year, January is San Antonio Oeste's 1st-clearest and 2nd-windiest month. For the whole year in context, see San Antonio Oeste's year-round climate.

Daytime high
28°
1st warmest
Overnight low
18°
12th coldest
Rainfall
19 mm
3.3 wet days
Daylight
14 h 36 min
6:11 AM – 8:48 PM
Cloud cover
29%
1st clearest
Wind
19 km/h
2nd windiest
Solar energy
8.01 kWh/m²
Travel score
8.0
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in San Antonio Oeste reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°C. Set against its neighbours, January runs about 2°C warmer than December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272718
282718
292718
302718
312718

San Antonio Oeste weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 10th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48119
58119
68119
78218
88218
98317
108317
118416
128416
138515
148515
158416
168416
178416
188515
198515
208515
218515
228515
238416
248416
258416
268416
278416
288317
298317
308416
318416

Chance of precipitation in January

Any precipitation

San Antonio Oeste gets around 19 mm of rain over 3.3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 10% and peaks near 12% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
510
610
710
89
99
109
119
129
139
149
159
169
1710
1810
1910
2011
2111
2211
2311
2411
2511
2612
2712
2812
2912
3012
3112

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1831250
2841150
3821161
4821161
5831061
6831061
7831061
884961
984961
1084961
1184961
1284961
1383971
14821071
15821071
16801181
17791281
18781381
19771481
20761581
21751681
22751681
23731791
24741781
25741781
26741781
27741781
28741781
29741781
30741781
31761671

Wind in January

Winds average 19 km/h in January.

Across January, daily wind ranges from about 19 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
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 54 min at the start of January to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over January. Sunrise moves from 5:57 AM to 6:28 AM, and sunset from 8:49 PM to 8:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.95:578:49
214.95:588:49
314.95:588:49
414.85:598:49
514.86:008:49
614.86:018:49
714.86:028:49
814.86:038:49
914.86:048:49
1014.76:058:49
1114.76:068:49
1214.76:068:49
1314.76:078:48
1414.76:098:48
1514.66:108:48
1614.66:118:48
1714.66:128:47
1814.66:138:47
1914.56:148:46
2014.56:158:46
2114.56:168:45
2214.56:178:45
2314.46:188:44
2414.46:198:44
2514.46:218:43
2614.36:228:42
2714.36:238:42
2814.36:248:41
2914.26:258:40
3014.26:278:39
3114.26:288:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 8.01 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 — January's 8.01 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.2Intense
28.2Intense
38.2Intense
48.2Intense
58.2Intense
68.2Intense
78.2Intense
88.2Intense
98.2Intense
108.2Intense
118.2Intense
128.2Intense
138.1Intense
148.1Intense
158.1Intense
168.1Intense
178.0Intense
188.0Intense
198.0Intense
207.9Intense
217.9Intense
227.9Intense
237.8Intense
247.8Intense
257.8Intense
267.7Intense
277.7Intense
287.6Intense
297.6Intense
307.6Intense
317.5Intense
Planning a trip in January

Is January a good time to visit San Antonio Oeste?

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

8.0
Sightseeing
5th-best month of the year
8.3
Beach & pool
1st-best month of the year

January is one of the better times to visit San Antonio Oeste for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Antonio Oeste in January

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

In January, San Antonio Oeste sees daytime highs around 28°C and nights near 18°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near San Antonio Oeste in January

The nearest coast averages about 19°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 11 (very high — sun protection essential). 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
January 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).