San Antonio Oeste weather in March

In March, San Antonio Oeste sees average daytime highs of 24°C and overnight lows near 15°C, with 30 mm of rain across 3.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 60% of the time in March, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of March to 11 h 36 min by month's end. Set against the rest of the year, March is San Antonio Oeste's 4th-clearest and 9th-windiest month. For the whole year in context, see San Antonio Oeste's year-round climate.

Daytime high
24°
4th warmest
Overnight low
15°
9th coldest
Rainfall
30 mm
3.7 wet days
Daylight
12 h 18 min
7:19 AM – 7:40 PM
Cloud cover
35%
4th clearest
Wind
18 km/h
9th windiest
Solar energy
5.13 kWh/m²
Travel score
8.3
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 22°C by the end.

A typical March day in San Antonio Oeste reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 29°C. Set against its neighbours, March runs about 3°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62517
72517
82516
92516
102516
112516
122516
132516
142416
152416
162415
172415
182415
192415
202415
212315
222315
232315
242314
252314
262314
272314
282214
292214
302214
312214

San Antonio Oeste weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 1st-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57723
67723
77723
87624
97624
107525
117525
127525
137525
147525
157525
167525
177525
187426
197426
207426
217426
227426
237426
247426
257426
267327
277228
287228
297228
307129
317129

Chance of precipitation in March

Any precipitation

San Antonio Oeste gets around 30 mm of rain over 3.7 wet days in March, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
611
711
812
912
1012
1112
1213
1313
1413
1513
1613
1713
1812
1912
2012
2112
2212
2312
2412
2513
2613
2713
2813
2913
3014
3114

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March 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 (%)
1731863
2721963
3731962
4741952
5741952
6741952
7761851
8751861
9751861
10751861
11761761
12771751
13791650
14791650
15801550
16801550
17801550
18811540
19811540
20811540
21811540
22811540
23821530
24821530
25821530
26821530
27821530
28821530
29831430
30841420
31851320

Wind in March

Winds average 18 km/h in March.

Across March, 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
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 13 hours at the start of March to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over March. Sunrise moves from 7:03 AM to 7:36 AM, and sunset from 8:04 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.07:038:04
213.07:048:02
312.97:058:00
412.97:067:59
512.87:077:57
612.87:087:56
712.77:097:54
812.77:117:53
912.77:127:51
1012.67:137:49
1112.67:147:48
1212.57:157:46
1312.57:167:44
1412.47:177:43
1512.47:187:41
1612.37:197:40
1712.37:207:38
1812.27:227:36
1912.27:237:34
2012.27:247:33
2112.17:257:31
2212.17:267:29
2312.07:277:28
2412.07:287:26
2511.97:297:24
2611.97:307:23
2711.87:317:21
2811.87:327:19
2911.77:337:17
3011.77:347:16
3111.67:367:14

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.13 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 — March's 5.13 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.4Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.1Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.4Bright
304.3Bright
314.3Bright
Planning a trip in March

Is March a good time to visit San Antonio Oeste?

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

8.3
Sightseeing
1st-best month of the year
6.9
Beach & pool
4th-best month of the year

March 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 March

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

In March, San Antonio Oeste sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

Sea temperature near San Antonio Oeste in March

The nearest coast averages about 18°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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
March 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).