Bahía Blanca weather in March

In March, Bahía Blanca sees average daytime highs of 24°C and overnight lows near 16°C, with 67 mm of rain across 6.7 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 57% of the time in March, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Bahía Blanca's 4th-clearest and 9th-windiest month. For the whole year in context, see Bahía Blanca's year-round climate.

Daytime high
24°
4th warmest
Overnight low
16°
9th coldest
Rainfall
67 mm
6.7 wet days
Daylight
12 h 18 min
7:09 AM – 7:28 PM
Cloud cover
39%
4th clearest
Wind
18 km/h
9th windiest
Solar energy
5.01 kWh/m²
Travel score
7.7
out of 10

Bahía Blanca is city in Argentina.

Density
2,301/km²
people per km²
Founded
1828

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 Bahía Blanca reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°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°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12617
22617
32617
42617
52617
62517
72517
82517
92517
102517
112517
122516
132516
142416
152416
162416
172416
182416
192416
202415
212415
222315
232315
242315
252315
262315
272315
282315
292314
302214
312214

Bahía Blanca 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°547.114.47.3
Feb27° / 18°656.713.57.4
Mar24° / 16°676.712.37.7
Apr20° / 12°556117.1
May16° / 385.49.95.6
Jun13° / 284.49.34.1
Jul12° / 3459.63.7
Aug14° / 354.810.54.7
Sep16° / 456.211.75.7
Oct19° / 11°647.8136.7
Nov23° / 14°63714.17.6
Dec26° / 17°576.214.77.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 29%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57426
67327
77327
87327
97327
107228
117228
127228
137228
147228
157228
167228
177228
187129
197129
207228
217129
227129
237030
247030
257030
266931
276733
286733
296634
306535
316436

Chance of precipitation in March

Any precipitation

Bahía Blanca gets around 67 mm of rain over 6.7 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 22% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
323
423
523
623
723
823
924
1024
1124
1224
1324
1424
1523
1623
1722
1822
1921
2021
2121
2220
2320
2420
2520
2620
2720
2820
2920
3020
3121

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
141272291
241272291
341272291
441272291
541272291
641272381
741282380
841282380
942282280
1043282270
1144282270
1245272170
1346272070
1447271960
1549271950
1650271850
1751271840
1852271740
1953271730
2055261630
2156261620
2257261520
2357261520
2457261520
2559261410
2660251410
2761251310
2861251310
2963241210
3063241210
3165231110

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 18 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
1518light breeze
1618light breeze
1718light 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 12 h 54 min at the start of March to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over March. Sunrise moves from 6:54 AM to 7:24 AM, and sunset from 7:51 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:547:51
212.96:557:49
312.96:567:48
412.86:577:46
512.86:587:45
612.76:597:43
712.77:007:42
812.77:017:40
912.67:027:39
1012.67:037:37
1112.57:047:36
1212.57:057:34
1312.47:067:33
1412.47:077:31
1512.47:087:30
1612.37:097:28
1712.37:107:27
1812.27:117:25
1912.27:127:23
2012.17:137:22
2112.17:147:20
2212.17:157:19
2312.07:167:17
2412.07:177:15
2511.97:187:14
2611.97:197:12
2711.87:207:10
2811.87:217:09
2911.87:227:07
3011.77:237:06
3111.77:247:04

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.01 kWh/m².

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.89 kWh/m² in December across the year — March's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
175.0Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.4Bright
294.3Bright
304.3Bright
314.2Bright
Planning a trip in March

Is March a good time to visit Bahía Blanca?

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

7.7
Sightseeing
1st-best month of the year
6.5
Beach & pool
4th-best month of the year

March is one of the better times to visit Bahía Blanca for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bahía Blanca in March

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

In March, Bahía Blanca sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Bahía Blanca in March

The nearest coast averages about 21°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 21 km away) is warmest in January at about 22°C and coldest in August near 9°C.

It's comfortable for a long swim from Dec 8 to Mar 20 — about 3.4 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr17Cool
May14Bracing
Jun11Bracing
Jul9Bracing
Aug9Bracing
Sep11Bracing
Oct15Bracing
Nov18Cool
Dec21Refreshing

UV index in Bahía Blanca in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bahía Blanca peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateModerateVery highExtremeDec 20UV 12Jun 21UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr6High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Bahía Blanca?

Bahía Blanca sits at 38.7°S, 62.3°W, 20 m above sea level, in Argentina. The nearest listed city is Punta Alta, 25 km away.

Carmen de PatagonesViedma

Topography around Bahía Blanca

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bahía Blanca.

Within 3 km, the terrain around Bahía Blanca has only modest variations in elevation — a maximum elevation change of 67 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 110 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,244 m.

The land around Bahía Blanca is covered by artificial surfaces (80%) within 3 km, grassland (33%) and cropland (23%) within 16 km, and cropland (39%) and grassland (37%) within 80 km.

3 km
67 m
16 km
110 m
80 km
1,244 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Punta Alta 25 km · Coronel Pringles 114 km · Pigüé 125 km · Coronel Suárez 143 km · Río Colorado 161 km · Tres Arroyos 177 km · Carmen de Patagones 240 km · Viedma 242 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 Bahía Blanca (-38.7176°, -62.2655°, elevation 20 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).