Mar del Plata weather in March

In March, Mar del Plata sees average daytime highs of 21°C and overnight lows near 16°C, with 72 mm of rain across 8.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 44% 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 Mar del Plata's 4th-clearest and 11th-windiest month. For the whole year in context, see Mar del Plata's year-round climate.

Daytime high
21°
4th warmest
Overnight low
16°
10th coldest
Rainfall
72 mm
8.1 wet days
Daylight
12 h 18 min
6:51 AM – 7:09 PM
Cloud cover
49%
4th clearest
Wind
19 km/h
11th windiest
Solar energy
4.86 kWh/m²
Travel score
7.0
out of 10

Mar del Plata is city in Buenos Aires Province, Argentina.

Density
7,465/km²
people per km²
Founded
1874

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 22°C in the first days to 20°C by the end.

A typical March day in Mar del Plata reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, March runs about 2°C cooler than February and about 3°C warmer than April.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32217
42217
52217
62217
72217
82217
92217
102217
112216
122216
132216
142216
152216
162216
172116
182116
192116
202116
212116
222115
232115
242115
252115
262115
272115
282115
292015
302015
312015

Mar del Plata weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 17°778.314.37.4
Feb23° / 17°767.513.57.3
Mar21° / 16°728.112.37.0
Apr19° / 13°778.6116.3
May15° / 11°496.8105.0
Jun13° / 606.99.43.7
Jul11° / 5479.63.1
Aug12° / 60710.53.6
Sep14° / 607.511.74.1
Oct16° / 10°809135.1
Nov19° / 13°779.314.16.3
Dec22° / 15°69814.67.2

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% 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 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36238
46139
56040
66040
76040
86040
96040
105941
115941
125941
135941
146040
156040
166040
176040
186040
196040
206040
216040
226040
236040
246040
256040
266040
276040
286040
295941
305941
315941

Chance of precipitation in March

Any precipitation

Mar del Plata gets around 72 mm of rain over 8.1 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
627
727
827
928
1028
1128
1229
1329
1429
1528
1628
1728
1828
1928
2027
2127
2227
2326
2426
2526
2625
2725
2825
2925
3025
3126

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1242433182
2242433182
3242433182
4242433182
5252432182
6252432182
7262432181
8262431171
9262431171
10272431171
11282530171
12292529161
13302628151
14312727141
15322726141
16332825130
17342825120
18352924120
19362924110
20372923100
21372923100
2238292390
2339292390
2439302380
2540302380
2641302270
2742302270
2842302260
2943302160
3044302160
3145302050

Wind in March

Winds average 19 km/h in March.

Across March, daily wind ranges from about 19 km/h on the calmest days to 20 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
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720light breeze
1820light breeze
1920light breeze
2020light breeze
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light 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 6:36 AM to 7:05 AM, and sunset from 7:31 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:367:31
212.96:377:30
312.86:387:28
412.86:397:27
512.86:407:25
612.76:417:24
712.76:427:23
812.66:437:21
912.66:447:20
1012.66:457:18
1112.56:467:17
1212.56:477:15
1312.46:487:14
1412.46:497:12
1512.36:507:11
1612.36:517:09
1712.36:527:07
1812.26:537:06
1912.26:547:04
2012.16:557:03
2112.16:567:01
2212.16:567:00
2312.06:576:58
2412.06:586:56
2511.96:596:55
2611.97:006:53
2711.87:016:52
2811.87:026:50
2911.87:036:49
3011.77:046:47
3111.77:056:45

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.86 kWh/m².

For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 7.61 kWh/m² in December across the year — March's 4.86 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.4Bright
274.4Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in March

Is March a good time to visit Mar del Plata?

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

7.0
Sightseeing
4th-best month of the year
4.5
Beach & pool
4th-best month of the year

March is one of the better times to visit Mar del Plata for general sightseeing.

What to pack for Mar del Plata in March

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

In March, Mar del Plata sees daytime highs around 21°C and nights near 16°C. Worth packing: rain gear and sun protection. About 8 days see rain.

rain gearsun protection

Sea temperature near Mar del Plata in March

The nearest coast averages about 20°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 15 km away) is warmest in February at about 20°C and coldest in August near 10°C.

It's comfortable for a long swim from Jan 29 to Mar 10 — about 1.3 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan20Cool
Feb20Refreshing
Mar20Cool
Apr18Cool
May15Cool
Jun13Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct13Bracing
Nov15Bracing
Dec17Cool

UV index in Mar del Plata 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 Mar del Plata peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeDec 22UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Mar del Plata?

Mar del Plata sits at 38.0°S, 57.6°W, 14 m above sea level, in Argentina. The nearest listed city is Santa Clara del Mar, 19 km away.

Topography around Mar del Plata

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mar del Plata.

Within 3 km, the terrain around Mar del Plata has only modest variations in elevation — a maximum elevation change of 51 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 125 m; within 80 km, significant variations in elevation — a maximum elevation change of 386 m.

The land around Mar del Plata is covered by artificial surfaces (70%) within 3 km, water (45%) and cropland (23%) within 16 km, and water (35%), cropland (31%) and grassland (30%) within 80 km.

3 km
51 m
16 km
125 m
80 km
386 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Santa Clara del Mar 19 km · Miramar 39 km · Balcarce 64 km · Villa Gesell 97 km · Pinamar 116 km · General Juan Madariaga 117 km · Necochea 120 km · Ayacucho 125 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 Mar del Plata (-38.0004°, -57.5562°, elevation 14 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).