Mercedes weather in March

In March, Mercedes sees average daytime highs of 26°C and overnight lows near 15°C, with 88 mm of rain across 7.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 25°C by the end. The sky is clear or mostly clear about 48% of the time in March, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of March to 11 h 42 min by month's end. Set against the rest of the year, March is Mercedes's 4th-clearest and 11th-windiest month. For the whole year in context, see Mercedes's year-round climate.

Daytime high
26°
4th warmest
Overnight low
15°
9th coldest
Rainfall
88 mm
7.5 wet days
Daylight
12 h 18 min
6:59 AM – 7:15 PM
Cloud cover
45%
4th clearest
Wind
12 km/h
11th windiest
Solar energy
5.01 kWh/m²
Travel score
7.3
out of 10

Mercedes is city in Buenos Aires Province, Argentina.

Founded
1745

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 27°C in the first days to 25°C by the end.

A typical March day in Mercedes reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, March runs about 2°C cooler than February and about 4°C warmer than April.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12817
22717
32717
42717
52717
62716
72716
82716
92716
102716
112716
122716
132716
142616
152616
162615
172615
182615
192615
202615
212615
222515
232515
242514
252514
262514
272514
282514
292514
302514
312414

Mercedes weather by month

How March compares with the rest of the year at a glance. March is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°93814.15.8
Feb28° / 17°96813.36.4
Mar26° / 15°887.512.37.3
Apr22° / 12°1008.411.27.2
May18° / 646.210.26.5
Jun15° / 515.79.75.2
Jul15° / 485.59.94.8
Aug17° / 575.210.76.1
Sep19° / 676.511.86.7
Oct22° / 11°1119.512.96.8
Nov25° / 14°958.413.87.2
Dec28° / 16°919.214.36.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 14% of March, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36337
46337
56337
66238
76238
86238
96238
106139
116139
126139
136139
146139
156139
166139
176238
186238
196238
206238
216238
226337
236337
246337
256337
266436
276436
286436
296337
306337
316337

Chance of precipitation in March

Any precipitation

Mercedes gets around 88 mm of rain over 7.5 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 25% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
825
925
1025
1125
1225
1325
1425
1525
1624
1724
1824
1924
2024
2124
2224
2324
2424
2523
2624
2724
2824
2924
3025
3125

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the humid band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1182231217
2182231217
3182232217
4192232217
5192232216
6202132216
7202132206
8202132206
9212132206
10212232195
11222232195
12232232185
13242232184
14252232174
15262232164
16282231163
17292331153
18302330142
19312329142
20322429141
21332428131
22342428131
23352427131
24362526120
25372525120
26382525120
27392524120
28402623120
29402622120
30412621120
31422620120

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over March. Sunrise moves from 6:47 AM to 7:11 AM, and sunset from 7:35 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:477:35
212.86:477:34
312.76:487:33
412.76:497:32
512.76:507:30
612.66:517:29
712.66:527:28
812.66:537:26
912.56:537:25
1012.56:547:24
1112.56:557:22
1212.46:567:21
1312.46:577:20
1412.36:587:18
1512.36:587:17
1612.36:597:15
1712.27:007:14
1812.27:017:13
1912.27:027:11
2012.17:037:10
2112.17:037:08
2212.07:047:07
2312.07:057:06
2412.07:067:04
2511.97:077:03
2611.97:077:01
2711.97:087:00
2811.87:096:58
2911.87:106:57
3011.77:116:55
3111.77:116:54

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 2.25 kWh/m² to a high of 7.43 kWh/m² in December across the year — March's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.0Bright
165.0Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
314.3Bright
Planning a trip in March

Is March a good time to visit Mercedes?

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

7.3
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 Mercedes for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mercedes in March

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

In March, Mercedes sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Mercedes in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mercedes peaks around January 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme

Air quality in Mercedes in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Mercedes is worst in August — around 20 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodAug 1619 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb11Good
Mar12Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul16Moderate
Aug20Moderate
Sep15Moderate
Oct13Moderate
Nov10Good
Dec11Good
Location & terrain

Where is Mercedes?

Mercedes sits at 34.7°S, 59.4°W, 40 m above sea level, in Argentina. The nearest listed city is Luján, 30 km away.

Topography around Mercedes

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

Within 3 km, the terrain around Mercedes has only modest variations in elevation — a maximum elevation change of 24 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 49 m; within 80 km, only modest variations in elevation — a maximum elevation change of 89 m.

The land around Mercedes is covered by artificial surfaces (35%), grassland (33%) and trees (21%) within 3 km, cropland (55%) and grassland (36%) within 16 km, and cropland (62%) and grassland (26%) within 80 km.

3 km
24 m
16 km
49 m
80 km
89 m
treesgrasslandcroplandartificial surfaceswaterwetland
March weather nearby: Luján 30 km · Navarro 42 km · San Antonio de Areco 45 km · Carmen de Areco 47 km · Pilar 52 km · Moreno 59 km · Chivilcoy 60 km · José C. Paz 63 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 Mercedes (-34.6507°, -59.4314°, elevation 40 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).