Mar del Plata weather in July

In July, Mar del Plata sees average daytime highs of 11°C and overnight lows near 7°C, with 54 mm of rain across 7 wet days and about 9.6 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 11°C through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels dry.

Daylight stretches from about 9 h 24 min at the start of July to 10 hours by month's end. Set against the rest of the year, July is Mar del Plata's 12th-clearest and 3rd-windiest month. For the whole year in context, see Mar del Plata's year-round climate.

Daytime high
11°
12th warmest
Overnight low
1st coldest
Rainfall
54 mm
7 wet days
Daylight
9 h 36 min
8:08 AM – 5:44 PM
Cloud cover
62%
12th clearest
Wind
20 km/h
3rd windiest
Solar energy
2.14 kWh/m²
Travel score
3.1
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 July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 11°C through the month.

A typical July day in Mar del Plata reaches about 11°C in the afternoon and slips back to 7°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 14°C. Set against its neighbours, July runs about 1°C cooler than June and about 1°C cooler than August.

10°15°151015202531
Avg high (°C)Avg low (°C)
1127
2127
3127
4117
5117
6117
7117
8117
9117
10117
11117
12117
13117
14117
15117
16117
17117
18117
19117
20117
21117
22117
23117
24117
25127
26127
27127
28127
29127
30127
31127

Mar del Plata weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 11th-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44456
54456
64456
74357
84357
94357
104357
114357
124357
134258
144258
154258
164357
174357
184456
194456
204456
214456
224456
234555
244555
254555
264555
274456
284555
294555
304555
314555

Chance of precipitation in July

Any precipitation

Mar del Plata gets around 54 mm of rain over 7 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
222
322
422
522
623
723
823
923
1023
1124
1224
1324
1424
1524
1624
1724
1824
1924
2023
2123
2223
2323
2422
2522
2622
2722
2821
2921
3021
3121

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in July

Winds average 20 km/h in July.

Across July, daily wind ranges from about 20 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
120breezy
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
921breezy
1021breezy
1121breezy
1221breezy
1321breezy
1420breezy
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2420breezy
2520breezy
2620breezy
2720light breeze
2820light breeze
2920light breeze
3020light breeze
3120light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 9 h 24 min at the start of July to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over July. Sunrise moves from 8:12 AM to 7:57 AM, and sunset from 5:35 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.48:125:35
29.48:125:36
39.48:125:36
49.48:125:37
59.48:115:37
69.48:115:38
79.58:115:38
89.58:115:39
99.58:105:39
109.58:105:40
119.58:105:41
129.58:095:41
139.58:095:42
149.68:095:43
159.68:085:43
169.68:085:44
179.68:075:45
189.68:075:45
199.78:065:46
209.78:055:47
219.78:055:48
229.78:045:48
239.88:035:49
249.88:035:50
259.88:025:51
269.88:015:52
279.98:005:52
289.98:005:53
299.97:595:54
3010.07:585:55
3110.07:575:56

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.14 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 — July's 2.14 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
11.9Dim
22.0Dim
32.0Dim
42.0Dim
52.0Dim
62.0Dim
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Moderate
122.1Moderate
132.1Moderate
142.1Moderate
152.1Moderate
162.1Moderate
172.1Moderate
182.2Moderate
192.2Moderate
202.2Moderate
212.2Moderate
222.2Moderate
232.3Moderate
242.3Moderate
252.3Moderate
262.3Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.5Moderate
312.5Moderate
Planning a trip in July

Is July a good time to visit Mar del Plata?

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

3.1
Sightseeing
12th-best month of the year
0.0
Beach & pool
11th-best month of the year

July is a weaker month for outdoor sightseeing in Mar del Plata.

What to pack for Mar del Plata in July

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

In July, Mar del Plata sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: a windbreaker. About 7 days see rain.

a warm layera windbreaker

Sea temperature near Mar del Plata in July

The nearest coast averages about 11°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 2. 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
July 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).