Mar del Plata weather in October

In October, Mar del Plata sees average daytime highs of 16°C and overnight lows near 10°C, with 80 mm of rain across 9 wet days and about 13 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 17°C by the end. The sky is clear or mostly clear about 35% of the time in October, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of October to 13 h 36 min by month's end. Set against the rest of the year, October is Mar del Plata's 7th-clearest and 8th-windiest month. For the whole year in context, see Mar del Plata's year-round climate.

Daytime high
16°
7th warmest
Overnight low
10°
5th coldest
Rainfall
80 mm
9 wet days
Daylight
13 hours
6:05 AM – 7:05 PM
Cloud cover
56%
7th clearest
Wind
20 km/h
8th windiest
Solar energy
5.6 kWh/m²
Travel score
5.1
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 17°C by the end.

A typical October day in Mar del Plata reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 20°C. Set against its neighbours, October runs about 2°C warmer than September and about 3°C cooler than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1149
2159
3159
4159
5159
61510
71510
81510
91510
101510
111610
121610
131610
141610
151610
161610
171610
181611
191611
201611
211611
221711
231711
241711
251711
261711
271711
281711
291711
301711
311711

Mar del Plata weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 1st-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 16% of October, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54951
64951
74951
84951
95149
105149
115149
125248
135248
145248
155248
165347
175347
185248
195248
205248
215347
225347
235347
245248
255248
265347
275446
285446
295446
305545
315545

Chance of precipitation in October

Any precipitation

Mar del Plata gets around 80 mm of rain over 9 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
230
330
430
530
630
730
830
929
1029
1129
1229
1329
1428
1528
1628
1728
1828
1928
2028
2128
2229
2329
2429
2529
2629
2729
2829
2929
3030
3130

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19640
29640
39550
49550
59460
69460
79370
89370
99280
109181
119091
129091
1389101
1488111
1588111
1687121
1786131
1886131
1985141
2085141
2185141
2284151
2384151
2484151
2583161
2683161
2782171
2882171
2981181
3081181
3180191

Wind in October

Winds average 20 km/h in October.

Across October, daily wind ranges from about 20 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
120breezy
220breezy
320breezy
420breezy
520breezy
620breezy
720breezy
820breezy
920breezy
1020light breeze
1120light breeze
1220light 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
3020breezy
3120breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 24 min at the start of October to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over October. Sunrise moves from 6:28 AM to 5:47 AM, and sunset from 6:51 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:286:51
212.46:266:52
312.56:246:53
412.56:236:54
512.66:216:55
612.66:206:56
712.66:186:56
812.76:176:57
912.76:156:58
1012.86:146:59
1112.86:127:00
1212.86:117:01
1312.96:097:02
1412.96:087:03
1513.06:077:04
1613.06:057:05
1713.06:047:06
1813.16:027:07
1913.16:017:08
2013.26:007:09
2113.25:587:10
2213.25:577:11
2313.35:567:12
2413.35:557:14
2513.45:537:15
2613.45:527:16
2713.45:517:17
2813.55:507:18
2913.55:497:19
3013.55:487:20
3113.65:477:21

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.6 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 — October's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.4Bright
125.4Bright
135.5Bright
145.5Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.9Bright
225.9Bright
236.0Bright
246.0Intense
256.0Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.3Intense
316.3Intense
Planning a trip in October

Is October a good time to visit Mar del Plata?

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

5.1
Sightseeing
7th-best month of the year
0.7
Beach & pool
7th-best month of the year

October is a reasonable time to visit Mar del Plata for sightseeing.

What to pack for Mar del Plata in October

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

In October, Mar del Plata sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 9 days see rain.

a warm layerrain gearsun protection

Sea temperature near Mar del Plata in October

The nearest coast averages about 13°C in October — 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 October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 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
October 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).