La Plata weather in October

In October, La Plata sees average daytime highs of 21°C and overnight lows near 12°C, with 102 mm of rain across 9.6 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°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 18 min at the start of October to 13 h 24 min by month's end. Set against the rest of the year, October is La Plata's 9th-clearest and 3rd-windiest month. For the whole year in context, see La Plata's year-round climate.

Daytime high
21°
7th warmest
Overnight low
12°
6th coldest
Rainfall
102 mm
9.6 wet days
Daylight
12 h 54 min
6:10 AM – 7:04 PM
Cloud cover
56%
9th clearest
Wind
15 km/h
3rd windiest
Solar energy
5.65 kWh/m²
Travel score
6.6
out of 10

La Plata is capital of the Buenos Aires province, Argentina.

Density
7,239/km²
people per km²
Founded
1882

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 19°C in the first days to 22°C by the end.

A typical October day in La Plata reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, October runs about 3°C warmer than September and about 3°C cooler than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11910
21911
31911
41911
52011
62011
72011
82011
92011
102012
112012
122012
132112
142112
152112
162112
172112
182112
192112
202112
212113
222113
232213
242213
252213
262213
272213
282213
292213
302213
312213

La 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
Jan28° / 19°92814.16.3
Feb27° / 18°868.713.36.7
Mar25° / 16°847.612.37.4
Apr22° / 13°867.611.17.1
May18° / 10°606.110.26.3
Jun15° / 6269.74.9
Jul14° / 646.39.94.5
Aug16° / 686.210.75.5
Sep18° / 726.911.86.3
Oct21° / 12°1029.612.96.6
Nov24° / 14°938.613.87.2
Dec27° / 17°828.514.36.9

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 14% of October, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34753
44753
54753
64753
74753
84753
94753
104852
114951
125050
135050
145050
155050
165050
175149
185149
195050
205050
215149
225149
235149
245149
255149
265149
275149
285149
295248
305248
315347

Chance of precipitation in October

Any precipitation

La Plata gets around 102 mm of rain over 9.6 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
227
327
428
528
628
729
829
929
1029
1129
1230
1330
1430
1530
1631
1731
1831
1931
2032
2132
2232
2332
2432
2532
2632
2731
2831
2931
3031
3131

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771940
2752050
3742150
4722260
5712360
6682471
7682471
8662581
9662581
10652591
11642691
126326101
136227101
146227101
156227101
166028111
175928112
185928112
195729122
205729122
215629132
225629132
235629132
245529142
255430142
265430142
275330152
285231152
295231152
305131162
315031163

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1914light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 18 min at the start of October to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over October. Sunrise moves from 6:30 AM to 5:53 AM, and sunset from 6:51 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:306:51
212.46:296:52
312.46:286:53
412.56:266:54
512.56:256:54
612.56:236:55
712.66:226:56
812.66:216:57
912.66:196:58
1012.76:186:59
1112.76:166:59
1212.86:157:00
1312.86:147:01
1412.86:137:02
1512.96:117:03
1612.96:107:04
1712.96:097:05
1813.06:087:05
1913.06:067:06
2013.06:057:07
2113.16:047:08
2213.16:037:09
2313.16:027:10
2413.26:017:11
2513.25:597:12
2613.25:587:13
2713.35:577:14
2813.35:567:15
2913.35:557:16
3013.45:547:17
3113.45:537:17

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.65 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 7.59 kWh/m² in December across the year — October's 5.65 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.8Bright
185.8Bright
195.8Bright
205.9Bright
215.9Bright
226.0Bright
236.0Intense
246.0Intense
256.1Intense
266.1Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in October

Is October a good time to visit La Plata?

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

6.6
Sightseeing
6th-best month of the year
3.9
Beach & pool
7th-best month of the year

October is a reasonable time to visit La Plata for sightseeing.

What to pack for La Plata in October

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

In October, La Plata sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near La Plata in October

The nearest coast averages about 18°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 25°C and coldest in July near 12°C.

It's comfortable for a long swim from Nov 10 to Apr 15 — about 5.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar23Refreshing
Apr20Refreshing
May17Cool
Jun13Bracing
Jul12Bracing
Aug13Bracing
Sep15Bracing
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in La Plata in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in La Plata peaks around January 15 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 15UV 12Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is La Plata?

La Plata sits at 34.9°S, 58.0°W, 27 m above sea level, in Argentina. The nearest listed city is Ensenada, 8.0 km away.

Topography around La Plata

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

Within 3 km, the terrain around La Plata has only modest variations in elevation — a maximum elevation change of 28 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 52 m; within 80 km, only modest variations in elevation — a maximum elevation change of 116 m.

The land around La Plata is covered by artificial surfaces (85%) within 3 km, grassland (47%) within 16 km, and water (36%), grassland (33%) and cropland (20%) within 80 km.

3 km
28 m
16 km
52 m
80 km
116 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Ensenada 8.0 km · Berisso 9.0 km · Berazategui 29 km · Quilmes 35 km · Coronel Brandsen 38 km · Adrogué 41 km · Burzaco 42 km · Monte Chingolo 42 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 La Plata (-34.9213°, -57.9544°, elevation 27 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).