La Plata weather in January

In January, La Plata sees average daytime highs of 28°C and overnight lows near 19°C, with 92 mm of rain across 8 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 52% of the time in January, and the air most often feels muggy.

Daylight stretches from about 14 h 18 min at the start of January to 13 h 48 min by month's end. Set against the rest of the year, January is La Plata's 1st-clearest and 6th-windiest month. For the whole year in context, see La Plata's year-round climate.

Daytime high
28°
1st warmest
Overnight low
19°
12th coldest
Rainfall
92 mm
8 wet days
Daylight
14 h 06 min
5:58 AM – 8:04 PM
Cloud cover
42%
1st clearest
Wind
14 km/h
6th windiest
Solar energy
7.42 kWh/m²
Travel score
6.3
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in La Plata reaches about 28°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102818
112818
122818
132818
142818
152818
162818
172818
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819
312819

La Plata weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 3rd-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in January, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26535
36634
46634
56634
66733
76733
86733
96832
106832
116832
126832
136832
146832
156931
167030
176931
186931
196931
207030
216931
226931
236832
246931
256931
266832
276832
286733
296634
306634
316535

Chance of precipitation in January

Any precipitation

La Plata gets around 92 mm of rain over 8 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
328
428
528
628
727
827
927
1026
1126
1226
1325
1425
1525
1624
1724
1824
1924
2024
2124
2225
2325
2426
2526
2627
2728
2828
2929
3030
3131

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1151731316
2151830316
3141829326
4141929327
5141928327
6142028327
7152027316
8152127316
9152127316
10152226316
11152226316
12152226316
13152226316
14152226316
15152226316
16152226316
17152226316
18152227316
19152127326
20142127326
21142027327
22142027327
23141927338
24141926338
25131827348
26131826349
27131726349
28131726359
291317253510
301317253510
311417243510

Wind in January

Winds average 14 km/h in January.

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

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 14 h 18 min at the start of January to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over January. Sunrise moves from 5:46 AM to 6:12 AM, and sunset from 8:04 PM to 7:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:468:04
214.35:468:04
314.35:478:05
414.35:488:05
514.35:498:05
614.35:498:05
714.25:508:05
814.25:518:05
914.25:528:05
1014.25:538:05
1114.25:538:05
1214.25:548:05
1314.25:558:05
1414.15:568:05
1514.15:578:04
1614.15:588:04
1714.15:598:04
1814.16:008:04
1914.06:018:04
2014.06:028:03
2114.06:038:03
2214.06:048:03
2314.06:058:02
2413.96:058:02
2513.96:068:01
2613.96:078:01
2713.96:088:00
2813.86:098:00
2913.86:107:59
3013.86:117:59
3113.86:127:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 7.42 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 — January's 7.42 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.4Intense
207.4Intense
217.4Intense
227.3Intense
237.3Intense
247.3Intense
257.2Intense
267.2Intense
277.1Intense
287.1Intense
297.0Intense
307.0Intense
316.9Intense
Planning a trip in January

Is January a good time to visit La Plata?

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

6.3
Sightseeing
7th-best month of the year
7.4
Beach & pool
1st-best month of the year

January is a reasonable time to visit La Plata for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Plata in January

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

In January, La Plata sees daytime highs around 28°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

Sea temperature near La Plata in January

The nearest coast averages about 25°C in January — 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 January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). 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
January 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).