La Plata weather in May

In May, La Plata sees average daytime highs of 18°C and overnight lows near 10°C, with 60 mm of rain across 6.1 wet days and about 10.2 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 36% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of May to 9 h 48 min by month's end. Set against the rest of the year, May is La Plata's 10th-clearest and 12th-windiest month. For the whole year in context, see La Plata's year-round climate.

Daytime high
18°
8th warmest
Overnight low
10°
5th coldest
Rainfall
60 mm
6.1 wet days
Daylight
10 h 12 min
7:43 AM – 5:53 PM
Cloud cover
57%
10th clearest
Wind
13 km/h
12th windiest
Solar energy
2.7 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 May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 20°C in the first days to 16°C by the end.

A typical May day in La Plata reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
51911
61911
71911
81911
91911
101911
111911
121910
131910
141810
151810
161810
171810
181810
191810
201710
211710
22179
23179
24179
25179
26179
27179
28169
29168
30168
31168

La Plata weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 12th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25545
35545
45545
55545
65446
75446
85446
95446
105248
115248
125248
135050
144951
154951
164852
174852
184654
194753
204654
214654
224456
234456
244456
254357
264456
274456
284456
294456
304555
314456

Chance of precipitation in May

Any precipitation

La Plata gets around 60 mm of rain over 6.1 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 20% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
220
320
419
519
619
718
818
918
1018
1118
1219
1319
1420
1520
1621
1721
1821
1922
2022
2122
2222
2322
2421
2521
2621
2721
2820
2920
3019
3119

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16124132
26124132
36223132
46323122
56422122
66422122
76622111
86622111
96722101
106821101
11692191
12692191
13692191
14692191
15692191
16692191
17692191
18712081
19712081
20721981
21731881
22741781
23751681
24761581
25781471
26791371
27811261
28811261
29831151
30831151
31851041

Wind in May

Winds average 13 km/h in May, the calmest month.

Across May, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 36 min at the start of May to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 7:31 AM to 7:54 AM, and sunset from 6:07 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:316:07
210.67:316:06
310.57:326:05
410.57:336:04
510.57:346:03
610.57:356:02
710.47:366:01
810.47:366:00
910.47:375:59
1010.37:385:58
1110.37:395:57
1210.37:405:57
1310.37:405:56
1410.27:415:55
1510.27:425:54
1610.27:435:53
1710.17:445:53
1810.17:445:52
1910.17:455:51
2010.17:465:50
2110.17:475:50
2210.07:475:49
2310.07:485:49
2410.07:495:48
2510.07:505:47
269.97:505:47
279.97:515:46
289.97:525:46
299.97:525:45
309.97:535:45
319.87:545:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.7 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 — May's 2.7 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.1Moderate
63.0Moderate
73.0Moderate
83.0Moderate
92.9Moderate
102.9Moderate
112.9Moderate
122.8Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in May

Is May a good time to visit La Plata?

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

6.3
Sightseeing
7th-best month of the year
2.2
Beach & pool
8th-best month of the year

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

What to pack for La Plata in May

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

In May, La Plata sees daytime highs around 18°C and nights near 10°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near La Plata in May

The nearest coast averages about 17°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 3 — 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
May 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).