Veinticinco de Mayo weather in May

In May, Veinticinco de Mayo sees average daytime highs of 18°C and overnight lows near 8°C, with 54 mm of rain across 6.1 wet days and about 10.2 hours of daylight. It is the 9th-warmest and 9th-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 35% 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 Veinticinco de Mayo's 12th-clearest and 11th-windiest month. For the whole year in context, see Veinticinco de Mayo's year-round climate.

Daytime high
18°
9th warmest
Overnight low
5th coldest
Rainfall
54 mm
6.1 wet days
Daylight
10 h 06 min
7:53 AM – 6:01 PM
Cloud cover
57%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
2.62 kWh/m²
Travel score
6.3
out of 10

Veinticinco de Mayo is town in the centre of Buenos Aires Province in Argentina.

Founded
1836

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 Veinticinco de Mayo reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°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)
12010
22010
32010
42010
5209
6209
7199
8199
9199
10199
11199
12199
13199
14189
15188
16188
17188
18188
19188
20178
21178
22178
23178
24177
25177
26177
27167
28167
29167
30167
31166

Veinticinco de Mayo weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 17°1058.814.16.0
Feb28° / 16°99813.36.8
Mar26° / 15°1008.112.37.3
Apr22° / 11°1018.211.17.1
May18° / 546.110.26.3
Jun15° / 455.49.74.9
Jul14° / 415.39.94.6
Aug17° / 464.610.76.0
Sep19° / 686.911.86.5
Oct22° / 11°1059.712.96.7
Nov25° / 13°1038.613.97.2
Dec28° / 16°948.714.36.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25644
35545
45446
55446
65446
75347
85347
95248
105149
115050
124951
134951
144753
154753
164654
174654
184555
194456
204456
214456
224357
234357
244357
254357
264357
274456
284357
294357
304456
314357

Chance of precipitation in May

Any precipitation

Veinticinco de Mayo gets around 54 mm of rain over 6.1 wet days in May. 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 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
223
322
421
521
620
720
820
919
1019
1119
1219
1320
1420
1520
1620
1720
1821
1920
2020
2120
2220
2320
2420
2519
2619
2718
2818
2917
3017
3116

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1761581
2751591
3751591
4751591
5761491
6771481
7771481
8771481
9781471
10781471
11791461
12801361
13801361
14801361
15801361
16811351
17821251
18821251
19831151
20831151
21841051
22841051
2385951
2486851
2586851
2687751
2787751
2888741
2989641
3089641
3190631

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912light breeze
3012light breeze
3112light 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 7:40 AM to 8:04 AM, and sunset from 6:15 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:406:15
210.67:416:14
310.57:426:13
410.57:436:12
510.57:446:11
610.47:456:10
710.47:456:09
810.47:466:08
910.37:476:07
1010.37:486:06
1110.37:496:05
1210.27:496:04
1310.27:506:04
1410.27:516:03
1510.27:526:02
1610.17:536:01
1710.17:546:00
1810.17:546:00
1910.17:555:59
2010.07:565:58
2110.07:575:58
2210.07:575:57
2310.07:585:56
249.97:595:56
259.98:005:55
269.98:005:55
279.98:015:54
289.98:025:54
299.88:035:53
309.88:035:53
319.88:045:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.62 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 7.49 kWh/m² in December across the year — May's 2.62 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.4Moderate
232.4Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.3Moderate
292.3Moderate
302.3Moderate
312.3Moderate
Planning a trip in May

Is May a good time to visit Veinticinco de Mayo?

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

6.3
Sightseeing
8th-best month of the year
2.2
Beach & pool
9th-best month of the year

May is a reasonable time to visit Veinticinco de Mayo for sightseeing.

What to pack for Veinticinco de Mayo in May

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

In May, Veinticinco de Mayo sees daytime highs around 18°C and nights near 8°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Veinticinco de Mayo 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 Veinticinco de Mayo peaks around January 14 at about 13 (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 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 14UV 13Jun 20UV 2
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep5High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Veinticinco de Mayo?

Veinticinco de Mayo sits at 35.4°S, 60.2°W, 59 m above sea level, in Argentina. The nearest listed city is Saladillo, 42 km away.

Topography around Veinticinco de Mayo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Veinticinco de Mayo.

Within 3 km, the terrain around Veinticinco de Mayo has only modest variations in elevation — a maximum elevation change of 13 m around an average of 51 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, only modest variations in elevation — a maximum elevation change of 80 m.

The land around Veinticinco de Mayo is covered by cropland (40%) and grassland (30%) within 3 km, cropland (73%) and grassland (23%) within 16 km, and cropland (73%) and grassland (25%) within 80 km.

3 km
13 m
16 km
38 m
80 km
80 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Saladillo 42 km · Bragado 46 km · Chivilcoy 61 km · Nueve de Julio 65 km · Chacabuco 92 km · Los Toldos 92 km · Navarro 94 km · Lobos 101 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 Veinticinco de Mayo (-35.4325°, -60.1716°, elevation 59 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. 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).