Monte Caseros weather in May

In May, Monte Caseros sees average daytime highs of 21°C and overnight lows near 12°C, with 104 mm of rain across 7.7 wet days and about 10.5 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 19°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 48 min at the start of May to 10 h 12 min by month's end. Set against the rest of the year, May is Monte Caseros's 12th-clearest and 8th-windiest month. For the whole year in context, see Monte Caseros's year-round climate.

Daytime high
21°
9th warmest
Overnight low
12°
5th coldest
Rainfall
104 mm
7.7 wet days
Daylight
10 h 30 min
7:32 AM – 6:01 PM
Cloud cover
57%
12th clearest
Wind
13 km/h
8th windiest
Solar energy
2.92 kWh/m²
Travel score
6.9
out of 10

Monte Caseros is city in Corrientes, Argentina.

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 23°C in the first days to 19°C by the end.

A typical May day in Monte Caseros 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 26°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12314
22314
32313
42313
52313
62213
72213
82213
92213
102213
112213
122213
132213
142112
152112
162112
172112
182112
192112
202112
212012
222012
232011
242011
252011
262011
272011
282011
292011
301911
311911

How May really feels in Monte Caseros

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Monte Caseros weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°1349.713.74.5
Feb30° / 20°1279.613.14.9
Mar29° / 19°1199.212.26.0
Apr25° / 15°1779.411.37.1
May21° / 12°1047.710.56.9
Jun19° / 10°1057.810.16.4
Jul18° / 856.710.26.6
Aug21° / 10°887.110.97.1
Sep23° / 12°1117.911.87.2
Oct25° / 15°16610.312.76.9
Nov28° / 17°129813.56.6
Dec30° / 19°117913.95.1

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 12% of May, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25248
35149
45149
55149
65149
75050
84951
94852
104852
114753
124852
134753
144654
154654
164555
174456
184456
194456
204555
214555
224555
234555
244555
254654
264753
274753
284753
294852
304951
314852

Chance of precipitation in May

Any precipitation

Monte Caseros gets around 104 mm of rain over 7.7 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
128
228
327
427
526
626
725
825
924
1024
1124
1223
1323
1423
1524
1624
1724
1824
1924
2024
2124
2225
2325
2425
2525
2625
2725
2824
2924
3024
3124

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1402318162
2412318162
3422317162
4432317162
5442316152
6452316152
7462316141
8472316131
9472316131
10482316121
11492217111
12492217111
13502218101
1450211991
1551211990
1652201990
1752202080
1852202080
1955191970
2055191970
2156181970
2257181861
2359171761
2459171761
2561161661
2662161561
2763161461
2864161361
2964161271
3065151271
3166151171

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light 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 48 min at the start of May to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 7:22 AM to 7:42 AM, and sunset from 6:13 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.87:226:13
210.87:236:12
310.87:246:11
410.87:246:10
510.77:256:09
610.77:266:09
710.77:266:08
810.77:276:07
910.67:286:06
1010.67:286:05
1110.67:296:05
1210.67:306:04
1310.57:306:03
1410.57:316:02
1510.57:326:02
1610.57:326:01
1710.57:336:01
1810.47:346:00
1910.47:345:59
2010.47:355:59
2110.47:365:58
2210.47:365:58
2310.37:375:57
2410.37:375:57
2510.37:385:56
2610.37:395:56
2710.37:395:56
2810.37:405:55
2910.27:405:55
3010.27:415:55
3110.27:425:54

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.92 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 7.09 kWh/m² in December across the year — May's 2.92 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.3Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.2Moderate
83.1Moderate
93.1Moderate
103.1Moderate
113.0Moderate
123.0Moderate
133.0Moderate
142.9Moderate
152.9Moderate
162.9Moderate
172.9Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.7Moderate
242.7Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.6Moderate
Planning a trip in May

Is May a good time to visit Monte Caseros?

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

6.9
Sightseeing
4th-best month of the year
4.3
Beach & pool
9th-best month of the year

May is a reasonable time to visit Monte Caseros for sightseeing.

What to pack for Monte Caseros in May

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

In May, Monte Caseros sees daytime highs around 21°C and nights near 12°C. Little to plan around — just the basics. About 8 days see rain.

UV index in Monte Caseros in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monte Caseros peaks around January 20 at about 13 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 20UV 13Jun 19UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Monte Caseros?

Monte Caseros sits at 30.3°S, 57.6°W, 24 m above sea level, in Argentina. The nearest listed city is Curuzú Cuatiá, 65 km away.

Topography around Monte Caseros

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

Within 3 km, the terrain around Monte Caseros has only modest variations in elevation — a maximum elevation change of 29 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 59 m; within 80 km, only modest variations in elevation — a maximum elevation change of 148 m.

The land around Monte Caseros is covered by grassland (36%) and water (30%) within 3 km, grassland (51%) and trees (22%) within 16 km, and grassland (74%) within 80 km.

3 km
29 m
16 km
59 m
80 km
148 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Curuzú Cuatiá 65 km · Chajarí 65 km · Uruguaiana 76 km · Paso de los Libres 80 km · Artigas 113 km · Quaraí 115 km · Mercedes 126 km · Salto 130 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 Monte Caseros (-30.2518°, -57.6354°, elevation 24 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).