Ituzaingó weather in May

In May, Ituzaingó sees average daytime highs of 23°C and overnight lows near 15°C, with 134 mm of rain across 8.8 wet days and about 10.7 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Ituzaingó's 10th-clearest and 7th-windiest month. For the whole year in context, see Ituzaingó's year-round climate.

Daytime high
23°
9th warmest
Overnight low
15°
4th coldest
Rainfall
134 mm
8.8 wet days
Daylight
10 h 36 min
7:24 AM – 6:02 PM
Cloud cover
53%
10th clearest
Wind
12 km/h
7th windiest
Solar energy
3.07 kWh/m²
Travel score
7.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 21°C by the end.

A typical May day in Ituzaingó reaches about 23°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°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)
12517
22517
32517
42417
52417
62416
72416
82416
92416
102416
112416
122316
132316
142316
152315
162315
172315
182315
192215
202215
212215
222215
232215
242215
252214
262214
272214
282114
292114
302114
312114

How May really feels in Ituzaingó

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.

Ituzaingó weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°13812.413.53.9
Feb31° / 23°13111.9134.2
Mar30° / 21°11910.412.25.1
Apr27° / 19°1709.511.46.7
May23° / 15°1348.810.77.1
Jun21° / 14°1168.610.36.7
Jul21° / 12°1058.510.46.9
Aug23° / 14°857.9117.4
Sep25° / 16°1399.811.87.2
Oct27° / 18°2101212.76.3
Nov29° / 20°15610.113.45.6
Dec31° / 22°16710.913.74.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 47%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15644
25644
35644
45644
55644
65644
75644
85545
95545
105545
115446
125446
135446
145446
155347
165347
175248
185347
195248
205248
215149
225248
235149
245149
255149
265050
275149
285149
295149
305248
315248

Chance of precipitation in May

Any precipitation

Ituzaingó gets around 134 mm of rain over 8.8 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 28% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
528
628
728
828
927
1027
1127
1227
1328
1428
1528
1628
1728
1829
1929
2029
2129
2229
2328
2428
2528
2628
2728
2828
2928
3028
3128

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 29% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11917272611
22017272610
3211826269
4221926258
5221926258
6232026257
7232126256
8232126245
9242226245
10242326234
11252326234
12252326223
13262426223
14262426213
15272426202
16272426202
17282426192
18292426192
19302426182
20312425172
21322425172
22342425162
23352424152
24362424152
25372424142
26382423142
27392423132
28392422132
29402422131
30402422131
31412422131

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
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours at the start of May to 10 h 24 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 7:15 AM to 7:32 AM, and sunset from 6:13 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.07:156:13
210.97:166:12
310.97:166:11
410.97:176:10
510.97:176:10
610.87:186:09
710.87:196:08
810.87:196:07
910.87:206:07
1010.87:206:06
1110.77:216:05
1210.77:216:05
1310.77:226:04
1410.77:236:03
1510.77:236:03
1610.67:246:02
1710.67:246:02
1810.67:256:01
1910.67:266:01
2010.67:266:00
2110.57:276:00
2210.57:275:59
2310.57:285:59
2410.57:285:58
2510.57:295:58
2610.57:295:58
2710.57:305:57
2810.47:315:57
2910.47:315:57
3010.47:325:56
3110.47:325:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.07 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.74 kWh/m² in December across the year — May's 3.07 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.4Moderate
63.4Moderate
73.4Moderate
83.3Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Ituzaingó?

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

7.1
Sightseeing
3rd-best month of the year
5.4
Beach & pool
10th-best month of the year

May is one of the better times to visit Ituzaingó for general sightseeing.

What to pack for Ituzaingó in May

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

In May, Ituzaingó sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Ituzaingó in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ituzaingó peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateVery highExtremeJan 20UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec13Extreme

Air quality in Ituzaingó in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Ituzaingó is worst in February — around 27 µg/m³ PM2.5 (moderate), about 4.8× the cleanest month (May, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodFeb 1425 µg/m³May 146 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb27Moderate
Mar7Good
Apr6Good
May6Good
Jun7Good
Jul9Good
Aug15Moderate
Sep16Moderate
Oct10Good
Nov10Good
Dec6Good
Location & terrain

Where is Ituzaingó?

Ituzaingó sits at 27.6°S, 56.7°W, 63 m above sea level, in Argentina. The nearest listed city is Posadas, 78 km away.

Topography around Ituzaingó

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

Within 3 km, the terrain around Ituzaingó has only modest variations in elevation — a maximum elevation change of 31 m around an average of 67 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 55 m; within 80 km, significant variations in elevation — a maximum elevation change of 263 m.

The land around Ituzaingó is covered by grassland (28%), water (25%) and trees (22%) within 3 km, wetland (46%) and grassland (20%) within 16 km, and wetland (40%) and grassland (31%) within 80 km.

3 km
31 m
16 km
55 m
80 km
263 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Posadas 78 km · Gobernador Virasora 83 km · Garupá 85 km · Encarnación 86 km · Apóstoles 99 km · Trinidad 109 km · San Juan Bautista 111 km · Santo Tomé 125 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 Ituzaingó (-27.585°, -56.6871°, elevation 63 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).