Ituzaingó weather in December

In December, Ituzaingó sees average daytime highs of 31°C and overnight lows near 22°C, with 167 mm of rain across 10.9 wet days and about 13.7 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of December to 13 h 42 min by month's end. Set against the rest of the year, December is Ituzaingó's 7th-clearest and 8th-windiest month. For the whole year in context, see Ituzaingó's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
22°
10th coldest
Rainfall
167 mm
10.9 wet days
Daylight
13 h 42 min
5:51 AM – 7:35 PM
Cloud cover
49%
7th clearest
Wind
12 km/h
8th windiest
Solar energy
6.74 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Ituzaingó reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53121
63121
73121
83121
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213222
223222
233223
243223
253223
263223
273223
283223
293223
303223
313223

How December really feels in Ituzaingó

Once humidity and wind are folded in, December averages 27 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
27
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ituzaingó weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 3rd-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
75941
86040
96139
106139
116139
126139
136139
146139
156139
166139
176139
186139
196139
206139
216040
226040
236040
246040
255941
265842
275941
285941
295842
305842
315842

Chance of precipitation in December

Any precipitation

Ituzaingó gets around 167 mm of rain over 10.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1234
1334
1435
1535
1636
1736
1836
1936
2037
2137
2237
2338
2438
2538
2639
2739
2839
2938
3038
3138

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14112132302
24102133302
34102033313
44102033313
5492033313
6491933323
7491933323
8481933333
9481834333
10481834334
11471834344
12371734354
13371734354
14371634364
15361534375
16361534385
17261434385
18261433396
19261333406
20261332417
21151332428
22151231428
23151230439
241512294410
251412284411
260413274411
270413264412
280413254413
290413254414
300414244514
310314234515

Wind in December

Winds average 12 km/h in December.

Across December, 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 36 min at the start of December to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:48 AM to 5:58 AM, and sunset from 7:25 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:487:25
213.65:487:26
313.65:487:27
413.75:487:27
513.75:487:28
613.75:487:29
713.75:497:29
813.75:497:30
913.75:497:31
1013.75:497:31
1113.75:497:32
1213.75:507:33
1313.75:507:33
1413.75:507:34
1513.75:517:34
1613.75:517:35
1713.75:517:36
1813.75:527:36
1913.75:527:37
2013.75:527:37
2113.75:537:38
2213.75:537:38
2313.75:547:39
2413.75:547:39
2513.75:557:39
2613.75:557:40
2713.75:567:40
2813.75:567:41
2913.75:577:41
3013.75:587:41
3113.75:587:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.74 kWh/m² — the sunniest month for solar.

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 — December's 6.74 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in December

Is December a good time to visit Ituzaingó?

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

4.4
Sightseeing
10th-best month of the year
6.6
Beach & pool
4th-best month of the year

December is a reasonable time to visit Ituzaingó for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ituzaingó in December

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

In December, Ituzaingó sees daytime highs around 31°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Ituzaingó in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).