Curuzú Cuatiá weather in December

In December, Curuzú Cuatiá sees average daytime highs of 30°C and overnight lows near 19°C, with 132 mm of rain across 9.2 wet days and about 13.9 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 29°C in the first days to 31°C by the end. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of December to 13 h 54 min by month's end. Set against the rest of the year, December is Curuzú Cuatiá's 6th-clearest and 7th-windiest month. For the whole year in context, see Curuzú Cuatiá's year-round climate.

Daytime high
30°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
132 mm
9.2 wet days
Daylight
13 h 54 min
5:51 AM – 7:45 PM
Cloud cover
48%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
7.02 kWh/m²
Travel score
5.2
out of 10

Curuzú Cuatiá is city in Argentina.

Founded
1810

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 29°C in the first days to 31°C by the end.

A typical December day in Curuzú Cuatiá reaches about 30°C in the afternoon and slips back to 19°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12918
22918
32918
42918
52918
62918
72918
83018
93018
103019
113019
123019
133019
143019
153019
163019
173019
183019
193019
203019
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How December really feels in Curuzú Cuatiá

Once humidity and wind are folded in, December averages 5 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
5
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.

Curuzú Cuatiá weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°14210.513.74.5
Feb30° / 20°1189.813.14.9
Mar29° / 18°1269.412.26.0
Apr25° / 15°1739.511.37.1
May21° / 12°997.510.56.9
Jun19° / 10°997.910.16.4
Jul19° / 796.810.36.7
Aug21° / 10°836.910.97.2
Sep23° / 12°1128.211.87.2
Oct25° / 15°17510.512.76.9
Nov28° / 17°1368.113.56.6
Dec30° / 19°1329.213.95.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 40%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56139
66139
76139
86139
96139
106139
116139
126040
136040
146040
155941
166040
176040
185941
196040
206040
215941
226040
235941
245941
256040
266040
276040
286040
296040
306040
316139

Chance of precipitation in December

Any precipitation

Curuzú Cuatiá gets around 132 mm of rain over 9.2 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
429
528
628
728
828
928
1028
1128
1229
1329
1429
1530
1630
1731
1831
1931
2032
2132
2232
2332
2432
2532
2632
2732
2832
2931
3031
3132

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11523282661
21523282761
31523282771
41523282771
51522282771
61522282781
71522272781
81522272791
91422262891
1014212628101
1113212529101
1213212529111
1312212430121
1412212431121
1511202331131
1611202332141
1710202232151
1810192232161
199192232171
209182132182
218182132202
228172032212
237172032222
247171931233
257161931243
266161930253
276151930264
286151929274
296151829284
306141829294
316141828294

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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light 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
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 48 min at the start of December to 13 h 54 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 5:49 AM to 5:59 AM, and sunset from 7:35 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:497:35
213.85:497:36
313.85:497:37
413.85:497:38
513.85:497:38
613.85:497:39
713.85:497:40
813.95:497:40
913.95:497:41
1013.95:507:42
1113.95:507:42
1213.95:507:43
1313.95:507:44
1413.95:517:44
1513.95:517:45
1613.95:517:45
1713.95:527:46
1813.95:527:47
1913.95:527:47
2013.95:537:48
2113.95:537:48
2213.95:547:49
2313.95:547:49
2413.95:557:50
2513.95:557:50
2613.95:567:50
2713.95:567:51
2813.95:577:51
2913.95:577:51
3013.95:587:52
3113.95:597:52

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.02 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.5 kWh/m² to a high of 7.02 kWh/m² in December across the year — December's 7.02 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.0Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.1Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.0Intense
247.0Intense
257.0Intense
267.0Intense
277.0Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in December

Is December a good time to visit Curuzú Cuatiá?

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

5.2
Sightseeing
10th-best month of the year
7.1
Beach & pool
3rd-best month of the year

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

What to pack for Curuzú Cuatiá in December

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

In December, Curuzú Cuatiá sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Curuzú Cuatiá in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Curuzú Cuatiá peaks around January 23 at about 13 (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 highModerateHighVery highExtremeJan 23UV 13Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep7Very high
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Curuzú Cuatiá?

Curuzú Cuatiá sits at 29.8°S, 58.0°W, 62 m above sea level, in Argentina. The nearest listed city is Monte Caseros, 65 km away.

Topography around Curuzú Cuatiá

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

Within 3 km, the terrain around Curuzú Cuatiá has only modest variations in elevation — a maximum elevation change of 26 m around an average of 71 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, only modest variations in elevation — a maximum elevation change of 104 m.

The land around Curuzú Cuatiá is covered by grassland (65%) within 3 km, grassland (93%) within 16 km, and grassland (80%) within 80 km.

3 km
26 m
16 km
64 m
80 km
104 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Monte Caseros 65 km · Mercedes 68 km · Uruguaiana 93 km · Paso de los Libres 93 km · Chajarí 107 km · Goya 138 km · Esquina 145 km · Federal 147 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 Curuzú Cuatiá (-29.7915°, -58.0499°, elevation 62 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).