Concepción del Uruguay weather in December

In December, Concepción del Uruguay sees average daytime highs of 29°C and overnight lows near 18°C, with 121 mm of rain across 8 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 49% of the time in December, and the air most often feels humid.

Daylight stretches from about 14 hours at the start of December to 14 h 06 min by month's end. Set against the rest of the year, December is Concepción del Uruguay's 2nd-clearest and 6th-windiest month. For the whole year in context, see Concepción del Uruguay's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
121 mm
8 wet days
Daylight
14 h 06 min
5:45 AM – 7:53 PM
Cloud cover
45%
2nd clearest
Wind
12 km/h
6th windiest
Solar energy
7.26 kWh/m²
Travel score
5.7
out of 10

Concepción del Uruguay is city and head of the department Uruguay, province of Entre Ríos in Argentina.

Founded
1783

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 28°C in the first days to 30°C by the end.

A typical December day in Concepción del Uruguay reaches about 29°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52917
62917
72917
82917
92917
102917
112917
122917
132918
142918
152918
162918
172918
183018
193018
203018
213018
223019
233019
243019
253019
263019
273019
283019
293019
303019
313119

Concepción del Uruguay 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
Jan31° / 20°988.513.95.0
Feb29° / 19°1108.113.25.6
Mar27° / 17°1198.212.26.7
Apr24° / 14°1448.111.27.3
May20° / 11°816.710.46.8
Jun17° / 786.69.96.0
Jul17° / 686.510.15.8
Aug19° / 88710.86.7
Sep21° / 10°907.211.86.9
Oct24° / 13°1239.112.87.1
Nov27° / 16°1087.513.77.1
Dec29° / 18°121814.15.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36238
46238
56337
66436
76436
86535
96535
106535
116634
126634
136535
146535
156436
166436
176436
186337
196337
206337
216238
226238
236238
246238
256139
266139
276139
286238
296337
306337
316337

Chance of precipitation in December

Any precipitation

Concepción del Uruguay gets around 121 mm of rain over 8 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 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
425
525
625
725
825
925
1025
1125
1226
1326
1426
1527
1627
1727
1828
1928
2027
2127
2227
2327
2427
2527
2626
2726
2826
2926
3026
3126

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 28% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12928281420
22828281420
32827291420
42827301420
52726301420
62726301420
72625311530
82625311530
92525311530
102425321630
112425321630
122325321740
132225321840
142124321840
152024311950
162024312150
171923302260
181823302360
191822292470
201722282580
211621282690
221621272690
2315202728100
2415202528111
2514192528121
2614192429131
2714192429141
2813182329151
2913182330161
3013182330161
3112172330171

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
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
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
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 hours at the start of December to 14 h 06 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 5:43 AM to 5:53 AM, and sunset from 7:42 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:437:42
214.05:437:43
314.05:437:44
414.05:437:44
514.05:437:45
614.05:437:46
714.15:437:47
814.15:447:47
914.15:447:48
1014.15:447:49
1114.15:447:50
1214.15:447:50
1314.15:447:51
1414.15:457:52
1514.15:457:52
1614.15:457:53
1714.15:467:53
1814.15:467:54
1914.15:467:54
2014.15:477:55
2114.15:477:56
2214.15:487:56
2314.15:487:56
2414.15:497:57
2514.15:497:57
2614.15:507:58
2714.15:507:58
2814.15:517:58
2914.15:527:59
3014.15:527:59
3114.15:537:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 7.26 kWh/m² in December across the year — December's 7.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit Concepción del Uruguay?

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

5.7
Sightseeing
10th-best month of the year
7.4
Beach & pool
1st-best month of the year

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

What to pack for Concepción del Uruguay in December

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

In December, Concepción del Uruguay sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

UV index in Concepción del Uruguay 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 Concepción del Uruguay peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 15UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Concepción del Uruguay?

Concepción del Uruguay sits at 32.5°S, 58.2°W, 21 m above sea level, in Argentina. The nearest listed city is Paysandú, 23 km away.

Topography around Concepción del Uruguay

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

Within 3 km, the terrain around Concepción del Uruguay has only modest variations in elevation — a maximum elevation change of 33 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 57 m; within 80 km, only modest variations in elevation — a maximum elevation change of 145 m.

The land around Concepción del Uruguay is covered by artificial surfaces (33%) and trees (27%) within 3 km, grassland (36%), cropland (27%) and trees (22%) within 16 km, and cropland (42%) and grassland (35%) within 80 km.

3 km
33 m
16 km
57 m
80 km
145 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Paysandú 23 km · Colón 30 km · Young 61 km · Gualeguaychú 64 km · Fray Bentos 71 km · Mercedes 87 km · Villaguay 101 km · Dolores 116 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 Concepción del Uruguay (-32.4846°, -58.2322°, elevation 21 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).