Concordia weather in December

In December, Concordia sees average daytime highs of 30°C and overnight lows near 18°C, with 115 mm of rain across 8.1 wet days and about 14 hours of daylight. It is the 2nd-warmest and 4th-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 48% of the time in December, and the air most often feels humid.

Daylight stretches from about 13 h 54 min at the start of December to 14 hours by month's end. Set against the rest of the year, December is Concordia's 4th-clearest and 6th-windiest month. For the whole year in context, see Concordia's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
115 mm
8.1 wet days
Daylight
14 hours
5:47 AM – 7:49 PM
Cloud cover
46%
4th clearest
Wind
13 km/h
6th windiest
Solar energy
7.21 kWh/m²
Travel score
5.4
out of 10

Concordia is city in Argentina.

Density
45/km²
people per km²
Founded
1831

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 Concordia reaches about 30°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 35°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)
12917
22917
32917
42917
52917
62918
72918
82918
92918
102918
113018
123018
133018
143018
153018
163018
173018
183019
193019
203019
213019
223019
233019
243119
253119
263120
273120
283120
293120
303120
313120

Concordia weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1128.413.84.8
Feb30° / 20°1058.713.15.2
Mar28° / 18°1167.912.26.5
Apr24° / 15°1488.311.37.3
May20° / 11°1047.310.46.8
Jun18° / 897.4106.1
Jul17° / 776.410.26.1
Aug20° / 917.110.96.9
Sep21° / 11°917.711.87.0
Oct24° / 14°1399.412.87.1
Nov27° / 16°1127.213.66.9
Dec30° / 18°1158.1145.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36238
46238
56238
66337
76337
86337
96436
106436
116436
126436
136436
146337
156337
166238
176238
186139
196139
206139
216040
226040
236040
246040
256040
266040
276040
286139
296139
306139
316238

Chance of precipitation in December

Any precipitation

Concordia gets around 115 mm of rain over 8.1 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 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
424
524
624
724
824
924
1024
1124
1224
1325
1426
1526
1627
1728
1828
1928
2029
2129
2229
2329
2429
2529
2629
2728
2828
2928
3028
3127

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 27% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12428271820
22428271820
32428271820
42427281820
52427281830
62426281930
72326281930
82325291940
92225291940
102225292040
112125292050
122124292150
132024292150
141924292260
151823292360
161822292470
171722292480
181621282590
191521282690
2015202727101
2114202727111
2214192628121
2313192528131
2413192528141
2513182429151
2612182329161
2712182329171
2812172329172
2912172229182
3011172229182
3111172229192

Wind in December

Winds average 13 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.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min at the start of December to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 5:45 AM to 5:55 AM, and sunset from 7:39 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:457:39
213.95:457:39
313.95:457:40
413.95:457:41
513.95:457:42
614.05:457:43
714.05:457:43
814.05:457:44
914.05:457:45
1014.05:467:45
1114.05:467:46
1214.05:467:47
1314.05:467:47
1414.05:477:48
1514.05:477:49
1614.05:477:49
1714.05:487:50
1814.05:487:50
1914.05:487:51
2014.05:497:51
2114.05:497:52
2214.05:507:52
2314.05:507:53
2414.05:517:53
2514.05:517:54
2614.05:527:54
2714.05:527:54
2814.05:537:55
2914.05:537:55
3014.05:547:55
3114.05:557:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.21 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 7.21 kWh/m² in December across the year — December's 7.21 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.3Intense
107.3Intense
117.3Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
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 Concordia?

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

5.4
Sightseeing
10th-best month of the year
7.3
Beach & pool
1st-best month of the year

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

What to pack for Concordia in December

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

In December, Concordia sees daytime highs around 30°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 Concordia 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 Concordia peaks around January 18 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 18UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar10Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Concordia?

Concordia sits at 31.4°S, 58.0°W, 36 m above sea level, in Argentina. The nearest listed city is Salto, 5.0 km away.

Topography around Concordia

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

Within 3 km, the terrain around Concordia has only modest variations in elevation — a maximum elevation change of 47 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, only modest variations in elevation — a maximum elevation change of 169 m.

The land around Concordia is covered by artificial surfaces (52%) within 3 km, grassland (47%) and trees (36%) within 16 km, and grassland (60%) within 80 km.

3 km
47 m
16 km
81 m
80 km
169 m
treesgrasslandcroplandartificial surfaceswater
December weather nearby: Salto 5.0 km · Chajarí 71 km · Federal 87 km · Colón 93 km · Paysandú 103 km · Villaguay 109 km · Concepción del Uruguay 123 km · Monte Caseros 132 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 Concordia (-31.392°, -58.0171°, elevation 36 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).