Cosquín weather in December

In December, Cosquín sees average daytime highs of 26°C and overnight lows near 15°C, with 133 mm of rain across 14.9 wet days and about 14 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 27°C by the end. The sky is clear or mostly clear about 41% of the time in December, and the air most often feels dry.

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 Cosquín's 7th-clearest and 5th-windiest month. For the whole year in context, see Cosquín's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
15°
10th coldest
Rainfall
133 mm
14.9 wet days
Daylight
14 hours
6:13 AM – 8:15 PM
Cloud cover
48%
7th clearest
Wind
9 km/h
5th windiest
Solar energy
7.01 kWh/m²
Travel score
6.1
out of 10

Cosquín is human settlement in Argentina.

Density
716/km²
people per km²
Founded
1876

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 26°C in the first days to 27°C by the end.

A typical December day in Cosquín reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12514
22614
32614
42614
52614
62615
72615
82615
92615
102615
112615
122615
132615
142615
152615
162715
172715
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302716
312716

Cosquín weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°1271413.86.1
Feb26° / 16°11413.113.16.3
Mar24° / 14°11612.712.26.7
Apr21° / 11°729.311.36.8
May18° / 346.410.46.3
Jun16° / 173.5105.8
Jul15° / 153.610.25.7
Aug18° / 203.110.97.1
Sep20° / 40611.87.2
Oct22° / 11°8710.612.86.9
Nov25° / 13°10812.413.66.7
Dec26° / 15°13314.9146.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56436
66436
76436
86436
96436
106436
116535
126535
136535
146535
156535
166436
176535
186436
196337
206337
216337
226337
236337
246238
256238
266238
276139
286139
296139
306040
316040

Chance of precipitation in December

Any precipitation

Cosquín gets around 133 mm of rain over 14.9 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 49% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
247
347
448
548
648
749
849
950
1050
1150
1250
1350
1450
1550
1650
1749
1849
1949
2048
2148
2248
2348
2448
2548
2648
2748
2848
2948
3048
3148

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
150321720
249321720
348321720
448331820
547331820
646331830
746331930
845331930
944332040
1043332040
1142332150
1240332250
1339332260
1438332360
1537332470
1636332470
1735322580
1833322690
19323226100
20313227110
21293128120
22283128130
23263129140
24253029150
25243030160
26242930170
27232930180
28222831180
29222831191
30212731201
31212732201

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:11 AM to 6:21 AM, and sunset from 8:04 PM to 8:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:118:04
213.96:118:05
313.96:118:06
413.96:118:06
513.96:118:07
613.96:118:08
714.06:118:09
814.06:118:09
914.06:128:10
1014.06:128:11
1114.06:128:12
1214.06:128:12
1314.06:128:13
1414.06:138:13
1514.06:138:14
1614.06:138:15
1714.06:148:15
1814.06:148:16
1914.06:158:16
2014.06:158:17
2114.06:158:17
2214.06:168:18
2314.06:168:18
2414.06:178:19
2514.06:178:19
2614.06:188:20
2714.06:188:20
2814.06:198:20
2914.06:208:21
3014.06:208:21
3114.06:218:21

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.01 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 7.01 kWh/m² in December across the year — December's 7.01 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.9Intense
87.0Intense
97.0Intense
107.0Intense
117.0Intense
127.0Intense
137.0Intense
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
306.9Intense
316.9Intense
Planning a trip in December

Hazard calendar for Cosquín

In seasonPeak

In December, Cosquín sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Cosquín's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Cosquín?

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

6.1
Sightseeing
9th-best month of the year
5.9
Beach & pool
2nd-best month of the year

December is a reasonable time to visit Cosquín for sightseeing.

What to pack for Cosquín in December

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

In December, Cosquín sees daytime highs around 26°C and nights near 15°C. Pack rain gear and sun protection. Worth having: light clothes. About 15 days see rain.

rain gearsun protectionlight clothes

UV index in Cosquín 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 Cosquín peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeHighModerateHighVery highExtremeJan 18UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr7High
May5Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Cosquín 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 Cosquín is worst in September — around 20 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (November, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1319 µg/m³Nov 236 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr6Good
May7Good
Jun8Good
Jul8Good
Aug15Moderate
Sep20Moderate
Oct10Good
Nov6Good
Dec6Good
Location & terrain

Where is Cosquín?

Cosquín sits at 31.2°S, 64.5°W, 707 m above sea level, in Argentina. The nearest listed city is Unquillo, 15 km away.

Topography around Cosquín

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

Within 3 km, the terrain around Cosquín has only modest variations in elevation — a maximum elevation change of 244 m around an average of 732 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 894 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,154 m.

The land around Cosquín is covered by trees (35%) and grassland (26%) within 3 km, grassland (46%) and trees (29%) within 16 km, and cropland (35%), grassland (27%) and shrubs (26%) within 80 km.

3 km
244 m
16 km
894 m
80 km
2,154 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Unquillo 15 km · Río Ceballos 16 km · La Calera 16 km · Villa Allende 17 km · La Falda 17 km · Villa Carlos Paz 19 km · Cordoba 32 km · Alta Gracia 45 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 Cosquín (-31.2452°, -64.4657°, elevation 707 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).