Río Cuarto weather in December

In December, Río Cuarto sees average daytime highs of 29°C and overnight lows near 18°C, with 107 mm of rain across 10.7 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 1st-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 51% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Río Cuarto's 3rd-clearest and 5th-windiest month. For the whole year in context, see Río Cuarto's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
107 mm
10.7 wet days
Daylight
14 h 12 min
6:08 AM – 8:19 PM
Cloud cover
42%
3rd clearest
Wind
12 km/h
5th windiest
Solar energy
7.28 kWh/m²
Travel score
5.7
out of 10

Río Cuarto is city in Cordoba, Argentina.

Density
2,444/km²
people per km²
Founded
1786

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 Río Cuarto reaches about 29°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°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)
12816
22816
32816
42817
52817
62817
72817
82817
92917
102917
112917
122917
132917
142917
152917
162918
172918
182918
192918
202918
212918
223018
233018
243018
253018
263018
273019
283019
293019
303019
313019

Río Cuarto 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
Jan29° / 19°9710.313.95.5
Feb28° / 18°898.613.26.5
Mar26° / 16°889.412.37.0
Apr23° / 13°677.111.27.5
May19° / 344.810.36.9
Jun16° / 142.59.96.1
Jul15° / 112.4105.8
Aug18° / 202.710.87.2
Sep21° / 394.911.87.5
Oct24° / 13°849.412.87.3
Nov27° / 15°8810.313.76.7
Dec29° / 18°10710.714.15.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 19% of December, with mostly cloudy or overcast conditions the remaining 30%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26733
36733
46832
56931
67030
77030
87030
97129
107129
117129
127228
137129
147129
157129
167129
177129
187129
197129
207129
217030
227030
237030
246931
256931
266832
276832
286832
296832
306733
316733

Chance of precipitation in December

Any precipitation

Río Cuarto gets around 107 mm of rain over 10.7 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
537
637
736
836
936
1036
1136
1236
1336
1436
1535
1635
1735
1834
1934
2034
2134
2233
2333
2433
2532
2632
2732
2832
2932
3032
3132

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
148272050
247282050
347282050
446282060
545292060
644292060
743292170
842302170
941302170
1040302280
1139302280
1238312390
1336312391
14353124101
15343124101
16333025111
17323026121
18312926121
19302827131
20292828141
21282728151
22272629171
23262629182
24252529192
25242530202
26242430212
27232330212
28222331222
29212231233
30212231243
31202131243

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
112light 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
1712light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 hours at the start of December to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:06 AM to 6:16 AM, and sunset from 8:08 PM to 8:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:068:08
214.06:068:09
314.16:068:10
414.16:068:11
514.16:068:11
614.16:068:12
714.16:068:13
814.16:068:14
914.16:078:14
1014.16:078:15
1114.16:078:16
1214.26:078:16
1314.26:078:17
1414.26:088:18
1514.26:088:18
1614.26:088:19
1714.26:098:20
1814.26:098:20
1914.26:098:21
2014.26:108:21
2114.26:108:22
2214.26:118:22
2314.26:118:23
2414.26:128:23
2514.26:128:23
2614.26:138:24
2714.26:138:24
2814.26:148:25
2914.26:148:25
3014.26:158:25
3114.26:168:25

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.65 kWh/m² to a high of 7.28 kWh/m² in December across the year — December's 7.28 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.1Intense
27.1Intense
37.1Intense
47.1Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.3Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Hazard calendar for Río Cuarto

In seasonPeak

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

Río Cuarto'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 Río Cuarto?

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

5.7
Sightseeing
11th-best month of the year
7.1
Beach & pool
3rd-best month of the year

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

What to pack for Río Cuarto in December

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

In December, Río Cuarto sees daytime highs around 29°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Río Cuarto 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 Río Cuarto 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 18UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep7High
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Río Cuarto?

Río Cuarto sits at 33.1°S, 64.4°W, 429 m above sea level, in Argentina. The nearest listed city is Embalse, 103 km away.

Topography around Río Cuarto

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

Within 3 km, the terrain around Río Cuarto has only modest variations in elevation — a maximum elevation change of 48 m around an average of 440 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 165 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,788 m.

The land around Río Cuarto is covered by artificial surfaces (75%) within 3 km, cropland (86%) within 16 km, and cropland (84%) within 80 km.

3 km
48 m
16 km
165 m
80 km
1,788 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Embalse 103 km · Río Tercero 108 km · Villa Mercedes 119 km · Villa Nueva 129 km · Villa María 131 km · Laboulaye 142 km · Villa Dolores 153 km · Alta Gracia 165 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 Río Cuarto (-33.1304°, -64.3527°, elevation 429 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).