Río Tercero weather in December

In December, Río Tercero sees average daytime highs of 29°C and overnight lows near 17°C, with 119 mm of rain across 11.5 wet days and about 14.1 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 46% 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 06 min by month's end. Set against the rest of the year, December is Río Tercero's 8th-clearest and 5th-windiest month. For the whole year in context, see Río Tercero's year-round climate.

Daytime high
29°
1st warmest
Overnight low
17°
11th coldest
Rainfall
119 mm
11.5 wet days
Daylight
14 h 06 min
6:10 AM – 8:16 PM
Cloud cover
45%
8th clearest
Wind
11 km/h
5th windiest
Solar energy
7.11 kWh/m²
Travel score
5.5
out of 10

Río Tercero is city in the Córdoba Province.

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Río Tercero reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°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
42816
52816
62817
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172918
182918
192918
202918
212918
222918
232918
242918
253018
263018
273018
283018
293018
302918
312918

Río Tercero weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°11911.713.95.4
Feb27° / 17°10910.713.26.4
Mar26° / 16°981012.27.0
Apr23° / 13°697.411.27.5
May19° / 334.510.47.0
Jun16° / 132.39.96.2
Jul16° / 122.310.16.1
Aug19° / 172.410.87.5
Sep22° / 354.711.87.8
Oct24° / 12°788.712.87.3
Nov27° / 15°9310.813.66.6
Dec29° / 17°11911.514.15.5

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 20% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56733
66733
76733
86733
96733
106733
116634
126634
136733
146733
156733
166733
176634
186634
196634
206634
216634
226634
236535
246535
256535
266535
276436
286436
296337
306337
316337

Chance of precipitation in December

Any precipitation

Río Tercero gets around 119 mm of rain over 11.5 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 38% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
537
637
737
837
937
1037
1137
1237
1337
1437
1537
1638
1738
1838
1938
2038
2138
2238
2338
2438
2538
2638
2737
2837
2938
3038
3138

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
144292160
243292160
343292161
442292171
542292271
641292271
740282381
840282381
939272491
1038272591
11372626101
12362627101
13352627111
14332628121
15322529131
16312529141
17302530151
18282430162
19272430172
20262430192
21252330202
22232329222
23222329233
24212329243
25202228263
26202228274
27192228284
28182227294
29182127295
30172127305
31172027315

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:08 AM to 6:17 AM, and sunset from 8:05 PM to 8:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:088:05
214.06:078:06
314.06:078:06
414.06:078:07
514.06:088:08
614.06:088:09
714.06:088:10
814.06:088:10
914.16:088:11
1014.16:088:12
1114.16:088:12
1214.16:098:13
1314.16:098:14
1414.16:098:14
1514.16:098:15
1614.16:108:16
1714.16:108:16
1814.16:108:17
1914.16:118:17
2014.16:118:18
2114.16:128:18
2214.16:128:19
2314.16:138:19
2414.16:138:20
2514.16:148:20
2614.16:148:20
2714.16:158:21
2814.16:158:21
2914.16:168:21
3014.16:178:22
3114.16:178:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.11 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 7.11 kWh/m² in December across the year — December's 7.11 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
147.1Intense
157.1Intense
167.1Intense
177.1Intense
187.1Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.0Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in December

Hazard calendar for Río Tercero

In seasonPeak

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

Río Tercero'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 Tercero?

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

5.5
Sightseeing
11th-best month of the year
6.9
Beach & pool
1st-best month of the year

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

What to pack for Río Tercero in December

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

In December, Río Tercero sees daytime highs around 29°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Río Tercero 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 Río Tercero peaks around January 19 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 19UV 14Jun 21UV 3
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct10Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Río Tercero?

Río Tercero sits at 32.2°S, 64.1°W, 372 m above sea level, in Argentina. The nearest listed city is Embalse, 27 km away.

Topography around Río Tercero

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

Within 3 km, the terrain around Río Tercero has only modest variations in elevation — a maximum elevation change of 43 m around an average of 381 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 166 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,550 m.

The land around Río Tercero is covered by artificial surfaces (37%), cropland (32%) and grassland (23%) within 3 km, cropland (88%) within 16 km, and cropland (70%) and grassland (20%) within 80 km.

3 km
43 m
16 km
166 m
80 km
2,550 m
treesshrubsgrasslandcroplandartificial surfaceswater
December weather nearby: Embalse 27 km · Pilar 59 km · Río Segundo 62 km · Alta Gracia 66 km · Cordoba 86 km · Villa María 86 km · Villa Nueva 86 km · Villa del Rosario 88 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 Tercero (-32.1767°, -64.1129°, elevation 372 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).