Caucete weather in December

In December, Caucete sees average daytime highs of 32°C and overnight lows near 19°C, with 53 mm of rain across 8.6 wet days and about 14 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 33°C by the end. The sky is clear or mostly clear about 66% 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 Caucete's 6th-clearest and 3rd-windiest month. For the whole year in context, see Caucete's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
19°
10th coldest
Rainfall
53 mm
8.6 wet days
Daylight
14 h 06 min
6:28 AM – 8:31 PM
Cloud cover
34%
6th clearest
Wind
9 km/h
3rd windiest
Solar energy
7.88 kWh/m²
Travel score
4.3
out of 10

Caucete is city and capital of the Caucete departament, province of San Juan, Argentina.

Density
4/km²
people per km²

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 31°C in the first days to 33°C by the end.

A typical December day in Caucete reaches about 32°C in the afternoon and slips back to 19°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 37°C. Set against its neighbours, December runs about 2°C warmer than November and on par with January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13117
23117
33117
43118
53118
63118
73118
83218
93218
103218
113218
123218
133218
143219
153219
163219
173319
183319
193319
203319
213319
223319
233320
243320
253320
263320
273320
283320
293320
303320
313320

How December really feels in Caucete

Once humidity and wind are folded in, December averages 19 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Caucete 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
Jan33° / 20°6911.513.83.7
Feb31° / 19°558.613.24.7
Mar29° / 17°467.512.26.5
Apr24° / 12°244.111.28.3
May20° / 13310.47.6
Jun17° / 61.4106.8
Jul16° / 7210.16.5
Aug19° / 92.110.87.9
Sep23° / 162.911.88.5
Oct27° / 13°233.812.88.0
Nov30° / 16°346.213.65.8
Dec32° / 19°538.6144.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 16%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28317
38317
48218
58218
68218
78317
88317
98317
108317
118317
128317
138416
148416
158416
168515
178614
188614
198614
208713
218713
228713
238713
248713
258614
268614
278515
288515
298515
308416
318416

Chance of precipitation in December

Any precipitation

Caucete gets around 53 mm of rain over 8.6 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 28% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
228
328
428
529
629
729
828
928
1028
1127
1227
1327
1426
1526
1626
1725
1825
1925
2025
2126
2226
2327
2427
2528
2629
2730
2831
2932
3033
3134

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1772030
2752140
3742240
4742240
5722350
6712450
7702460
8702460
9682570
10682570
11672580
12662680
13652690
14652690
15662590
166525100
176525100
186425110
196325111
206225121
216125131
226125131
235926141
245826151
255627161
265527171
275327182
285128192
295028202
304829212
314630222

Wind in December

Winds average 9 km/h in December.

Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 6:25 AM to 6:35 AM, and sunset from 8:20 PM to 8:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:258:20
213.96:258:21
313.96:258:22
414.06:258:23
514.06:258:23
614.06:268:24
714.06:268:25
814.06:268:26
914.06:268:26
1014.06:268:27
1114.06:268:28
1214.06:278:28
1314.06:278:29
1414.06:278:30
1514.06:278:30
1614.16:288:31
1714.16:288:31
1814.16:288:32
1914.16:298:33
2014.16:298:33
2114.16:308:34
2214.16:308:34
2314.16:318:35
2414.16:318:35
2514.16:328:35
2614.16:328:36
2714.16:338:36
2814.16:338:37
2914.06:348:37
3014.06:348:37
3114.06:358:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.88 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.09 kWh/m² to a high of 7.88 kWh/m² in December across the year — December's 7.88 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.8Intense
67.8Intense
77.8Intense
87.8Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.9Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
197.9Intense
207.9Intense
217.9Intense
227.9Intense
237.9Intense
247.9Intense
257.9Intense
267.9Intense
277.9Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in December

Is December a good time to visit Caucete?

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

4.3
Sightseeing
11th-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Caucete in December

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

In December, Caucete sees daytime highs around 32°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

UV index in Caucete 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 Caucete 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
Mar11Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep7High
Oct11Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Caucete?

Caucete sits at 31.7°S, 68.3°W, 592 m above sea level, in Argentina. The nearest listed city is Santa Lucía, 24 km away.

Topography around Caucete

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

Within 3 km, the terrain around Caucete has only modest variations in elevation — a maximum elevation change of 9 m around an average of 574 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 827 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,665 m.

The land around Caucete is covered by cropland (40%) and shrubs (23%) within 3 km, shrubs (51%) and cropland (24%) within 16 km, and shrubs (51%) and bare terrain (31%) within 80 km.

3 km
9 m
16 km
827 m
80 km
3,665 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Santa Lucía 24 km · Rawson 26 km · San Juan 26 km · Pocito 29 km · Chimbas 30 km · Villa Paula de Sarmiento 30 km · Villa General San Martín 33 km · Albardón 33 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 Caucete (-31.6515°, -68.2822°, elevation 592 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).