Las Varillas weather in December

In December, Las Varillas sees average daytime highs of 30°C and overnight lows near 18°C, with 134 mm of rain across 10 wet days and about 14 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 49% 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 h 06 min by month's end. Set against the rest of the year, December is Las Varillas's 7th-clearest and 6th-windiest month. For the whole year in context, see Las Varillas's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
134 mm
10 wet days
Daylight
14 h 06 min
6:05 AM – 8:09 PM
Cloud cover
44%
7th clearest
Wind
11 km/h
6th windiest
Solar energy
7.14 kWh/m²
Travel score
5.4
out of 10

Las Varillas is human settlement in Córdoba Province, Argentina.

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 30°C through the month.

A typical December day in Las Varillas reaches about 30°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 25°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)
12917
22917
32917
42917
52917
62917
72918
82918
92918
102918
112918
122918
133018
143018
153018
163018
173018
183018
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019
313019

Las Varillas 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
Jan30° / 19°1159.413.85.2
Feb29° / 19°1159.713.25.8
Mar27° / 17°1249.312.26.8
Apr24° / 14°897.911.27.4
May20° / 10°425.110.47.1
Jun17° / 243.6106.5
Jul17° / 16310.16.5
Aug20° / 313.710.87.5
Sep22° / 10°424.911.87.8
Oct25° / 14°1019.212.87.3
Nov28° / 16°112913.66.6
Dec30° / 18°13410145.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 17% of December, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26535
36535
46634
56634
66634
76634
86634
96733
106733
116733
126733
136733
146733
156634
166733
176733
186733
196634
206634
216634
226535
236535
246535
256436
266436
276436
286436
296337
306337
316337

Chance of precipitation in December

Any precipitation

Las Varillas gets around 134 mm of rain over 10 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
332
432
532
632
732
832
932
1032
1132
1232
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2333
2433
2533
2632
2732
2832
2932
3032
3132

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 28% of days. Sticky, muggy-or-worse air turns up on roughly 30% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12928261420
22828271520
32827271530
42827271530
52726281530
62726281530
72725291640
82625291640
92624301640
102424301650
112324301750
122224311760
132124311760
142024311860
151924311970
161824311970
171723312080
181623312180
191523302290
2014223024100
2113222925110
2213222826120
2312212727130
2411212628130
2511212529141
2610202429151
2710202430161
289202331161
299192232171
309192232171
319182233181

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 13 h 54 min 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 12 minutes over December. Sunrise moves from 6:03 AM to 6:12 AM, and sunset from 7:59 PM to 8:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.96:037:59
213.96:037:59
314.06:038:00
414.06:038:01
514.06:038:02
614.06:038:02
714.06:038:03
814.06:038:04
914.06:038:05
1014.06:038:05
1114.06:038:06
1214.06:048:07
1314.16:048:07
1414.16:048:08
1514.16:058:09
1614.16:058:09
1714.16:058:10
1814.16:068:10
1914.16:068:11
2014.16:068:11
2114.16:078:12
2214.16:078:12
2314.16:088:13
2414.16:088:13
2514.16:098:14
2614.16:098:14
2714.16:108:14
2814.16:108:15
2914.16:118:15
3014.16:128:15
3114.16:128:16

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.14 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 7.14 kWh/m² in December across the year — December's 7.14 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.1Intense
57.1Intense
67.1Intense
77.1Intense
87.1Intense
97.1Intense
107.1Intense
117.1Intense
127.2Intense
137.2Intense
147.2Intense
157.2Intense
167.2Intense
177.2Intense
187.2Intense
197.1Intense
207.1Intense
217.1Intense
227.1Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.1Intense
287.1Intense
297.1Intense
307.1Intense
317.0Intense
Planning a trip in December

Hazard calendar for Las Varillas

In seasonPeak

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

Las Varillas'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 Las Varillas?

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

5.4
Sightseeing
11th-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Las Varillas in December

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

In December, Las Varillas sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

UV index in Las Varillas 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 Las Varillas 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
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct10Very high
Nov11Extreme
Dec13Extreme
Location & terrain

Where is Las Varillas?

Las Varillas sits at 31.9°S, 62.7°W, 139 m above sea level, in Argentina. The nearest listed city is Arroyito, 59 km away.

Topography around Las Varillas

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

Within 3 km, the terrain around Las Varillas has only modest variations in elevation — a maximum elevation change of 17 m around an average of 134 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, only modest variations in elevation — a maximum elevation change of 177 m.

The land around Las Varillas is covered by cropland (65%) within 3 km, cropland (89%) within 16 km, and cropland (89%) within 80 km.

3 km
17 m
16 km
36 m
80 km
177 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Arroyito 59 km · Villa María 77 km · San Francisco 78 km · Villa Nueva 80 km · San Jorge 81 km · Bell Ville 85 km · Villa del Rosario 85 km · Marcos Juárez 109 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 Las Varillas (-31.8704°, -62.7197°, elevation 139 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).