Benito Juárez weather in December

In December, Benito Juárez sees average daytime highs of 26°C and overnight lows near 13°C, with 82 mm of rain across 8.6 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 53% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Benito Juárez's 2nd-clearest and 1st-windiest month. For the whole year in context, see Benito Juárez's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
82 mm
8.6 wet days
Daylight
14 h 36 min
5:38 AM – 8:13 PM
Cloud cover
42%
2nd clearest
Wind
16 km/h
1st windiest
Solar energy
7.61 kWh/m²
Travel score
7.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical December day in Benito Juárez reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, December runs about 4°C warmer than November and about 1°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12412
22412
32412
42512
52512
62512
72512
82512
92512
102512
112513
122613
132613
142613
152613
162613
172613
182613
192713
202714
212714
222714
232714
242714
252714
262714
272714
282714
292815
302815
312815

How December really feels in Benito Juárez

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Benito Juárez weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 15°889.714.36.8
Feb26° / 14°687.613.57.1
Mar24° / 13°727.712.37.4
Apr20° / 687.711.16.7
May16° / 415.3105.4
Jun13° / 375.19.43.8
Jul12° / 416.19.73.4
Aug14° / 545.610.54.6
Sep16° / 587.311.75.4
Oct19° / 869.3136.2
Nov23° / 10°919.8147.0
Dec26° / 13°828.614.67.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26733
36733
46733
56733
66733
76733
86733
96733
106832
116832
126832
136832
146832
156832
166832
176832
186832
196832
206931
216931
226832
236832
246832
256832
266832
276733
286733
296733
306733
316733

Chance of precipitation in December

Any precipitation

Benito Juárez gets around 82 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 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
229
329
428
528
628
727
827
927
1026
1126
1226
1326
1426
1526
1626
1726
1827
1927
2027
2128
2228
2329
2429
2529
2630
2730
2830
2931
3031
3131

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1731971
2731971
3731971
4722071
5712081
6712081
7712081
8702181
9702181
10702181
11692191
12692191
13692191
146722101
156722101
166622111
176423121
186323122
196223132
206024142
215924152
225625163
235525173
245325184
255325184
265026195
275026195
284826205
294726206
304727216
314627216

Wind in December

Winds average 16 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 24 min at the start of December to 14 h 36 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 5:37 AM to 5:45 AM, and sunset from 8:01 PM to 8:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:378:01
214.45:368:02
314.45:368:03
414.55:368:04
514.55:368:05
614.55:368:06
714.55:368:07
814.55:368:07
914.55:368:08
1014.55:368:09
1114.65:378:10
1214.65:378:10
1314.65:378:11
1414.65:378:12
1514.65:378:12
1614.65:388:13
1714.65:388:14
1814.65:388:14
1914.65:398:15
2014.65:398:15
2114.65:408:16
2214.65:408:16
2314.65:408:17
2414.65:418:17
2514.65:418:18
2614.65:428:18
2714.65:438:18
2814.65:438:19
2914.65:448:19
3014.65:458:19
3114.65:458:20

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.61 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.61 kWh/m² in December across the year — December's 7.61 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.6Intense
307.6Intense
317.6Intense
Planning a trip in December

Is December a good time to visit Benito Juárez?

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

7.2
Sightseeing
2nd-best month of the year
6.9
Beach & pool
3rd-best month of the year

December is one of the better times to visit Benito Juárez for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Benito Juárez in December

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

In December, Benito Juárez sees daytime highs around 26°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

UV index in Benito Juárez 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 Benito Juárez peaks around December 21 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeDec 21UV 12Jun 20UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr6High
May3Moderate
Jun2Moderate
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Benito Juárez?

Benito Juárez sits at 37.7°S, 59.8°W, 219 m above sea level, in Argentina. The nearest listed city is Tandil, 70 km away.

Topography around Benito Juárez

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

Within 3 km, the terrain around Benito Juárez has only modest variations in elevation — a maximum elevation change of 25 m around an average of 211 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 67 m; within 80 km, significant variations in elevation — a maximum elevation change of 433 m.

The land around Benito Juárez is covered by grassland (63%) within 3 km, grassland (65%) and cropland (34%) within 16 km, and cropland (60%) and grassland (39%) within 80 km.

3 km
25 m
16 km
67 m
80 km
433 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Tandil 70 km · Tres Arroyos 89 km · Olavarría 98 km · Azul 100 km · Ayacucho 130 km · Necochea 135 km · Balcarce 138 km · Coronel Pringles 140 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 Benito Juárez (-37.6719°, -59.8065°, elevation 219 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).