General Juan Madariaga weather in December

In December, General Juan Madariaga sees average daytime highs of 26°C and overnight lows near 15°C, with 74 mm of rain across 8.6 wet days and about 14.5 hours of daylight. It is the 3rd-warmest and 7th-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 48% 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 30 min by month's end. Set against the rest of the year, December is General Juan Madariaga's 1st-clearest and 2nd-windiest month. For the whole year in context, see General Juan Madariaga's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
74 mm
8.6 wet days
Daylight
14 h 30 min
5:29 AM – 8:01 PM
Cloud cover
47%
1st clearest
Wind
15 km/h
2nd windiest
Solar energy
7.49 kWh/m²
Travel score
7.2
out of 10

General Juan Madariaga is city in Buenos Aires Province, Argentina.

Founded
1907

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 24°C in the first days to 27°C by the end.

A typical December day in General Juan Madariaga reaches about 26°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 31°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52414
62414
72514
82514
92514
102514
112514
122514
132514
142514
152615
162615
172615
182615
192615
202615
212615
222615
232615
242716
252716
262716
272716
282716
292716
302716
312716

General Juan Madariaga weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 16°939.214.36.9
Feb26° / 16°878.513.46.9
Mar24° / 15°768.412.37.3
Apr21° / 11°857.511.16.8
May17° / 506105.9
Jun14° / 565.59.54.4
Jul13° / 555.89.73.9
Aug15° / 626.310.64.8
Sep16° / 66711.75.5
Oct19° / 10°869.7136.2
Nov22° / 12°859.1147.0
Dec26° / 15°748.614.57.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in December, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
66040
76040
86040
96040
106040
116040
126040
136139
146139
156238
166238
176238
186337
196337
206337
216238
226238
236238
246238
256238
266238
276238
286139
296139
306139
316139

Chance of precipitation in December

Any precipitation

General Juan Madariaga gets around 74 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 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1127
1227
1328
1428
1528
1629
1729
1829
1929
2029
2129
2230
2330
2430
2530
2630
2730
2830
2930
3030
3130

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151291820
250291830
349291830
449291830
548291930
648291940
747292040
846292040
946292140
1045292150
1144292150
1243302260
1342302260
1441302370
1539302370
1638302480
1737302490
18353025100
19342926110
20332926120
21312827130
22302827150
23292827160
24282727170
25272628180
26272628190
27262528201
28262529201
29252429211
30252429211
31252429221

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 24 min at the start of December to 14 h 30 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 5:28 AM to 5:36 AM, and sunset from 7:49 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:287:49
214.45:287:50
314.45:277:51
414.45:277:52
514.45:277:52
614.45:277:53
714.45:277:54
814.55:277:55
914.55:277:56
1014.55:287:56
1114.55:287:57
1214.55:287:58
1314.55:287:59
1414.55:287:59
1514.55:298:00
1614.55:298:01
1714.55:298:01
1814.55:308:02
1914.55:308:02
2014.55:308:03
2114.55:318:03
2214.55:318:04
2314.55:328:04
2414.55:328:05
2514.55:338:05
2614.55:338:05
2714.55:348:06
2814.55:358:06
2914.55:358:06
3014.55:368:07
3114.55:368:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 7.49 kWh/m² in December across the year — December's 7.49 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.3Intense
67.3Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in December

Is December a good time to visit General Juan Madariaga?

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
6.6
Beach & pool
2nd-best month of the year

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

What to pack for General Juan Madariaga in December

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

In December, General Juan Madariaga sees daytime highs around 26°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 9 days see rain.

sun protectionlight clothesrain gear

Sea temperature near General Juan Madariaga in December

The nearest coast averages about 19°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 27 km away) is warmest in February at about 21°C and coldest in August near 10°C.

It's comfortable for a long swim from Jan 6 to Mar 22 — about 2.5 months when the water holds above 20°C.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr18Cool
May15Cool
Jun12Bracing
Jul10Bracing
Aug10Bracing
Sep12Bracing
Oct14Bracing
Nov16Cool
Dec19Cool

UV index in General Juan Madariaga 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 General Juan Madariaga peaks around December 23 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 23UV 12Jun 19UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is General Juan Madariaga?

General Juan Madariaga sits at 37.0°S, 57.1°W, 5 m above sea level, in Argentina. The nearest listed city is Pinamar, 27 km away.

Topography around General Juan Madariaga

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

Within 3 km, the terrain around General Juan Madariaga has only modest variations in elevation — a maximum elevation change of 14 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 22 m; within 80 km, only modest variations in elevation — a maximum elevation change of 45 m.

The land around General Juan Madariaga is covered by grassland (56%) within 3 km, grassland (59%) and wetland (20%) within 16 km, and grassland (53%) and water (27%) within 80 km.

3 km
14 m
16 km
22 m
80 km
45 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Pinamar 27 km · Villa Gesell 33 km · Mar de Ajó 50 km · Mar del Tuyú 62 km · Santa Teresita 65 km · Dolores 90 km · Santa Clara del Mar 98 km · Mar del Plata 117 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 General Juan Madariaga (-37.002°, -57.1358°, elevation 5 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).