Pinamar weather in December

In December, Pinamar sees average daytime highs of 21°C and overnight lows near 17°C, with 63 mm of rain across 7.5 wet days and about 14.5 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 50% of the time in December, and the air most often feels humid.

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 Pinamar's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Pinamar's year-round climate.

Daytime high
21°
4th warmest
Overnight low
17°
9th coldest
Rainfall
63 mm
7.5 wet days
Daylight
14 h 30 min
5:27 AM – 8:00 PM
Cloud cover
45%
2nd clearest
Wind
22 km/h
2nd windiest
Solar energy
7.65 kWh/m²
Travel score
7.1
out of 10

Pinamar is city in Buenos Aires province, Argentina.

Founded
1943

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 20°C in the first days to 22°C by the end.

A typical December day in Pinamar reaches about 21°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12016
22016
32016
42016
52016
62016
72016
82016
92016
102116
112116
122117
132117
142117
152117
162117
172117
182117
192117
202217
212218
222218
232218
242218
252218
262218
272218
282218
292218
302218
312218

Pinamar weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 19°787.614.37.4
Feb23° / 19°817.613.47.3
Mar21° / 18°718.212.37.0
Apr19° / 15°917.811.16.4
May15° / 12°597.3105.1
Jun13° / 737.39.53.7
Jul11° / 667.39.73.0
Aug12° / 737.210.63.4
Sep13° / 10°707.411.73.9
Oct16° / 12°889.1135.0
Nov18° / 14°788.1146.4
Dec21° / 17°637.514.57.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26337
36337
46337
56337
66238
76238
86238
96238
106238
116337
126337
136337
146337
156337
166436
176436
186535
196535
206436
216535
226535
236535
246535
256535
266535
276535
286634
296634
306634
316634

Chance of precipitation in December

Any precipitation

Pinamar gets around 63 mm of rain over 7.5 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
323
423
523
623
723
823
923
1023
1123
1223
1324
1424
1524
1624
1725
1825
1925
2025
2125
2226
2326
2426
2526
2626
2726
2826
2926
3026
3126

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
142302440
241302450
340302550
440302550
539302650
638302760
737302760
835302860
934302960
1033313070
1132313070
1231313170
1330313180
1429313280
1528303290
16273033100
17262933110
18252834130
19242734141
20232635161
21232535171
22222435191
23212335201
24212235221
25202135231
26192135241
27192035251
28182035261
29171935271
30171934281
31161934291

Wind in December

Winds average 22 km/h in December.

Across December, daily wind ranges from about 22 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

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 5:26 AM to 5:35 AM, and sunset from 7:48 PM to 8:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:267:48
214.45:267:49
314.45:267:50
414.45:267:51
514.45:267:52
614.45:267:52
714.55:267:53
814.55:267:54
914.55:267:55
1014.55:267:56
1114.55:267:56
1214.55:277:57
1314.55:277:58
1414.55:277:58
1514.55:277:59
1614.55:278:00
1714.55:288:00
1814.55:288:01
1914.55:298:02
2014.65:298:02
2114.65:298:03
2214.65:308:03
2314.65:308:03
2414.65:318:04
2514.55:318:04
2614.55:328:05
2714.55:338:05
2814.55:338:05
2914.55:348:06
3014.55:348:06
3114.55:358:06

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.65 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.05 kWh/m² to a high of 7.65 kWh/m² in December across the year — December's 7.65 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.6Intense
97.6Intense
107.6Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.7Intense
177.7Intense
187.7Intense
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 Pinamar?

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

7.1
Sightseeing
3rd-best month of the year
4.4
Beach & pool
4th-best month of the year

December is one of the better times to visit Pinamar for general sightseeing.

What to pack for Pinamar in December

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

In December, Pinamar sees daytime highs around 21°C and nights near 17°C. Pack sun protection. Worth having: a windbreaker. About 8 days see rain.

sun protectiona windbreaker

Sea temperature near Pinamar 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 offshore 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 Pinamar 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 Pinamar peaks around January 1 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 highExtremeJan 1UV 12Jun 19UV 2
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar9Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec12Extreme
Location & terrain

Where is Pinamar?

Pinamar sits at 37.1°S, 56.9°W, 16 m above sea level, in Argentina. The nearest listed city is Villa Gesell, 19 km away.

Topography around Pinamar

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

Within 3 km, the terrain around Pinamar has only modest variations in elevation — a maximum elevation change of 31 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 33 m.

The land around Pinamar is covered by trees (35%) and water (27%) within 3 km, water (48%) and grassland (25%) within 16 km, and grassland (44%) and water (35%) within 80 km.

3 km
31 m
16 km
37 m
80 km
33 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Villa Gesell 19 km · General Juan Madariaga 27 km · Mar de Ajó 46 km · Mar del Tuyú 62 km · Santa Teresita 65 km · Santa Clara del Mar 98 km · Dolores 114 km · Mar del Plata 116 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 Pinamar (-37.1111°, -56.8652°, elevation 16 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).