Punta Alta weather in December

In December, Punta Alta sees average daytime highs of 24°C and overnight lows near 18°C, with 54 mm of rain across 5.9 wet days and about 14.7 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 61% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of December to 14 h 42 min by month's end. Set against the rest of the year, December is Punta Alta's 3rd-clearest and 1st-windiest month. For the whole year in context, see Punta Alta's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
54 mm
5.9 wet days
Daylight
14 h 42 min
5:43 AM – 8:26 PM
Cloud cover
35%
3rd clearest
Wind
22 km/h
1st windiest
Solar energy
7.86 kWh/m²
Travel score
8.0
out of 10

Punta Alta is city in Buenos Aires Province, Argentina.

Founded
2019

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 23°C in the first days to 25°C by the end.

A typical December day in Punta Alta reaches about 24°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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)
12316
22316
32316
42316
52316
62317
72317
82317
92317
102417
112417
122417
132417
142417
152417
162418
172418
182518
192518
202518
212518
222518
232518
242519
252519
262519
272519
282519
292619
302619
312619

Punta Alta weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°486.514.47.8
Feb25° / 19°616.413.57.9
Mar23° / 17°666.612.37.7
Apr19° / 14°555.9116.8
May15° / 11°385.29.95.2
Jun12° / 294.39.33.7
Jul11° / 345.29.63.1
Aug12° / 354.810.53.9
Sep15° / 435.911.74.9
Oct18° / 12°607.2136.3
Nov21° / 15°586.914.17.3
Dec24° / 18°545.914.78.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% 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 24%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47426
57525
67525
77525
87525
97525
107525
117624
127525
137525
147624
157624
167624
177822
187822
197822
207822
217822
227822
237822
247822
257822
267822
277822
287822
297822
307723
317723

Chance of precipitation in December

Any precipitation

Punta Alta gets around 54 mm of rain over 5.9 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 19% and peaks near 20% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
120
220
320
420
520
619
719
819
919
1019
1119
1219
1318
1418
1518
1618
1718
1818
1918
2019
2119
2219
2319
2419
2519
2619
2719
2819
2919
3019
3119

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16125131
26026131
36026131
46026131
55826142
65826142
75727142
85727142
95628142
105529142
115529142
125430142
135231143
145231143
155132143
164932154
174833154
184733165
194533175
204433186
214332196
224132207
234031217
243931228
253830238
263730258
273629269
283529279
2934282710
3034282810
3133282810

Wind in December

Winds average 22 km/h in December, the windiest month of the year.

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 30 min at the start of December to 14 h 42 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 5:42 AM to 5:51 AM, and sunset from 8:14 PM to 8:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.55:428:14
214.55:428:15
314.65:428:16
414.65:428:17
514.65:428:17
614.65:428:18
714.65:428:19
814.65:428:20
914.65:428:21
1014.75:428:22
1114.75:428:22
1214.75:428:23
1314.75:428:24
1414.75:438:24
1514.75:438:25
1614.75:438:26
1714.75:438:26
1814.75:448:27
1914.75:448:28
2014.75:458:28
2114.75:458:29
2214.75:458:29
2314.75:468:30
2414.75:468:30
2514.75:478:30
2614.75:488:31
2714.75:488:31
2814.75:498:31
2914.75:498:32
3014.75:508:32
3114.75:518:32

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 7.86 kWh/m² in December across the year — December's 7.86 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.7Intense
27.7Intense
37.7Intense
47.7Intense
57.7Intense
67.8Intense
77.8Intense
87.8Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.8Intense
147.8Intense
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
287.9Intense
297.9Intense
307.9Intense
317.9Intense
Planning a trip in December

Is December a good time to visit Punta Alta?

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

8.0
Sightseeing
1st-best month of the year
6.8
Beach & pool
3rd-best month of the year

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

What to pack for Punta Alta in December

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

In December, Punta Alta sees daytime highs around 24°C and nights near 18°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 6 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Punta Alta in December

The nearest coast averages about 21°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 January at about 22°C and coldest in August near 9°C.

It's comfortable for a long swim from Dec 8 to Mar 20 — about 3.4 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar21Refreshing
Apr17Cool
May14Bracing
Jun11Bracing
Jul9Bracing
Aug9Bracing
Sep11Bracing
Oct15Bracing
Nov18Cool
Dec21Refreshing

UV index in Punta Alta 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 Punta Alta peaks around December 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateModerateVery highExtremeDec 19UV 12Jun 21UV 2
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar8Very high
Apr6High
May3Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct7Very high
Nov10Extreme
Dec13Extreme
Location & terrain

Where is Punta Alta?

Punta Alta sits at 38.9°S, 62.1°W, 3 m above sea level, in Argentina. The nearest listed city is Bahía Blanca, 25 km away.

Carmen de PatagonesViedma

Topography around Punta Alta

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

Within 3 km, the terrain around Punta Alta has only modest variations in elevation — a maximum elevation change of 31 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,217 m.

The land around Punta Alta is covered by grassland (39%) and artificial surfaces (31%) within 3 km, water (31%), grassland (24%) and cropland (22%) within 16 km, and cropland (36%), grassland (31%) and water (22%) within 80 km.

3 km
31 m
16 km
81 m
80 km
1,217 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Bahía Blanca 25 km · Coronel Pringles 118 km · Pigüé 145 km · Coronel Suárez 159 km · Tres Arroyos 166 km · Río Colorado 175 km · Carmen de Patagones 227 km · Viedma 229 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 Punta Alta (-38.8805°, -62.075°, elevation 3 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).