Pico Truncado weather in December

In December, Pico Truncado sees average daytime highs of 23°C and overnight lows near 11°C, with 15 mm of rain across 3.5 wet days and about 15.6 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 24°C by the end. The sky is clear or mostly clear about 32% of the time in December, and the air most often feels dry.

Daylight stretches from about 15 h 24 min at the start of December to 15 h 36 min by month's end. Set against the rest of the year, December is Pico Truncado's 9th-clearest and 1st-windiest month. For the whole year in context, see Pico Truncado's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
15 mm
3.5 wet days
Daylight
15 h 36 min
5:39 AM – 9:17 PM
Cloud cover
52%
9th clearest
Wind
25 km/h
1st windiest
Solar energy
7.84 kWh/m²
Travel score
8.1
out of 10

Pico Truncado is city of the Province of Santa Cruz, Patagonia, Argentina.

Density
2,290/km²
people per km²
Founded
1921

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 24°C by the end.

A typical December day in Pico Truncado reaches about 23°C in the afternoon and slips back to 11°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12210
22310
32311
42311
52311
62311
72311
82311
92311
102311
112311
122311
132311
142311
152311
162311
172411
182411
192412
202412
212412
222412
232412
242412
252412
262412
272412
282412
292412
302412
312412

How December really feels in Pico Truncado

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.

Pico Truncado weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan25° / 13°102.7015.28.2
Feb24° / 12°172.90148.3
Mar21° / 10°163.30.112.47.7
Apr17° / 143.3010.76.3
May12° / 204.30.59.23.6
Jun / 224.61.58.41.6
Jul / 153.81.38.71.5
Aug11° / 184.71.1102.9
Sep14° / 174.20.711.64.7
Oct18° / 153.60.213.46.7
Nov21° / 163.4014.87.5
Dec23° / 11°153.5015.68.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45545
55545
65743
75743
85743
95743
105743
115842
125842
135842
145842
155842
165743
175743
185743
195743
205644
215644
225644
235743
245743
255743
265842
275842
285842
295941
306139
316139

Chance of precipitation in December

Any precipitation

Pico Truncado gets around 15 mm of rain over 3.5 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 11% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
213
313
413
512
612
712
811
911
1011
1110
1210
1310
1410
1510
1610
1710
1810
1910
2010
2110
2211
2311
2411
2511
2610
2710
2810
2910
3010
3110

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 25 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 24 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2625breezy
2725breezy
2825breezy
2925breezy
3025breezy
3125breezy

Sunrise & sunset in December

DaylightNight

Daylight runs from about 15 h 24 min at the start of December to 15 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 5:40 AM to 5:47 AM, and sunset from 9:03 PM to 9:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.45:409:03
215.45:409:04
315.45:399:05
415.55:399:06
515.55:399:08
615.55:399:09
715.55:389:10
815.55:389:11
915.65:389:12
1015.65:389:12
1115.65:389:13
1215.65:389:14
1315.65:389:15
1415.65:389:16
1515.65:399:17
1615.65:399:17
1715.65:399:18
1815.75:399:19
1915.75:409:19
2015.75:409:20
2115.75:409:20
2215.75:419:21
2315.75:419:21
2415.75:429:22
2515.75:429:22
2615.75:439:22
2715.65:449:23
2815.65:449:23
2915.65:459:23
3015.65:469:23
3115.65:479:23

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.84 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 7.84 kWh/m² in December across the year — December's 7.84 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
147.9Intense
157.9Intense
167.9Intense
177.9Intense
187.8Intense
197.8Intense
207.8Intense
217.8Intense
227.8Intense
237.8Intense
247.8Intense
257.8Intense
267.8Intense
277.8Intense
287.9Intense
297.9Intense
307.9Intense
317.9Intense
Planning a trip in December

Is December a good time to visit Pico Truncado?

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

8.1
Sightseeing
3rd-best month of the year
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Pico Truncado in December

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

In December, Pico Truncado sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 4 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Pico Truncado in December

The nearest coast averages about 13°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 48 km away) is warmest in February at about 15°C and coldest in August near 8°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Bracing
Feb15Cool
Mar15Bracing
Apr13Bracing
May11Bracing
Jun10Bracing
Jul9Bracing
Aug8Bracing
Sep8Bracing
Oct9Bracing
Nov11Bracing
Dec13Bracing

UV index in Pico Truncado in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pico Truncado peaks around December 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highDec 24UV 11Jun 20UV 1
UV index (midday)Level
Jan11Extreme
Feb10Very high
Mar6High
Apr3Moderate
May2Low
Jun1Low
Jul1Low
Aug2Low
Sep3Moderate
Oct6High
Nov8Very high
Dec11Extreme
Location & terrain

Where is Pico Truncado?

Pico Truncado sits at 46.8°S, 68.0°W, 285 m above sea level, in Argentina. The nearest listed city is Caleta Olivia, 51 km away.

Puerto DeseadoCoyhaiquePuerto AysénTrelewRawson

Topography around Pico Truncado

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

Within 3 km, the terrain around Pico Truncado has only modest variations in elevation — a maximum elevation change of 27 m around an average of 283 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 175 m; within 80 km, large variations in elevation — a maximum elevation change of 852 m.

The land around Pico Truncado is covered by grassland (58%) within 3 km, grassland (86%) within 16 km, and grassland (59%) within 80 km.

3 km
27 m
16 km
175 m
80 km
852 m
shrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Caleta Olivia 51 km · Las Heras 80 km · Comodoro Rivadavia 110 km · Puerto Deseado 188 km · Coyhaique 344 km · Puerto Aysén 397 km · Trelew 446 km · Rawson 449 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 Pico Truncado (-46.7994°, -67.9578°, elevation 285 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).