Puerto Aysén weather in December

In December, Puerto Aysén sees average daytime highs of 13°C and overnight lows near 5°C, with 290 mm of precipitation across 21.4 wet days and about 15.4 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 8% of the time in December, and the air most often feels dry.

Daylight stretches from about 15 h 12 min at the start of December to 15 h 24 min by month's end. Set against the rest of the year, December is Puerto Aysén's 5th-clearest and 1st-windiest month. For the whole year in context, see Puerto Aysén's year-round climate.

Daytime high
13°
4th warmest
Overnight low
9th coldest
Precipitation
290 mm
21.4 wet days
Daylight
15 h 30 min
6:03 AM – 9:31 PM
Cloud cover
81%
5th clearest
Wind
7 km/h
1st windiest
Solar energy
5 kWh/m²
Travel score
2.6
out of 10

Puerto Aysén is place in Aysén, Aysén.

Density
1,985/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical December day in Puerto Aysén reaches about 13°C in the afternoon and slips back to 5°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 19°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1124
2135
3135
4135
5135
6135
7135
8135
9135
10135
11135
12135
13135
14135
15136
16136
17136
18136
19136
20136
21136
22136
23136
24136
25136
26146
27146
28146
29146
30146
31146

How December really feels in Puerto Aysén

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.

Puerto Aysén weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan15° / 24519.70.715.13.4
Feb15° / 18515.30.413.93.8
Mar13° / 244190.912.42.9
Apr10° / 29219.54.410.81.7
May / 33321.38.59.30.5
Jun / -1°36421.716.38.60.0
Jul / -2°33621.517.68.90.0
Aug / -1°36622.918.910.10.0
Sep / 26421.113.711.70.4
Oct / 3022110.713.31.1
Nov11° / 29120.15.414.71.9
Dec13° / 29021.42.315.42.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 86%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21486
31585
41585
51684
61783
71783
81882
91882
101882
111783
121783
131585
141486
151387
161387
171288
181189
191189
201189
211189
221288
231288
241288
251387
261387
271486
281486
291585
301585
311684

Chance of precipitation in December

Any precipitationSnow

Puerto Aysén gets around 290 mm of rain and snow over 21.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 70% and peaks near 74% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
16611
26610
3659
4659
5658
6658
7657
8657
9657
10667
11667
12677
13687
14698
15708
16718
17729
18739
19739
20749
21749
22749
23749
24748
25738
26737
27727
28727
29726
30716
31715

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 7 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 15 h 12 min at the start of December to 15 h 24 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 6:04 AM to 6:11 AM, and sunset from 9:17 PM to 9:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.26:049:17
215.26:049:18
315.36:049:19
415.36:039:20
515.36:039:21
615.36:039:22
715.36:039:23
815.46:039:24
915.46:039:25
1015.46:039:26
1115.46:039:27
1215.46:039:28
1315.46:039:28
1415.46:039:29
1515.46:039:30
1615.56:039:31
1715.56:049:31
1815.56:049:32
1915.56:049:33
2015.56:059:33
2115.56:059:34
2215.56:059:34
2315.56:069:35
2415.56:069:35
2515.56:079:35
2615.56:089:36
2715.56:089:36
2815.56:099:36
2915.46:109:36
3015.46:109:37
3115.46:119:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.89 kWh/m² to a high of 5 kWh/m² in December across the year — December's 5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Is December a good time to visit Puerto Aysén?

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

2.6
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Puerto Aysén.

What to pack for Puerto Aysén in December

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

In December, Puerto Aysén sees daytime highs around 13°C and nights near 5°C. Pack rain gear. Worth having: a warm layer and sun protection. About 21 days see rain.

rain geara warm layersun protection

UV index in Puerto Aysén 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 Puerto Aysén peaks around January 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateVery highExtremeJan 12UV 11Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7Very high
Nov8Very high
Dec11Extreme
Location & terrain

Where is Puerto Aysén?

Puerto Aysén sits at 45.4°S, 72.7°W, 9 m above sea level, in Chile. The nearest listed city is Coyhaique, 52 km away.

QuellónEsquelLas HerasCastroEl BolsónPico TruncadoAncud

Topography around Puerto Aysén

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

Within 3 km, the terrain around Puerto Aysén has large variations in elevation — a maximum elevation change of 892 m around an average of 47 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,610 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,254 m.

The land around Puerto Aysén is covered by trees (48%) and grassland (35%) within 3 km, trees (73%) within 16 km, and trees (61%) within 80 km.

3 km
892 m
16 km
1,610 m
80 km
2,254 m
treesgrasslandartificial surfacesbare terrainsnow and icewater
December weather nearby: Coyhaique 52 km · Quellón 265 km · Esquel 298 km · Las Heras 317 km · Castro 337 km · El Bolsón 394 km · Pico Truncado 397 km · Ancud 403 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to 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 Puerto Aysén (-45.403°, -72.6918°, elevation 9 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).