Coyhaique weather in December

In December, Coyhaique sees average daytime highs of 14°C and overnight lows near 5°C, with 118 mm of precipitation across 14.6 wet days and about 15.4 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 14°C through the month. The sky is clear or mostly clear about 12% 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 30 min by month's end. Set against the rest of the year, December is Coyhaique's 4th-clearest and 1st-windiest month. For the whole year in context, see Coyhaique's year-round climate.

Daytime high
14°
3rd warmest
Overnight low
10th coldest
Precipitation
118 mm
14.6 wet days
Daylight
15 h 30 min
6:00 AM – 9:29 PM
Cloud cover
73%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
6.67 kWh/m²
Travel score
3.5
out of 10

Coyhaique is capital city of both the Coihaique Province and the Aysén Region of Chile.

Air quality
Very high
PM2.5 40.5 µg/m³ · 2019
Density
3,450/km²
people per km²
Founded
1929

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 14°C through the month.

A typical December day in Coyhaique reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 20°C. Set against its neighbours, December runs about 2°C warmer than November and about 2°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1134
2134
3134
4144
5144
6144
7144
8145
9145
10145
11145
12145
13145
14145
15145
16145
17145
18145
19145
20145
21145
22145
23145
24145
25145
26145
27145
28145
29146
30156
31156

How December really feels in Coyhaique

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.

Coyhaique weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan16° / 9612.40.615.14.4
Feb16° / 74100.513.94.8
Mar14° / 10212.80.812.43.6
Apr10° / 12614.13.910.72.0
May / -1°15116.27.59.30.5
Jun / -3°17317.513.68.60.0
Jul / -4°14716.113.78.90.0
Aug / -3°16116.814.610.10.0
Sep / -1°10014.19.311.70.8
Oct10° / 12515.17.313.31.8
Nov12° / 12514.9414.72.7
Dec14° / 11814.62.115.43.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32377
42476
52575
62674
72674
82674
92674
102575
112674
122674
132575
142575
152476
162278
172278
182278
192179
202179
212080
222080
232080
242080
252179
262179
272278
282278
292476
302476
312476

Chance of precipitation in December

Any precipitationSnow

Coyhaique gets around 118 mm of rain and snow over 14.6 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 47% and peaks near 50% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1479
2478
3467
4467
5467
6456
7456
8456
9456
10456
11456
12456
13467
14467
15477
16477
17488
18488
19498
20498
21498
22508
23508
24507
25507
26507
27496
28496
29496
30496
31485

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

Across December, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 15 h 12 min at the start of December to 15 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over December. Sunrise moves from 6:01 AM to 6:08 AM, and sunset from 9:15 PM to 9:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.26:019:15
215.36:019:16
315.36:009:17
415.36:009:18
515.36:009:19
615.36:009:20
715.46:009:21
815.45:599:22
915.45:599:23
1015.45:599:24
1115.45:599:25
1215.45:599:26
1315.56:009:27
1415.56:009:27
1515.56:009:28
1615.56:009:29
1715.56:009:29
1815.56:019:30
1915.56:019:31
2015.56:019:31
2115.56:029:32
2215.56:029:32
2315.56:039:33
2415.56:039:33
2515.56:049:33
2615.56:049:34
2715.56:059:34
2815.56:069:34
2915.56:069:35
3015.56:079:35
3115.56:089:35

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.67 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 6.67 kWh/m² in December across the year — December's 6.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.6Intense
Planning a trip in December

Is December a good time to visit Coyhaique?

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

3.5
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

December is a weaker month for outdoor sightseeing in Coyhaique.

What to pack for Coyhaique in December

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

In December, Coyhaique sees daytime highs around 14°C and nights near 5°C. Pack rain gear and sun protection. Worth having: a warm layer. About 15 days see rain.

rain gearsun protectiona warm layer

UV index in Coyhaique 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 Coyhaique peaks around January 12 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateLowModerateHighVery highExtremeJan 12UV 11Jun 18UV 1
UV index (midday)Level
Jan11Extreme
Feb10Extreme
Mar6High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Low
Sep4Moderate
Oct7High
Nov8Very high
Dec11Extreme

Air quality in Coyhaique in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Coyhaique is worst in November — around 58 µg/m³ PM2.5 (unhealthy), about 2.2× the cleanest month (July, 26 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Coyhaique's WHO annual average of 40.5 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorUnhealthyPoorNov 1658 µg/m³Jul 1126 µg/m³
PM2.5 (µg/m³)Level
Jan52Poor
Feb44Poor
Mar38Poor
Apr31Moderate
May27Moderate
Jun27Moderate
Jul26Moderate
Aug36Poor
Sep41Poor
Oct52Poor
Nov58Unhealthy
Dec52Poor
Location & terrain

Where is Coyhaique?

Coyhaique sits at 45.6°S, 72.1°W, 299 m above sea level, in Chile. The nearest listed city is Puerto Aysén, 52 km away.

Las HerasQuellónEsquelPico TruncadoComodoro RivadaviaCaleta OliviaCastro

Topography around Coyhaique

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

Within 3 km, the terrain around Coyhaique has large variations in elevation — a maximum elevation change of 785 m around an average of 360 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,518 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,536 m.

The land around Coyhaique is covered by grassland (41%), trees (36%) and artificial surfaces (21%) within 3 km, trees (50%) and grassland (44%) within 16 km, and trees (44%) and grassland (38%) within 80 km.

3 km
785 m
16 km
1,518 m
80 km
2,536 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
December weather nearby: Puerto Aysén 52 km · Las Heras 265 km · Quellón 300 km · Esquel 302 km · Pico Truncado 344 km · Comodoro Rivadavia 356 km · Caleta Olivia 364 km · Castro 371 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 Coyhaique (-45.5752°, -72.0662°, elevation 299 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).