Calbuco weather in December

In December, Calbuco sees average daytime highs of 16°C and overnight lows near 11°C, with 102 mm of rain across 12.3 wet days and about 15 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 23% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of December to 15 hours by month's end. Set against the rest of the year, December is Calbuco's 4th-clearest and 7th-windiest month. For the whole year in context, see Calbuco's year-round climate.

Daytime high
16°
4th warmest
Overnight low
11°
9th coldest
Rainfall
102 mm
12.3 wet days
Daylight
15 hours
6:18 AM – 9:19 PM
Cloud cover
63%
4th clearest
Wind
15 km/h
7th windiest
Solar energy
6.84 kWh/m²
Travel score
4.6
out of 10

Calbuco is city in southern Chile.

Density
5,448/km²
people per km²
Founded
1603

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 16°C through the month.

A typical December day in Calbuco reaches about 16°C in the afternoon and slips back to 11°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 18°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
11511
21511
31511
41511
51511
61511
71511
81511
91511
101511
111511
121511
131611
141611
151611
161611
171611
181611
191611
201611
211612
221612
231612
241612
251612
261612
271612
281612
291612
301612
311612

Calbuco weather by month

How December compares with the rest of the year at a glance. December is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 12°779.714.75.5
Feb17° / 12°738.213.75.7
Mar16° / 11°10711.712.34.7
Apr14° / 10°15314.910.93.5
May12° / 23218.29.72.6
Jun11° / 27620.491.8
Jul10° / 24619.79.31.7
Aug11° / 25420.410.31.9
Sep11° / 16116.711.72.4
Oct13° / 14916.113.12.9
Nov14° / 10°11813.514.43.7
Dec16° / 11°10212.3154.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34159
44258
54258
64258
74357
84357
94258
104258
114258
124258
134258
144159
154159
164159
173961
183961
193961
204060
214060
224060
234159
244159
254159
264357
274357
284357
294357
304456
314555

Chance of precipitation in December

Any precipitation

Calbuco gets around 102 mm of rain over 12.3 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 40% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
340
440
540
639
739
839
939
1039
1139
1239
1339
1440
1540
1640
1741
1841
1941
2041
2141
2241
2340
2440
2540
2639
2739
2838
2938
3037
3137

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14973
15973
16973
17973
18964
19964
20955
21955
22946
23937
24937
25937
26928
27928
28919
29919
30919
31919

Wind in December

Winds average 15 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 48 min at the start of December to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over December. Sunrise moves from 6:18 AM to 6:26 AM, and sunset from 9:07 PM to 9:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.86:189:07
214.86:189:08
314.96:189:09
414.96:179:10
514.96:179:10
614.96:179:11
714.96:179:12
814.96:179:13
914.96:179:14
1015.06:179:15
1115.06:179:16
1215.06:179:16
1315.06:179:17
1415.06:189:18
1515.06:189:19
1615.06:189:19
1715.06:189:20
1815.06:199:21
1915.06:199:21
2015.06:199:22
2115.06:209:22
2215.06:209:23
2315.06:219:23
2415.06:219:24
2515.06:229:24
2615.06:229:24
2715.06:239:25
2815.06:249:25
2915.06:249:25
3015.06:259:25
3115.06:269:26

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 6.84 kWh/m².

For context, solar energy here swings from a low near 1.29 kWh/m² to a high of 6.94 kWh/m² in January across the year — December's 6.84 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
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.9Intense
256.9Intense
266.9Intense
276.9Intense
286.9Intense
297.0Intense
307.0Intense
317.0Intense
Planning a trip in December

Hazard calendar for Calbuco

In seasonPeak

None of Calbuco's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Calbuco's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Calbuco?

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

4.6
Sightseeing
4th-best month of the year
Beach & pool
never really warm enough

December is a reasonable time to visit Calbuco for sightseeing.

What to pack for Calbuco in December

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

In December, Calbuco sees daytime highs around 16°C and nights near 11°C. Pack sun protection. Worth having: a warm layer and rain gear. About 12 days see rain.

sun protectiona warm layerrain gear

Sea temperature near Calbuco in December

The nearest coast averages about 14°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 15°C and coldest in August near 10°C.

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

8°10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan15Cool
Feb15Bracing
Mar14Bracing
Apr12Bracing
May12Bracing
Jun11Bracing
Jul11Bracing
Aug10Bracing
Sep11Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Calbuco 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 Calbuco peaks around December 22 at about 12 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateLowModerateHighVery highExtremeDec 22UV 12Jun 19UV 1
UV index (midday)Level
Jan11Extreme
Feb11Extreme
Mar7High
Apr4Moderate
May2Moderate
Jun1Low
Jul2Low
Aug2Moderate
Sep4Moderate
Oct7High
Nov8Very high
Dec12Extreme
Location & terrain

Where is Calbuco?

Calbuco sits at 41.8°S, 73.1°W, 38 m above sea level, in Chile. The nearest listed city is Puerto Montt, 37 km away.

Topography around Calbuco

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

Within 3 km, the terrain around Calbuco has only modest variations in elevation — a maximum elevation change of 71 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 172 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,308 m.

The land around Calbuco is covered by water (66%) within 3 km, water (55%) and trees (28%) within 16 km, and trees (41%) and water (41%) within 80 km.

3 km
71 m
16 km
172 m
80 km
2,308 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewater
December weather nearby: Puerto Montt 37 km · Maullín 43 km · Puerto Varas 52 km · Ancud 58 km · Llanquihue 58 km · Frutillar 73 km · Castro 94 km · Purranque 96 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 Calbuco (-41.7734°, -73.1305°, elevation 38 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).