Concepción weather in December

In December, Concepción sees average daytime highs of 22°C and overnight lows near 11°C, with 16 mm of rain across 2.6 wet days and about 14.5 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 71% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of December to 14 h 30 min by month's end. Set against the rest of the year, December is Concepción's 3rd-clearest and 1st-windiest month. For the whole year in context, see Concepción's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
11°
10th coldest
Rainfall
16 mm
2.6 wet days
Daylight
14 h 30 min
6:33 AM – 9:04 PM
Cloud cover
27%
3rd clearest
Wind
13 km/h
1st windiest
Solar energy
8.63 kWh/m²
Travel score
8.5
out of 10

Concepción is city in Chile.

Air quality
High
PM2.5 25.9 µg/m³ · 2016
Density
5,251/km²
people per km²
Founded
1550

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 21°C in the first days to 23°C by the end.

A typical December day in Concepción reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°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)
12111
22111
32111
42111
52111
62211
72211
82211
92211
102211
112211
122211
132211
142211
152211
162211
172211
182211
192211
202312
212312
222312
232312
242312
252312
262312
272312
282312
292312
302312
312312

Concepción 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 daysDaylight (hours)Travel score
Jan24° / 13°6114.29.3
Feb24° / 12°111.613.49.1
Mar22° / 11°192.912.38.3
Apr18° / 525.311.16.6
May15° / 1351010.14.4
Jun13° / 18613.69.53.2
Jul12° / 14311.99.73.1
Aug13° / 12211.410.63.7
Sep15° / 627.111.84.9
Oct17° / 446.4136.2
Nov20° / 10°213.3147.6
Dec22° / 11°162.614.58.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 10% of December, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27822
37822
47822
57822
67822
77822
87822
97921
107921
117921
127921
138020
148020
158020
168020
178020
188020
198119
208119
218119
228218
238317
248317
258416
268515
278515
288614
298614
308713
318713

Chance of precipitation in December

Any precipitation

Concepción gets around 16 mm of rain over 2.6 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 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
79
89
99
108
118
128
138
148
158
168
178
188
198
208
217
227
237
247
257
266
276
286
296
305
315

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19550
29460
39460
49370
59370
69280
79280
89190
99190
109190
119190
1290100
1390100
1490100
1589110
1689110
1788120
1888120
1987130
2086140
2186140
2285150
2384160
2483170
2582180
2681190
2781190
2880200
2980200
3078211
3178211

Wind in December

Winds average 13 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 h 18 min at the start of December to 14 h 30 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 6:32 AM to 6:41 AM, and sunset from 8:52 PM to 9:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.36:328:52
214.46:328:53
314.46:328:54
414.46:318:55
514.46:318:56
614.46:318:56
714.46:318:57
814.46:328:58
914.56:328:59
1014.56:329:00
1114.56:329:00
1214.56:329:01
1314.56:329:02
1414.56:329:02
1514.56:339:03
1614.56:339:04
1714.56:339:04
1814.56:349:05
1914.56:349:05
2014.56:349:06
2114.56:359:06
2214.56:359:07
2314.56:369:07
2414.56:369:08
2514.56:379:08
2614.56:379:09
2714.56:389:09
2814.56:399:09
2914.56:399:10
3014.56:409:10
3114.56:419:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.63 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 8.63 kWh/m² in December across the year — December's 8.63 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.4Intense
28.4Intense
38.4Intense
48.4Intense
58.5Intense
68.5Intense
78.5Intense
88.5Intense
98.5Intense
108.6Intense
118.6Intense
128.6Intense
138.6Intense
148.6Intense
158.6Intense
168.7Intense
178.7Intense
188.7Intense
198.7Intense
208.7Intense
218.7Intense
228.7Intense
238.7Intense
248.7Intense
258.8Intense
268.8Intense
278.8Intense
288.8Intense
298.8Intense
308.8Intense
318.8Intense
Planning a trip in December

Hazard calendar for Concepción

In seasonPeak

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

Concepción's rainy season runs May–August, 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 Concepción?

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

8.5
Sightseeing
3rd-best month of the year
6.0
Beach & pool
3rd-best month of the year

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

What to pack for Concepción in December

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

In December, Concepción sees daytime highs around 22°C and nights near 11°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Concepción 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 14°C and coldest in August near 12°C.

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

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr13Bracing
May13Bracing
Jun12Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Concepción 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 Concepción peaks around January 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 15 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 13UV 12Jun 15UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5High
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Concepción 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 Concepción is worst in February — around 52 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Concepción's WHO annual average of 25.9 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateFeb 1548 µg/m³Dec 1014 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb52Poor
Mar25Moderate
Apr29Moderate
May43Poor
Jun25Moderate
Jul23Moderate
Aug23Moderate
Sep21Moderate
Oct18Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Concepción?

Concepción sits at 36.8°S, 73.0°W, 36 m above sea level, in Chile. The nearest listed city is San Pedro de la Paz, 5.0 km away.

Topography around Concepción

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

Within 3 km, the terrain around Concepción has only modest variations in elevation — a maximum elevation change of 240 m around an average of 39 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 507 m; within 80 km, large variations in elevation — a maximum elevation change of 958 m.

The land around Concepción is covered by artificial surfaces (47%) and trees (30%) within 3 km, trees (50%) and water (26%) within 16 km, and trees (46%) and water (35%) within 80 km.

3 km
240 m
16 km
507 m
80 km
958 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: San Pedro de la Paz 5.0 km · Hualpén 6.0 km · Penco 11 km · Chiguayante 11 km · Talcahuano 13 km · Hualqui 19 km · Coronel 24 km · Tomé 25 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 Concepción (-36.827°, -73.0498°, elevation 36 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. 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).