Mulchén weather in December

In December, Mulchén sees average daytime highs of 23°C and overnight lows near 10°C, with 39 mm of rain across 4.4 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 60% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of December to 14 h 36 min by month's end. Set against the rest of the year, December is Mulchén's 4th-clearest and 2nd-windiest month. For the whole year in context, see Mulchén's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
10°
10th coldest
Rainfall
39 mm
4.4 wet days
Daylight
14 h 36 min
6:27 AM – 9:03 PM
Cloud cover
34%
4th clearest
Wind
15 km/h
2nd windiest
Solar energy
8.08 kWh/m²
Travel score
8.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical December day in Mulchén reaches about 23°C in the afternoon and slips back to 10°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, December runs about 3°C warmer than November and about 2°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1229
2229
32210
42210
52210
62210
72210
82210
92210
102210
112210
122310
132310
142310
152310
162310
172310
182310
192310
202310
212310
222310
232411
242411
252411
262411
272411
282411
292411
302411
312411

Mulchén 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
Jan25° / 12°192.414.38.7
Feb25° / 12°282.713.58.7
Mar22° / 10°394.312.38.1
Apr18° / 967.611.16.2
May14° / 19411.5104.0
Jun12° / 28315.99.42.5
Jul11° / 21714.79.72.6
Aug13° / 19013.710.53.2
Sep15° / 1081011.74.5
Oct17° / 848.8135.9
Nov20° / 485.8147.2
Dec23° / 10°394.414.68.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 15% of December, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57228
67228
77228
87228
97327
107327
117327
127426
137426
147525
157525
167624
177624
187624
197624
207723
217723
227822
237822
247921
257921
268020
278020
288119
298119
308119
318218

Chance of precipitation in December

Any precipitation

Mulchén gets around 39 mm of rain over 4.4 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 13% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
217
317
417
516
616
716
816
915
1015
1114
1214
1314
1413
1513
1613
1713
1813
1913
2013
2112
2212
2312
2412
2511
2611
2711
2811
2911
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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19271
29271
39181
49181
59091
69091
79091
889101
989101
1090100
1190100
1290100
1390100
1490100
1590100
1690100
1790100
1890100
1990100
2089110
2188111
2287121
2387121
2486131
2585141
2685141
2784151
2883161
2983161
3082171
3182171

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 24 min at the start of December to 14 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 6:26 AM to 6:35 AM, and sunset from 8:51 PM to 9:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.46:268:51
214.46:268:52
314.56:268:53
414.56:268:54
514.56:268:55
614.56:268:56
714.56:268:56
814.56:268:57
914.56:268:58
1014.56:268:59
1114.66:269:00
1214.66:269:00
1314.66:269:01
1414.66:279:02
1514.66:279:02
1614.66:279:03
1714.66:289:04
1814.66:289:04
1914.66:289:05
2014.66:299:05
2114.66:299:06
2214.66:309:06
2314.66:309:07
2414.66:319:07
2514.66:319:08
2614.66:329:08
2714.66:329:08
2814.66:339:09
2914.66:339:09
3014.66:349:09
3114.66:359:09

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.08 kWh/m².

For context, solar energy here swings from a low near 1.61 kWh/m² to a high of 8.23 kWh/m² in January across the year — December's 8.08 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.8Intense
27.8Intense
37.8Intense
47.8Intense
57.9Intense
67.9Intense
77.9Intense
87.9Intense
98.0Intense
108.0Intense
118.0Intense
128.0Intense
138.0Intense
148.1Intense
158.1Intense
168.1Intense
178.1Intense
188.1Intense
198.2Intense
208.2Intense
218.2Intense
228.2Intense
238.2Intense
248.2Intense
258.2Intense
268.3Intense
278.3Intense
288.3Intense
298.3Intense
308.3Intense
318.3Intense
Planning a trip in December

Hazard calendar for Mulchén

In seasonPeak

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

Mulchén'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 Mulchén?

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

8.2
Sightseeing
3rd-best month of the year
6.2
Beach & pool
3rd-best month of the year

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

What to pack for Mulchén in December

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

In December, Mulchén sees daytime highs around 23°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

UV index in Mulchén 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 Mulchén peaks around January 11 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 11UV 12Jun 15UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar8Very high
Apr5Moderate
May2Moderate
Jun2Low
Jul2Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Mulchén 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 Mulchén is worst in April — around 25 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 2125 µg/m³Dec 188 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb25Moderate
Mar20Moderate
Apr25Moderate
May24Moderate
Jun10Good
Jul10Good
Aug11Good
Sep12Good
Oct12Good
Nov9Good
Dec8Good
Location & terrain

Where is Mulchén?

Mulchén sits at 37.7°S, 72.2°W, 139 m above sea level, in Chile. The nearest listed city is Los Ángeles, 29 km away.

Topography around Mulchén

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

Within 3 km, the terrain around Mulchén has only modest variations in elevation — a maximum elevation change of 134 m around an average of 157 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 335 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,442 m.

The land around Mulchén is covered by trees (48%) and cropland (21%) within 3 km, trees (60%) and cropland (23%) within 16 km, and trees (65%) within 80 km.

3 km
134 m
16 km
335 m
80 km
3,442 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Los Ángeles 29 km · Collipulli 31 km · Villa Mercedes 42 km · Angol 43 km · Nacimiento 45 km · Victoria 58 km · Traiguén 70 km · Cabrero 78 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 Mulchén (-37.7189°, -72.241°, elevation 139 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).