Chimbarongo weather in December

In December, Chimbarongo sees average daytime highs of 26°C and overnight lows near 13°C, with 16 mm of rain across 2.3 wet days and about 14.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 77% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is Chimbarongo's 4th-clearest and 1st-windiest month. For the whole year in context, see Chimbarongo's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
16 mm
2.3 wet days
Daylight
14 h 18 min
6:31 AM – 8:50 PM
Cloud cover
22%
4th clearest
Wind
7 km/h
1st windiest
Solar energy
8.79 kWh/m²
Travel score
8.6
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical December day in Chimbarongo reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°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)
12511
22511
32511
42511
52512
62512
72512
82512
92512
102612
112612
122612
132612
142613
152613
162613
172613
182613
192613
202613
212713
222713
232713
242714
252714
262714
272714
282714
292714
302714
312714

Chimbarongo weather by month

How December compares with the rest of the year at a glance. December is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 15°61.214.18.6
Feb27° / 14°71.313.38.6
Mar25° / 12°151.812.38.9
Apr21° / 514.211.27.6
May17° / 1247.710.25.7
Jun14° / 20510.99.74.0
Jul14° / 14010.29.94.0
Aug15° / 1229.310.74.7
Sep17° / 82911.85.8
Oct20° / 577.212.96.9
Nov23° / 10°254.613.88.2
Dec26° / 13°162.314.38.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% 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 12%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18317
28416
38515
48515
58515
68614
78713
88713
98713
108812
118812
128812
138812
148911
158911
169010
179010
189010
198911
208911
218911
229010
239010
249010
259010
269010
27919
28919
29919
30919
31919

Chance of precipitation in December

Any precipitation

Chimbarongo gets around 16 mm of rain over 2.3 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 7% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
510
610
79
89
98
108
117
127
137
146
156
166
176
186
196
206
216
226
236
246
256
266
276
286
296
306
316

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19190
290100
389110
488120
587130
686140
785150
884160
983170
1083170
1182180
1281190
1380191
1480191
1580191
1680191
1780191
1880191
1979201
2079201
2177212
2277212
2376222
2475232
2574242
2673252
2772262
2871272
2970282
3069292
3169292

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 14 h 12 min at the start of December to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:29 AM to 6:38 AM, and sunset from 8:39 PM to 8:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.26:298:39
214.26:298:40
314.26:298:40
414.26:298:41
514.26:298:42
614.26:298:43
714.26:298:44
814.36:298:44
914.36:298:45
1014.36:298:46
1114.36:308:47
1214.36:308:47
1314.36:308:48
1414.36:308:49
1514.36:318:49
1614.36:318:50
1714.36:318:50
1814.36:328:51
1914.36:328:52
2014.36:328:52
2114.36:338:53
2214.36:338:53
2314.36:348:54
2414.36:348:54
2514.36:358:54
2614.36:358:55
2714.36:368:55
2814.36:368:55
2914.36:378:56
3014.36:388:56
3114.36:388:56

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.79 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 8.79 kWh/m² in December across the year — December's 8.79 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.5Intense
28.5Intense
38.5Intense
48.6Intense
58.6Intense
68.6Intense
78.6Intense
88.6Intense
98.7Intense
108.7Intense
118.7Intense
128.7Intense
138.8Intense
148.8Intense
158.8Intense
168.8Intense
178.8Intense
188.8Intense
198.8Intense
208.9Intense
218.9Intense
228.9Intense
238.9Intense
248.9Intense
258.9Intense
268.9Intense
279.0Intense
289.0Intense
299.0Intense
309.0Intense
319.0Intense
Planning a trip in December

Hazard calendar for Chimbarongo

In seasonPeak

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

Chimbarongo'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 Chimbarongo?

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

8.6
Sightseeing
2nd-best month of the year
8.2
Beach & pool
3rd-best month of the year

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

What to pack for Chimbarongo in December

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

In December, Chimbarongo sees daytime highs around 26°C and nights near 13°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Chimbarongo 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 Chimbarongo peaks around January 16 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 16UV 13Jun 15UV 2
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May3Moderate
Jun2Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Chimbarongo 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 Chimbarongo is worst in May — around 41 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (November, 19 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2040 µg/m³Nov 2319 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb22Moderate
Mar22Moderate
Apr29Moderate
May41Poor
Jun37Poor
Jul37Poor
Aug35Moderate
Sep32Moderate
Oct24Moderate
Nov19Moderate
Dec19Moderate
Location & terrain

Where is Chimbarongo?

Chimbarongo sits at 34.7°S, 71.0°W, 309 m above sea level, in Chile. The nearest listed city is Santa Cruz, 31 km away.

Topography around Chimbarongo

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

Within 3 km, the terrain around Chimbarongo has only modest variations in elevation — a maximum elevation change of 240 m around an average of 308 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,050 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,889 m.

The land around Chimbarongo is covered by cropland (52%) within 3 km, cropland (33%) and trees (30%) within 16 km, and trees (29%) and grassland (26%) within 80 km.

3 km
240 m
16 km
1,050 m
80 km
4,889 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainsnow and icewater
December weather nearby: Santa Cruz 31 km · San Vicente de Tagua Tagua 31 km · San Vicente 31 km · Curicó 35 km · Rengo 38 km · Sagrada Familia 45 km · Molina 50 km · Rancagua 67 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 Chimbarongo (-34.7125°, -71.0434°, elevation 309 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).