Pichilemu weather in December

In December, Pichilemu sees average daytime highs of 23°C and overnight lows near 12°C, with 3 mm of rain across 0.5 wet days and about 14.3 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 82% of the time in December, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of December to 14 h 18 min by month's end. Set against the rest of the year, December is Pichilemu's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Pichilemu's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
12°
9th coldest
Rainfall
3 mm
0.5 wet days
Daylight
14 h 18 min
6:36 AM – 8:53 PM
Cloud cover
19%
3rd clearest
Wind
13 km/h
2nd windiest
Solar energy
8.82 kWh/m²
Travel score
9.2
out of 10

Pichilemu is city in Chile.

Density
1,382/km²
people per km²
Founded
1544

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 22°C in the first days to 24°C by the end.

A typical December day in Pichilemu reaches about 23°C in the afternoon and slips back to 12°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32211
42211
52211
62211
72211
82312
92312
102312
112312
122312
132312
142312
152312
162312
172312
182312
192312
202312
212412
222412
232412
242412
252412
262412
272412
282412
292412
302413
312413

Pichilemu 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° / 13°10.2149.5
Feb24° / 13°20.413.39.4
Mar23° / 12°50.812.39.1
Apr20° / 10°192.311.27.7
May16° / 685.310.25.7
Jun14° / 1338.59.74.2
Jul13° / 877.59.94.1
Aug15° / 726.310.74.7
Sep16° / 363.611.86.0
Oct19° / 212.712.97.3
Nov21° / 11°6113.88.5
Dec23° / 12°30.514.39.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 8% of December, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18713
28713
38713
48713
58812
68911
78911
88911
98812
108812
118911
128911
138911
149010
159010
169010
179010
18919
19919
20919
21919
22937
23937
24937
25937
26937
27946
28946
29946
30946
31946

Chance of precipitation in December

Any precipitation

Pichilemu gets around 3 mm of rain over 0.5 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 2% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
61
71
81
91
101
111
121
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
281
291
301
311

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 (%)
1964
2964
3955
4955
5946
6937
7937
8928
9928
10919
119010
129010
138911
148911
158812
168812
178713
188614
198614
208515
218416
228317
238218
248218
258119
268020
277921
287921
297822
307822
317723

Wind in December

Winds average 13 km/h in December.

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 06 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 12 minutes over December. Sunrise moves from 6:34 AM to 6:43 AM, and sunset from 8:42 PM to 8:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.16:348:42
214.16:348:43
314.26:348:43
414.26:348:44
514.26:348:45
614.26:348:46
714.26:348:47
814.26:348:47
914.26:348:48
1014.26:348:49
1114.36:348:50
1214.36:348:50
1314.36:358:51
1414.36:358:52
1514.36:358:52
1614.36:368:53
1714.36:368:53
1814.36:368:54
1914.36:378:54
2014.36:378:55
2114.36:378:56
2214.36:388:56
2314.36:388:56
2414.36:398:57
2514.36:398:57
2614.36:408:58
2714.36:418:58
2814.36:418:58
2914.36:428:59
3014.36:428:59
3114.36:438:59

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.82 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 8.82 kWh/m² in December across the year — December's 8.82 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
18.6Intense
28.6Intense
38.6Intense
48.7Intense
58.7Intense
68.7Intense
78.7Intense
88.7Intense
98.7Intense
108.7Intense
118.7Intense
128.8Intense
138.8Intense
148.8Intense
158.8Intense
168.8Intense
178.8Intense
188.8Intense
198.9Intense
208.9Intense
218.9Intense
228.9Intense
238.9Intense
248.9Intense
258.9Intense
268.9Intense
278.9Intense
288.9Intense
299.0Intense
309.0Intense
318.9Intense
Planning a trip in December

Is December a good time to visit Pichilemu?

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

9.2
Sightseeing
3rd-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Pichilemu in December

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

In December, Pichilemu sees daytime highs around 23°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Pichilemu in December

The nearest coast averages about 15°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 February at about 16°C and coldest in August near 13°C.

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

12°14°16°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr15Bracing
May14Bracing
Jun14Bracing
Jul13Bracing
Aug13Bracing
Sep13Bracing
Oct13Bracing
Nov14Bracing
Dec15Cool

UV index in Pichilemu 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 Pichilemu peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 3 (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 16UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Pichilemu 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 Pichilemu is worst in January — around 25 µg/m³ PM2.5 (moderate), about 5.7× the cleanest month (March, 4 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJan 1723 µg/m³Nov 95 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb12Good
Mar4Good
Apr7Good
May10Good
Jun10Good
Jul6Good
Aug6Good
Sep7Good
Oct5Good
Nov5Good
Dec8Good
Location & terrain

Where is Pichilemu?

Pichilemu sits at 34.4°S, 72.0°W, 0 m above sea level, in Chile. The nearest listed city is Santa Cruz, 65 km away.

Topography around Pichilemu

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

Within 3 km, the terrain around Pichilemu has only modest variations in elevation — a maximum elevation change of 131 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 609 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,305 m.

The land around Pichilemu is covered by water (43%) and trees (23%) within 3 km, water (49%) and trees (35%) within 16 km, and water (33%), grassland (26%) and trees (25%) within 80 km.

3 km
131 m
16 km
609 m
80 km
1,305 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Santa Cruz 65 km · San Vicente 84 km · San Vicente de Tagua Tagua 85 km · Sagrada Familia 89 km · San Antonio 95 km · Chimbarongo 95 km · Curicó 96 km · Cartagena 99 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 Pichilemu (-34.3833°, -72°, elevation 0 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).