Casablanca weather in December

In December, Casablanca sees average daytime highs of 19°C and overnight lows near 13°C, with 3 mm of rain across 0.3 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 19°C through the month. 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 hours at the start of December to 14 h 12 min by month's end. Set against the rest of the year, December is Casablanca's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Casablanca's year-round climate.

Daytime high
19°
4th warmest
Overnight low
13°
9th coldest
Rainfall
3 mm
0.3 wet days
Daylight
14 h 12 min
6:36 AM – 8:48 PM
Cloud cover
20%
3rd clearest
Wind
12 km/h
3rd windiest
Solar energy
8.94 kWh/m²
Travel score
8.3
out of 10

Casablanca is settlement in Chile.

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 19°C through the month.

A typical December day in Casablanca reaches about 19°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 21°C. Set against its neighbours, December runs about 1°C warmer than November and about 1°C cooler than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11812
21912
31912
41912
51912
61912
71912
81912
91912
101912
111912
121912
131912
141913
151913
161913
171913
181913
191913
201913
211913
221913
232013
242013
252013
262013
272013
282013
292013
302013
312013

Casablanca 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
Jan20° / 14°00.1148.6
Feb20° / 14°20.313.28.6
Mar19° / 13°30.712.38.3
Apr17° / 11°172.111.27.1
May16° / 554.510.35.5
Jun14° / 1126.69.84.4
Jul13° / 645.5104.2
Aug14° / 564.910.84.6
Sep15° / 26311.85.3
Oct16° / 10°141.712.86.4
Nov18° / 11°30.813.77.7
Dec19° / 13°30.314.28.3

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 11% of December, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
39010
49010
5919
6919
7928
8928
9928
10928
11928
12928
13928
14928
15937
16937
17937
18937
19937
20937
21937
22937
23937
24937
25937
26937
27937
28937
29937
30946
31946

Chance of precipitation in December

Any precipitation

Casablanca gets around 3 mm of rain over 0.3 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
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 84% 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
7928
8928
9919
109010
118911
128911
138812
148713
158614
168614
178515
188416
198317
208119
218020
227921
237822
247723
257525
267426
277327
287228
297030
306931
316832

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 hours at the start of December to 14 h 12 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 8:37 PM to 8:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:348:37
214.16:348:38
314.16:348:38
414.16:348:39
514.16:348:40
614.16:348:41
714.16:348:41
814.16:348:42
914.16:348:43
1014.26:348:44
1114.26:358:44
1214.26:358:45
1314.26:358:46
1414.26:358:46
1514.26:368:47
1614.26:368:48
1714.26:368:48
1814.26:378:49
1914.26:378:49
2014.26:378:50
2114.26:388:50
2214.26:388:51
2314.26:398:51
2414.26:398:52
2514.26:408:52
2614.26:408:53
2714.26:418:53
2814.26:428:53
2914.26:428:54
3014.26:438:54
3114.26:438:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 8.94 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 8.94 kWh/m² in December across the year — December's 8.94 kWh/m² sits near the top of that range.

0246810151015202531
Solar energy (kWh/m²)Level
18.8Intense
28.8Intense
38.8Intense
48.8Intense
58.8Intense
68.8Intense
78.8Intense
88.9Intense
98.9Intense
108.9Intense
118.9Intense
128.9Intense
138.9Intense
148.9Intense
158.9Intense
168.9Intense
178.9Intense
189.0Intense
199.0Intense
209.0Intense
219.0Intense
229.0Intense
239.0Intense
249.0Intense
259.0Intense
269.0Intense
279.0Intense
289.0Intense
299.0Intense
309.0Intense
319.0Intense
Planning a trip in December

Is December a good time to visit Casablanca?

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

8.3
Sightseeing
3rd-best month of the year
3.6
Beach & pool
4th-best month of the year

December is one of the better times to visit Casablanca for general sightseeing.

What to pack for Casablanca in December

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

In December, Casablanca sees daytime highs around 19°C and nights near 13°C. Pack sun protection.

sun protection

Sea temperature near Casablanca 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 at the nearest coast (about 40 km away) is warmest in February at about 16°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°18°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr14Bracing
May14Bracing
Jun13Bracing
Jul13Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec15Bracing

UV index in Casablanca 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 Casablanca peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateHighVery highExtremeJan 17UV 13Jun 18UV 3
UV index (midday)Level
Jan14Extreme
Feb12Extreme
Mar10Extreme
Apr5High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct9Very high
Nov11Extreme
Dec12Extreme

Air quality in Casablanca 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 Casablanca is worst in July — around 100 µg/m³ PM2.5 (unhealthy), about 3.2× the cleanest month (February, 31 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorJul 1499 µg/m³Feb 1131 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb31Moderate
Mar39Poor
Apr62Unhealthy
May89Unhealthy
Jun93Unhealthy
Jul100Unhealthy
Aug86Unhealthy
Sep70Unhealthy
Oct46Poor
Nov39Poor
Dec37Poor
Location & terrain

Where is Casablanca?

Casablanca sits at 33.3°S, 71.4°W, 268 m above sea level, in Chile. The nearest listed city is Curacaví, 27 km away.

Topography around Casablanca

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

Within 3 km, the terrain around Casablanca has significant variations in elevation — a maximum elevation change of 340 m around an average of 286 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,143 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,194 m.

The land around Casablanca is covered by cropland (36%) and grassland (31%) within 3 km, grassland (34%), shrubs (29%) and trees (23%) within 16 km, and water (26%) and shrubs (23%) within 80 km.

3 km
340 m
16 km
1,143 m
80 km
2,194 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Curacaví 27 km · Placilla 27 km · El Quisco 28 km · Villa Alemana 30 km · Quilpué 30 km · Cartagena 32 km · Vina del Mar 35 km · San Antonio 36 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 Casablanca (-33.3171°, -71.4031°, elevation 268 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).