Casablanca in Summer

In summer (December, January and February), Casablanca sees average daytime highs around 20°C and overnight lows near 13°C, with 4 mm of rain over about 1 wet days across the season. It is the warmest season of the year and the driest season of the year.

Across summer, daytime highs hold fairly steady around 20°C. The sky is clear or mostly clear about 84% of the time across summer, and the air most often feels dry.

Summer is Casablanca's best season of the year to visit on our travel score. For the whole year in context, see Casablanca's year-round climate.

Avg daytime high
20°C
warmest season of the year
Avg overnight low
13°C
Rainfall
4 mm
1 wet days
Avg wind
11 km/h
Travel score
8.5
best season of the year
Months
Dec · Jan · Feb

Temperature in Casablanca in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 20°C.

A typical summer day in Casablanca reaches about 20°C and drops to 13°C overnight. The warmest of the three months is January, the coolest December.

10°15°20°25°DecJanFeb

Casablanca weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Casablanca gets around 4 mm of rain over 1 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 11 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 hours in early December to 12 h 48 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 8.5 kWh/m².

0246810DecJanFeb
Planning a trip in summer

Is summer a good time to visit Casablanca?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

8.5
Sightseeing
1st-best month of the year
4.2
Beach & pool
1st-best month of the year

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

What to pack for Casablanca in Summer

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

In summer, Casablanca sees daytime highs around 20°C and nights near 13°C. Pack sun protection.

sun protection

Sea temperature near Casablanca in Summer

The nearest coast averages about 16°C across summer — 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 Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 13 (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 Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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
Summer 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.