Retreat in Winter

In winter (June, July and August), Retreat sees average daytime highs around 16°C and overnight lows near 12°C, with 294 mm of rain over about 31 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across winter, daytime highs hold fairly steady around 16°C. The sky is clear or mostly clear about 45% of the time across winter, and the air most often feels dry.

Winter is Retreat's weakest season of the year to visit on our travel score. For the whole year in context, see Retreat's year-round climate.

Avg daytime high
16°C
coldest season of the year
Avg overnight low
12°C
Rainfall
294 mm
31 wet days
Avg wind
17 km/h
Travel score
5.1
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Retreat in Winter

Average highAverage lowShaded bands: 10–90% of days

Across winter, daytime highs hold fairly steady around 16°C.

A typical winter day in Retreat reaches about 16°C and drops to 12°C overnight. The warmest of the three months is June, the coolest July.

10°15°20°JunJulAug

Retreat weather by month

How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 18°152.8148.5
Feb22° / 18°14313.38.5
Mar21° / 17°163.312.38.1
Apr20° / 15°435.211.27.2
May18° / 14°678.410.36.3
Jun16° / 12°10811.19.85.2
Jul16° / 11°989.9105.1
Aug16° / 11°8710.310.75.1
Sep17° / 12°518.211.85.7
Oct18° / 14°335.812.96.8
Nov20° / 15°305.113.87.3
Dec21° / 17°173.614.28.1

Cloud cover in Winter

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time across winter.

0%25%50%75%100%JunJulAug

Chance of precipitation in Winter

Any precipitation

Retreat gets around 294 mm of rain over 31 wet days across winter. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Winter

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Winter

Winds average 17 km/h across winter.

05101520JunJulAug

Sunrise & sunset in Winter

DaylightNight

Daylight runs from about 9 h 54 min in early June to 11 h 12 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Winter

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across winter, about 2.9 kWh/m².

012345JunJulAug
Planning a trip in winter

Hazard calendar for Retreat

In seasonPeak

In winter, Retreat overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Retreat's rainy season runs May–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is winter a good time to visit Retreat?

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

5.1
Sightseeing
4th-best month of the year
0.6
Beach & pool
4th-best month of the year

winter is a reasonable time to visit Retreat for sightseeing.

What to pack for Retreat in Winter

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

In winter, Retreat sees daytime highs around 16°C and nights near 12°C. Worth packing: a warm layer and rain gear. About 31 days see rain.

a warm layerrain gear

Sea temperature near Retreat in Winter

The nearest coast averages about 15°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in January at about 19°C and coldest in August near 15°C.

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

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan19Cool
Feb19Cool
Mar18Cool
Apr16Cool
May16Cool
Jun16Cool
Jul15Cool
Aug15Bracing
Sep15Cool
Oct16Cool
Nov17Cool
Dec18Cool

UV index in Retreat in Winter

LowModerateHighVery highExtreme

Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Retreat peaks around January 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Very high
Nov11Extreme
Dec12Extreme

Air quality in Retreat in Winter

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.

Air quality in Retreat is worst in May — around 52 µg/m³ PM2.5 (poor), about 3.4× the cleanest month (December, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 2152 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb19Moderate
Mar28Moderate
Apr41Poor
May52Poor
Jun50Poor
Jul47Poor
Aug41Poor
Sep33Moderate
Oct29Moderate
Nov18Moderate
Dec15Moderate
Location & terrain

Where is Retreat?

Retreat sits at 34.1°S, 18.5°E, 8 m above sea level, in South Africa. The nearest listed city is Muizenberg, 5.0 km away.

Topography around Retreat

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

Within 3 km, the terrain around Retreat has only modest variations in elevation — a maximum elevation change of 43 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,078 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,973 m.

The land around Retreat is covered by artificial surfaces (62%) within 3 km, water (31%) and artificial surfaces (26%) within 16 km, and water (49%) and grassland (20%) within 80 km.

3 km
43 m
16 km
1,078 m
80 km
1,973 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
Winter weather nearby: Muizenberg 5.0 km · Lansdowne 8.0 km · Athlone 10 km · Rondebosch 10 km · Cape Town 15 km · Kuils River 25 km · Durbanville 30 km · Somerset West 32 km

South Africa travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / M / N
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$6,598
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
68%
of population, 2024
Homicide rate
43.7
per 100k, 2022
Road deaths
22.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very high
EF EPI 602
Religion
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 2%

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 Retreat (-34.0551°, 18.4762°, elevation 8 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.