Stellenbosch weather in June

In June, Stellenbosch sees average daytime highs of 16°C and overnight lows near 10°C, with 138 mm of rain across 11 wet days and about 9.8 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 16°C through the month. The sky is clear or mostly clear about 41% of the time in June, and the air most often feels dry.

Daylight stretches from about 9 h 54 min at the start of June to 9 h 48 min by month's end. Set against the rest of the year, June is Stellenbosch's 10th-clearest and 9th-windiest month. For the whole year in context, see Stellenbosch's year-round climate.

Daytime high
16°
10th warmest
Overnight low
10°
3rd coldest
Rainfall
138 mm
11 wet days
Daylight
9 h 48 min
7:52 AM – 5:37 PM
Cloud cover
48%
10th clearest
Wind
13 km/h
9th windiest
Solar energy
2.47 kWh/m²
Travel score
5.1
out of 10

Stellenbosch is town in the Western Cape, South Africa.

Density
11,678/km²
people per km²
Founded
1679

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 16°C through the month.

A typical June day in Stellenbosch reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, June runs about 2°C cooler than May and on par with July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11711
21711
31710
41710
51710
61710
71610
81610
91610
101610
111610
121610
131610
141610
151610
161610
171610
181610
191610
201610
211610
221610
231610
241610
25169
26169
27169
28169
29169
30169

Stellenbosch weather by month

How June compares with the rest of the year at a glance. June is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 17°213.4148.8
Feb25° / 17°183.213.38.7
Mar24° / 16°213.512.38.6
Apr21° / 14°565.711.27.4
May19° / 12°90910.36.4
Jun16° / 10°138119.85.1
Jul16° / 12210.3105.1
Aug16° / 10510.910.75.1
Sep17° / 11°688.811.85.8
Oct19° / 12°456.612.96.9
Nov21° / 14°415.813.87.5
Dec23° / 16°244.214.28.4

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 21% of June, with mostly cloudy or overcast conditions the remaining 38%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
76040
86040
96040
106040
116139
126238
136238
146337
156238
166238
176337
186337
196337
206337
216337
226337
236337
246337
256436
266436
276337
286337
296238
306337

Chance of precipitation in June

Any precipitation

Stellenbosch gets around 138 mm of rain over 11 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
438
538
638
737
837
937
1037
1137
1236
1336
1436
1536
1637
1737
1837
1937
2037
2136
2236
2336
2436
2535
2635
2735
2835
2935
3034

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4973
5973
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20991
21991
22991
23991
24991
25991
26991
27991
28991
291000
301000

Wind in June

Winds average 13 km/h in June.

Across June, 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.

051015151015202530
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 9 h 54 min at the start of June to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over June. Sunrise moves from 7:45 AM to 7:55 AM, and sunset from 5:39 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
19.97:455:39
29.97:455:39
39.97:465:39
49.97:465:39
59.97:475:38
69.87:485:38
79.87:485:38
89.87:495:38
99.87:495:38
109.87:505:38
119.87:505:37
129.87:515:37
139.87:515:37
149.87:515:37
159.87:525:37
169.87:525:37
179.87:525:37
189.77:535:38
199.77:535:38
209.77:535:38
219.77:545:38
229.77:545:38
239.77:545:38
249.77:545:39
259.77:545:39
269.77:555:39
279.77:555:39
289.87:555:40
299.87:555:40
309.87:555:40

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 2.47 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 8.15 kWh/m² in December across the year — June's 2.47 kWh/m² sits near the bottom.

0123151015202530
Solar energy (kWh/m²)Level
12.6Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.5Moderate
92.5Moderate
102.5Moderate
112.5Moderate
122.5Moderate
132.5Moderate
142.5Moderate
152.5Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.5Moderate
302.5Moderate
Planning a trip in June

Hazard calendar for Stellenbosch

In seasonPeak

In June, Stellenbosch sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Stellenbosch'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 June a good time to visit Stellenbosch?

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

5.1
Sightseeing
10th-best month of the year
0.8
Beach & pool
10th-best month of the year

June is a reasonable time to visit Stellenbosch for sightseeing.

What to pack for Stellenbosch in June

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

In June, Stellenbosch sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Stellenbosch in June

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

The sea at the nearest coast (about 21 km away) is warmest in January at about 19°C and coldest in July near 15°C.

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

14°16°18°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar17Cool
Apr16Cool
May16Cool
Jun15Cool
Jul15Bracing
Aug15Bracing
Sep15Cool
Oct16Cool
Nov17Cool
Dec18Cool

UV index in Stellenbosch in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Stellenbosch 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 highModerateExtremeJan 13UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb10Very high
Mar9Very high
Apr6High
May3Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct10Extreme
Nov11Extreme
Dec12Extreme

Air quality in Stellenbosch in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Stellenbosch 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 Stellenbosch?

Stellenbosch sits at 33.9°S, 18.9°E, 122 m above sea level, in South Africa. The nearest listed city is Kuils River, 15 km away.

Topography around Stellenbosch

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

Within 3 km, the terrain around Stellenbosch has large variations in elevation — a maximum elevation change of 605 m around an average of 167 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,612 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,073 m.

The land around Stellenbosch is covered by artificial surfaces (29%), grassland (28%) and trees (26%) within 3 km, grassland (45%) and trees (22%) within 16 km, and water (34%) and grassland (25%) within 80 km.

3 km
605 m
16 km
1,612 m
80 km
2,073 m
treesshrubsgrasslandcroplandartificial surfaceswater
June weather nearby: Kuils River 15 km · Kraaifontein 17 km · Somerset West 17 km · Le Roux 22 km · Durbanville 23 km · Franschhoek 23 km · Paarl 24 km · Grabouw 28 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 Stellenbosch (-33.9346°, 18.8668°, elevation 122 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).