Weather in Cape Town in June

How June compares

June is the 10th warmest month of the year in Cape Town and ranks 133rd of 134 destinations we compare for June - see where else is hot in June. Against London's average high of 19.6°C in June, Cape Town is 2.8°C cooler by day and 1.2°C cooler at night.

Daytime and night-time in June

The typical June day in Cape Town peaks at 16.8°C, but that is an average: the warmest 10% of days reach 20.3°C or more. Roughly 1 in 250 days top 25°C. Nights average 10.1°C; one night in ten drops to 7.1°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest June day here reached 25.4°C (2004-06-02) and the coldest night 4.3°C (2014-06-11).

Rain in June

Wet (more than 8 rainy days): about 10 days with 1 mm or more, 92 mm in total. Year to year it varies a lot - the wettest June was 1994 with 191 mm, the driest 2003 with 12 mm. Humidity averages 81%.

Sea temperature in June

The sea averages 14.6°C - too cold for most (under 18°c). Depending on the year it ranges from 13.8°C to 15.5°C. For the warmest sea here, come in February (18.4°C).

Sunshine and daylight

Around 4.9 hours of sunshine a day (estimated from cloud cover), 9.8 hours of daylight: the sun rises about 07:50 and sets about 17:44 local time in mid-June. Average cloud cover is 50%.

Is June a good time to visit Cape Town?

June is not the strongest month here: mild days and frequent rain. The best months for Cape Town on our scoring are February, January, March; months averaging 25°C or more: Jan, Feb.

Mild afternoons, but cooler than London

Cape Town in June is cooler than London on average: daytime highs are 16.8°C, compared with London's 19.6°C. That makes it better suited to walking in layers than spending the day in beachwear. The warmer days can reach around 20°C, but that is not the everyday expectation. Evenings need a warmer layer, with average lows around 10°C and the coldest nights dropping to around 7°C or below. Pack trousers, closed shoes and a jumper alongside lighter tops. If your main reason for travelling is reliable heat, June does not offer enough warmth to justify choosing it on weather alone.

Keep outdoor plans flexible

Rain is a meaningful catch rather than a detail to ignore. June brings about 10 rainy days, so a tightly scheduled trip with little room to rearrange outdoor time is less suitable than a flexible stay. That does not mean constant grey skies: average sunshine is about 4.9 hours a day, within 9.8 hours of daylight. Use brighter periods for being outside and keep indoor alternatives available when rain arrives. A waterproof outer layer is more useful than packing only for mild temperatures. Plan around the shorter daylight window too, rather than expecting the long light evenings of a UK June.

Cold sea limits the beach appeal

The sea averages 14.6°C, which is cold rather than comfortably swimmable. If easy sea swimming is central to your holiday, this is a strong reason to choose a different time or destination. Time by the water can still fit into a dry, mild day, but pack for being beside the sea rather than assuming you will spend much time in it. With the flight from London taking about 12 h 48 min, June is a difficult sell purely as a sunshine break. It suits travellers who are happy with cool-weather exploring and see pleasant outdoor spells as opportunities, not guarantees.