Weather in Cape Town in October

How October compares

October is the 7th warmest month of the year in Cape Town and ranks 109th of 134 destinations we compare for October - see where else is hot in October. Against London's average high of 14.6°C in October, Cape Town is 5.7°C warmer by day and 4.4°C warmer at night.

Daytime and night-time in October

The typical October day in Cape Town peaks at 20.3°C, but that is an average: the warmest 10% of days reach 25.3°C or more. Roughly 1 in 9 days top 25°C and 1 in 111 pass 30°C. Nights average 12.8°C; one night in ten drops to 10.5°C or lower, so pack a layer for evenings - it is genuinely cool after dark. Between 1991 and 2020 the hottest October day here reached 34.5°C (2018-10-22) and the coldest night 7.6°C (2002-10-04).

Rain in October

Some rain (4-8 rainy days): about 5 days with 1 mm or more, 32 mm in total. Year to year it varies a lot - the wettest October was 2019 with 144 mm, the driest 1999 with 1 mm. Humidity averages 73%.

Sea temperature in October

The sea averages 14.6°C - too cold for most (under 18°c). Depending on the year it ranges from 14.0°C to 15.3°C. For the warmest sea here, come in February (18.4°C).

Sunshine and daylight

Around 7.4 hours of sunshine a day (estimated from cloud cover), 12.9 hours of daylight: the sun rises about 06:05 and sets about 19:00 local time in mid-October. Average cloud cover is 42%.

Is October a good time to visit Cape Town?

It is a reasonable choice: warm days. The best months for Cape Town on our scoring are February, January, March; months averaging 25°C or more: Jan, Feb.

Comfortable days, but pack for cooler spells

The average daytime high makes October better suited to active days than to relying on sunbathing weather. Pack light clothes for warmer afternoons, alongside trousers and a jumper for when temperatures fall. Days reaching 25°C account for 12% of the month, while 30°C days are rare, so sustained heat should not be the reason you book. Evenings need a different approach: the average night low is 12.8°C, and the coldest nights can reach 10.5°C or below. A jacket is a sensible part of your luggage, not just something to wear on the journey from the UK.

Enough sunshine for outdoor plans, with room for rain

October brings about 7.4 hours of sunshine within 12.9 hours of daylight, giving you a useful window for outdoor plans without promising clear skies all day. About 5 days have measurable rain, so it makes sense to keep your schedule flexible rather than build every day around dry weather. Carry a light waterproof and be ready to move outdoor time around if the forecast looks wet. The balance suits travellers who are happy to adapt: rain is a consideration, but it need not define the trip. Long daylight hours also mean you do not have to squeeze everything into the warmest part of the afternoon.

The sea is the main catch

The sea averages 14.6°C in October, which is cold rather than comfortably swimmable. Its year-to-year range of 14°C to 15°C offers little reason to expect a much warmer experience. Treat time beside the water and time in it as different prospects: mild air can make sitting outside pleasant without making a swim appealing. If relaxed sea swimming is central to your holiday, October is a poor fit. If you mainly want to spend time outdoors on land and can accept layers after sunset, the weather makes more sense. Book for mild days and some sunshine, not for reliable beach heat.