Hot in Jul
28°C average high
avg high · 21° at night
25°C+ on 9 in 10 days
South Africa
Cape Town weather in July
Is it warm? Not really. July in Cape Town is cool: afternoons average 16°C and nights 9°C. Most days (80%) peak between 14°C and 20°C.
Cool · average high
16°C
25°C or more on almost no days; 20°C or more on about one in ten days.
- Average low9°overnight
- Sea14°average, 2023–2025
- Rainy days9100 mm in the month
- SkyOften cloudy46% cloud · 32% clear days
How warm it really gets
Every July afternoon from 2011–2025: 465 days. Most (80%) peaked between 14° and 20°.
July, year by year
The average July high in each year. The warmest, 2018, averaged 19°C; the coolest, 2024, 15°C.
Compared with home
Average July highs. Expect rain on about 9 days (100 mm in a typical month).
- Cape Town16°
- London23°
- Manchester20°
- Dublin19°
- Cork19°
- Glasgow18°
- Belfast18°
Warmer in July, not much further
Flying times are estimates from Dublin; Cape Town is about 12h 45m.
Hot in Jul
31°C average high
avg high · 23° at night
25°C+ on almost every day
Hot in Jul
31°C average high
avg high · 22° at night
25°C+ on almost every day
Air: ERA5 reanalysis via Open-Meteo, 2011–2025. Sea: Copernicus Marine analysis via Open-Meteo, 2023–2025. Rainy day = 2 mm or more. Clear day = average cloud cover of 30% or less. These are averages of past weather, not a forecast. Methodology