Cape Town enjoys a temperate climate with warm, dry conditions from October to April. Temperatures peak between December and February, which is the most popular time for a Cape Town beach holiday.which is the most popular time for a Cape Town beach holiday. Expect busy beaches, a vibrant nightlife and gloriously sunny festive cheer. Cape Town’s fierce south-easter wind blows hard during this time, occassionally clearing the beaches and blanketing Table Mountain in cloud.