Cape Town Weather in December

What December actually feels like

December is when Cape Town becomes the city of the postcards. The summer is in full force. Days routinely hit 28–32°C in the City Bowl and the Winelands, slightly cooler on the Atlantic seaboard (24–27°C). Rainfall is essentially zero for weeks at a time. The mountain and ocean light is at its best.

What surprises first-time visitors is the wind. The South Easter — the Cape Doctor — is at its peak strength in December. Most afternoons see 25–45 km/h wind, often shutting down the Table Mountain Cable Car, kicking up sand at Camps Bay, and making outdoor dining a battle of weighted napkins. Mornings are usually calm and beautiful. Plan around that.

Then there's the heat. Cape Town isn't humid like Durban or Johannesburg's summer storms — it's a dry, Mediterranean heat. But on a 33°C day with no wind, the city bowl can feel oven-like. The Atlantic seaboard is consistently 3–5°C cooler. The locals retreat to the beach or the Winelands; the visitors fill the V&A.

Daylight and sun

Sunrise around 05:30 in early December moving to 05:40 by month-end. Sunset 19:50 to 19:55. That's over 14 hours of daylight — and the long evenings are one of December's great gifts. Sundowners at 19:00 with the sun still high. Dinner at 20:30 with twilight lingering. The afternoon-into-evening window is when Cape Town summer truly shows off.

UV index runs 10–12 at midday. This is genuinely dangerous sun. Hats, sunglasses and SPF 30+ are essentials, not suggestions. Sunburn can develop in 15 minutes on the worst days.

What it means for activities

• Beach days: Excellent in the morning, often wind-blasted in the afternoon. The Atlantic seaboard is sheltered until about 13:00; False Bay tends to hold longer.
• Cable Car: Goes up most mornings, often closed by mid-afternoon. Book the early slot.
• Hikes: Start before 08:00 to avoid heat. Lion's Head is most-popular at sunrise. Avoid Table Mountain ridges in the afternoon wind.
• Wine tasting: Bookings essential. The Winelands are at their busiest. Constantia is closest; Stellenbosch is its peak.
• Restaurants: Book a week ahead minimum from mid-December. Walk-ins are a gamble.
• Whales: Gone — they head south by November.

What to pack

• Light layers — daytime is hot but evenings can drop to 16°C, especially at the coast. A light jacket or jumper.
• Real sun protection — SPF 30+, a wide-brim hat, sunglasses with UV protection.
• Wind-proof layer — a light windbreaker is genuinely useful when the South Easter is up.
• Beach kit — but the water is cold (15–20°C). A wetsuit if you plan to surf or swim seriously.
• Walking shoes — the city's best experiences are on foot or on a hike.
• One smarter outfit — Cape Town's restaurant scene is dressy by African standards.

Mid-December vs early December

1–14 December is bookable, busy but manageable, and merely expensive. Hotel prices are 50–70% above shoulder season. Restaurants take bookings 2–3 days ahead.

15 December–7 January is the peak. South African schools are out. International tourists arrive in droves. Hotel prices double or triple shoulder season. Camps Bay parking becomes a sport. Restaurant bookings are essential a week ahead. Beach traffic from 11:00 onwards is brutal. The city is at its most alive — and most expensive.

If you have flexibility: aim for 1–14 December over the holiday peak. Same weather, fraction of the cost, half the crowds.

The mid-summer sense check

Two practical truths Capetonians know:

Truth one: The headline weather is always good in December. There will be one or two cold-front days in the month, but they pass quickly. Even the worst December day is dry by southern hemisphere standards.

Truth two: The wind decides everything. A 35 km/h afternoon at Camps Bay is the difference between a postcard memory and being miserable. Watch the morning wind forecast and plan your beach time accordingly. If it's blowing, head to Constantia (the wine farms are sheltered), the V&A (sheltered), or Muizenberg (a different weather system).