Cape Town has a Mediterranean climate, classified as Csb in the Köppen system. The warmest month is December with an average high of 29°C, while the coldest month is June with lows dropping to 6°C. The annual temperature range of 23°C reflects moderate seasonal variation.
The driest month is December with only 1 rain days and 10mm of precipitation. For travellers, December through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 65% to 65% throughout the year.
Best Time to Visit Cape Town
Based on temperature and rainfall data, the best months to visit Cape Town are January, February, October. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
In December, Cape Town experiences average highs of 29°C (84°F) and lows of 20°C (68°F). Expect around 1 rainy days and 7 hours of sunshine per day, with humidity averaging 65%. The 9°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.
Cape Town typically sees 1 rainy days in December, with total precipitation of around 10mm. This makes December one of the drier months of the year, and a reliable window for outdoor sightseeing and day trips. Rain showers tend to be brief when they do occur. For context, the driest month in Cape Town typically sees 4-6 fewer rain days than December.
Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Cape Town in December. The 29°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. Rain is unlikely with only 1 wet days, so leave the umbrella at home and use the bag space for sunscreen. Quick-dry synthetic fabrics are preferable to cotton in 65% humidity.
Yes, December is an excellent time to visit Cape Town. With 7 daily sunshine hours and only 1 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 29°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Cape Town in December is 29°C (84°F), and the average low is 20°C (68°F). The mean daily temperature is approximately 25°C (76°F). The day-to-night range of 9°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Cape Town is generally January. January offers the most sunshine at 7 hours per day and only 1 rainy days. Average temperatures reach 28°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around January gives you the best chance of dry, bright weather.
December is shoulder or low season in Cape Town, meaning fewer tourists and generally lower prices than peak months. With 7 sunshine hours and 1 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In December, Cape Town suits a range of activities thanks to warm temperatures of 29°C. With few rainy days, outdoor activities are highly recommended. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 7 hours of sunshine, parks and waterfront walks are particularly enjoyable.