Weather in Johannesburg in December
Johannesburg, South Africa averages a high of 24.5°C (76.1°F) and low of 14°C (57.2°F) in December, with 17 rain days and 11.5 hours of daily sunshine. Travel score: 74.5/100 (Good). The best time to visit Johannesburg is September.
High
25°C76°F
Low
14°C57°F
🌧️
17
rain days
☀️
11.5
hrs/day sunshine
💧
68%
humidity
75— Good
December in Johannesburg is warm and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Johannesburg?
How much does it rain in Johannesburg in December?
Johannesburg receives an average of 128mm of rainfall across 17 rainy days in December. The annual total is 699.3mm.
What should I pack for Johannesburg in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 25°C
🧥
Waterproof jacket
Frequent rain expected (17 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
🎉Visiting South Africa in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31