Weather in Heidelberg in December
Heidelberg, South Africa averages a high of 25.7°C (78.3°F) and low of 14.9°C (58.8°F) in December, with 16 rain days and 11.7 hours of daily sunshine. Travel score: 76.9/100 (Good). The best time to visit Heidelberg is September.
High
26°C78°F
Low
15°C59°F
🌧️
16
rain days
☀️
11.7
hrs/day sunshine
💧
68%
humidity
77— Good
December in Heidelberg is warm and rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Heidelberg?
How much does it rain in Heidelberg in December?
Heidelberg receives an average of 130.1mm of rainfall across 16 rainy days in December. The annual total is 679.2mm.
What should I pack for Heidelberg in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 26°C
🧥
Waterproof jacket
Frequent rain expected (16 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