Weather in Heidelberg in May
Heidelberg, South Africa averages a high of 19.9°C (67.8°F) and low of 7°C (44.6°F) in May, with 3 rain days and 9.7 hours of daily sunshine. Travel score: 86.5/100 (Excellent). The best time to visit Heidelberg is September.
High
20°C68°F
Low
7°C45°F
🌧️
3
rain days
☀️
9.7
hrs/day sunshine
💧
58%
humidity
87— Excellent
May in Heidelberg is mild and dry — excellent conditions for exploring.
What are the average temperatures in Heidelberg?
How much does it rain in Heidelberg in May?
Heidelberg receives an average of 17.3mm of rainfall across 3 rainy days in May. The annual total is 679.2mm.
What should I pack for Heidelberg in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to South Africa in May?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31