Weather in Johannesburg in May
Johannesburg, South Africa averages a high of 18.6°C (65.5°F) and low of 6.2°C (43.2°F) in May, with 3 rain days and 9.7 hours of daily sunshine. Travel score: 85.2/100 (Excellent). The best time to visit Johannesburg is September.
High
19°C65°F
Low
6°C43°F
🌧️
3
rain days
☀️
9.7
hrs/day sunshine
💧
57%
humidity
85— Excellent
May in Johannesburg is mild and dry — excellent conditions for exploring.
What are the average temperatures in Johannesburg?
How much does it rain in Johannesburg in May?
Johannesburg receives an average of 18.1mm of rainfall across 3 rainy days in May. The annual total is 699.3mm.
What should I pack for Johannesburg in May?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 19°C
Recommended
🧥
Evening jacket or cardigan
Temperature drops 12°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