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May weather in Johannesburg, South Africa
Averages from 155 days in May across 2020–2024.
Typical conditions
| Average high | 19.7°C |
|---|---|
| Average low | 7.3°C |
| Average mean | 13°C |
| Total precipitation | 85.4 mm |
| Rainy days | 25 |
| Average precipitation hours | 0.9 h |
| Average max wind speed | 15.5 km/h |
| Average sunshine | 10 h/day |
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