Johannesburg — Climate Guide
Monthly temperatures, rainfall, humidity and best time to visit Johannesburg.
Johannesburg
📅 Best Time to VisitApril–September
🌡️ Hottest MonthJanuary (26°C avg high)
🧊 Coolest MonthJuly (16°C avg high)
🌧️ Rain SeasonOctober–March (summer rains)
💧 Annual Rainfall713mm
💨 HumidityLow (40–60%)
🕐 Time ZoneSAST UTC+2 (no DST)
| Month | High | Low | Rain | Humidity |
|---|---|---|---|---|
| Jan | 26°C | 15°C | 114mm | 58% |
| Feb | 25°C | 15°C | 109mm | 58% |
| Mar | 24°C | 13°C | 86mm | 56% |
| Apr | 21°C | 10°C | 38mm | 49% |
| May | 18°C | 7°C | 13mm | 43% |
| Jun | 16°C | 4°C | 7mm | 40% |
| Jul | 17°C | 4°C | 4mm | 38% |
| Aug | 20°C | 6°C | 6mm | 38% |
| Sep | 23°C | 9°C | 26mm | 42% |
| Oct | 24°C | 12°C | 71mm | 52% |
| Nov | 25°C | 14°C | 107mm | 57% |
| Dec | 25°C | 15°C | 120mm | 60% |
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