Best time to visit Johannesburg
The best time to visit Johannesburg, South Africa is March–October — expect daytime highs near 20°C and roughly 2.2 rainy days a month. The most challenging month is typically December.
Travel score by month (0–10)
Johannesburg climate, month by month
Averages computed from ERA5 reanalysis data, 2019–2024. Daylight on the 15th: 10.7 h in May.
| Month | High | Low | Rain days | Rainfall | Sun/day | Humidity | Score |
|---|---|---|---|---|---|---|---|
| January | 25°C | 15°C | 14.2 | 108 mm | 11.4 h | 68% | 8.4 · Good |
| February | 25°C | 14°C | 13.3 | 103 mm | 10.9 h | 69% | 8.6 · Excellent |
| March | 25°C | 13°C | 7.8 | 39 mm | 10.8 h | 65% | 9.8 · Excellent |
| April | 21°C | 10°C | 7.7 | 71 mm | 10.1 h | 65% | 9.8 · Excellent |
| May | 20°C | 7°C | 2.2 | 14 mm | 10 h | 54% | 10.0 · Excellent |
| June | 17°C | 4°C | 2 | 11 mm | 9.9 h | 51% | 10.0 · Excellent |
| July | 17°C | 4°C | 0.2 | 1 mm | 10.3 h | 43% | 10.0 · Excellent |
| August | 21°C | 7°C | 0.7 | 3 mm | 10.6 h | 41% | 10.0 · Excellent |
| September | 25°C | 10°C | 3 | 12 mm | 11.2 h | 39% | 10.0 · Excellent |
| October | 26°C | 12°C | 6.3 | 38 mm | 11 h | 47% | 10.0 · Excellent |
| November | 26°C | 14°C | 12.5 | 84 mm | 11.3 h | 60% | 8.8 · Excellent |
| December | 25°C | 15°C | 16.8 | 125 mm | 11 h | 68% | 7.8 · Good |
January
8.4 · Good
25°C / 15°C
💧 14.2 rain days · ☀️ 11.4 h sun · 🌡 feels 68% RH
February
8.6 · Excellent
25°C / 14°C
💧 13.3 rain days · ☀️ 10.9 h sun · 🌡 feels 69% RH
March
9.8 · Excellent
25°C / 13°C
💧 7.8 rain days · ☀️ 10.8 h sun · 🌡 feels 65% RH
April
9.8 · Excellent
21°C / 10°C
💧 7.7 rain days · ☀️ 10.1 h sun · 🌡 feels 65% RH
May
10.0 · Excellent
20°C / 7°C
💧 2.2 rain days · ☀️ 10 h sun · 🌡 feels 54% RH
June
10.0 · Excellent
17°C / 4°C
💧 2 rain days · ☀️ 9.9 h sun · 🌡 feels 51% RH
July
10.0 · Excellent
17°C / 4°C
💧 0.2 rain days · ☀️ 10.3 h sun · 🌡 feels 43% RH
August
10.0 · Excellent
21°C / 7°C
💧 0.7 rain days · ☀️ 10.6 h sun · 🌡 feels 41% RH
September
10.0 · Excellent
25°C / 10°C
💧 3 rain days · ☀️ 11.2 h sun · 🌡 feels 39% RH
October
10.0 · Excellent
26°C / 12°C
💧 6.3 rain days · ☀️ 11 h sun · 🌡 feels 47% RH
November
8.8 · Excellent
26°C / 14°C
💧 12.5 rain days · ☀️ 11.3 h sun · 🌡 feels 60% RH
December
7.8 · Good
25°C / 15°C
💧 16.8 rain days · ☀️ 11 h sun · 🌡 feels 68% RH
Hottest month
October · 26°C
Coldest month
July · 4°C nights
Wettest month
December · 125 mm
Driest month
July · 1 mm
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