Best time to visit Johannesburg
The best months to visit Johannesburg are September, August and April, based on month-by-month temperature and rainfall data. The full year of weather, daylight, holidays, and festival timing is below.
September, August and April score best for Johannesburg weather:
- April23° / 10°CApril cools into autumn, with clearer afternoons for Maboneng walks and Cradle of Humankind drives.
- August21° / 6°CAugust warms and stays dry, useful for Walter Sisulu gardens and township tours without summer storms.
- September25° / 9°CSeptember brings spring heat and jacaranda build-up, with light layers enough after sunset.
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By TripSapien Research · Updated May 20, 2026
Johannesburg weather by month
| Month | High | Low | Rain (mm) | Rainy days | Daylight |
|---|---|---|---|---|---|
| January | 26° | 15° | 125 | 14 | 14h |
| February | 26° | 14° | 90 | 10 | 13h |
| March | 25° | 13° | 90 | 11 | 12h |
| AprilBest weather | 23° | 10° | 50 | 8 | 11h |
| May | 20° | 7° | 15 | 3 | 11h |
| June | 18° | 4° | 10 | 2 | 10h |
| July | 18° | 4° | 5 | 1 | 11h |
| AugustBest weather | 21° | 6° | 5 | 2 | 11h |
| SeptemberBest weather | 25° | 9° | 25 | 4 | 12h |
| October | 26° | 11° | 75 | 9 | 13h |
| November | 26° | 13° | 110 | 13 | 13h |
| December | 26° | 14° | 105 | 14 | 14h |
Temperatures in °C. Long-term monthly averages.
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Johannesburg month by month
January
Johannesburg in January: 26.3°C high, 14.6°C low, 125mm rain over 14 days, 13.5h daylight. Mild but rainy — flexible plans pay off.
February
Johannesburg in February: 26.3°C high, 14.4°C low, 90mm rain over 10 days, 12.9h daylight. Mild and dry — shoulder-season sweet spot.
March
Johannesburg in March: 25°C high, 13.2°C low, 90mm rain over 11 days, 12.2h daylight. Mild and dry — shoulder-season sweet spot.
AprilBest weather
Johannesburg in April: 22.7°C high, 10.2°C low, 50mm rain over 8 days, 11.4h daylight. Mild and dry — shoulder-season sweet spot.
May
Johannesburg in May: 20.4°C high, 7.1°C low, 15mm rain over 3 days, 10.7h daylight. Mild and dry — shoulder-season sweet spot.
June
Johannesburg in June: 17.9°C high, 4.2°C low, 10mm rain over 2 days, 10.4h daylight. Mild and dry — shoulder-season sweet spot.
July
Johannesburg in July: 17.8°C high, 3.6°C low, 5mm rain over 1 days, 10.5h daylight. Mild and dry — shoulder-season sweet spot.
AugustBest weather
Johannesburg in August: 20.8°C high, 6°C low, 5mm rain over 2 days, 11.1h daylight. Mild and dry — shoulder-season sweet spot.
SeptemberBest weather
Johannesburg in September: 24.6°C high, 9.4°C low, 25mm rain over 4 days, 11.9h daylight. Mild and dry — shoulder-season sweet spot.
October
Johannesburg in October: 26°C high, 11.4°C low, 75mm rain over 9 days, 12.6h daylight. Mild and dry — shoulder-season sweet spot.
November
Johannesburg in November: 25.8°C high, 12.5°C low, 110mm rain over 13 days, 13.3h daylight. Mild but rainy — flexible plans pay off.
December
Johannesburg in December: 26.1°C high, 14°C low, 105mm rain over 14 days, 13.6h daylight. Mild but rainy — flexible plans pay off.
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