Best time to visit · South Africa
Best time to visit Johannesburg
Johannesburg averages 134 just-right days a year; April, September and October are best. Most other days miss by being too cool.
(70 to 80°F, dry, sunny)
(45 to 65°F, dry)
(80 to 92°F, bright)
Johannesburg weather by month
Bars: share of each month's days that are just right (number = days). Below: average daily high. Outlined bars are the best months.
- Just right 134
- Too cool 97
- Too hot 77
- Too muggy 17
- Too gray 40
When to visit Johannesburg
The best time to visit Johannesburg for comfortable weather is April, September and October, when 60%, 64% and 47% of days are just right. June and July are mostly too cool, with average highs of 65°F (18°C).
Climate table
| Month | Avg high | Dew point | Cloud cover | Just-right days |
|---|---|---|---|---|
| January | 80°F (27°C) | 57°F (14°C) | 47% | 7 |
| February | 80°F (27°C) | 56°F (13°C) | 40% | 8 |
| March | 78°F (26°C) | 55°F (13°C) | 36% | 14 |
| April | 73°F (23°C) | 48°F (9°C) | 30% | 18 |
| May | 70°F (21°C) | 39°F (4°C) | 19% | 13 |
| June | 65°F (18°C) | 31°F (-1°C) | 14% | 4 |
| July | 65°F (18°C) | 28°F (-2°C) | 11% | 4 |
| August | 70°F (21°C) | 30°F (-1°C) | 16% | 14 |
| September | 77°F (25°C) | 36°F (2°C) | 23% | 19 |
| October | 78°F (26°C) | 46°F (8°C) | 42% | 15 |
| November | 78°F (26°C) | 51°F (11°C) | 54% | 11 |
| December | 79°F (26°C) | 56°F (13°C) | 51% | 8 |
How Johannesburg compares
Johannesburg gets 134 just-right days a year with our default window; the median big US city gets 33. On muggy days: 17. On gray days: 40.
Places with a similar climate
Nearby
Johannesburg averages 134 just-right days a year (70 to 80°F highs, dry, mostly sunny), according to Goldilocks Map: https://goldilocksmap.com/south-africa/johannesburg/Set your own perfect weather on the map →
Numbers are expected days in a typical year from 1991 to 2020 climate normals (TerraClimate; cloud cover from CHELSA), on a grid about 35 km wide. Checked against 10 years of daily records at 28 NOAA weather stations: typical error about 10 days a year. How it works. Updated 2026-10-07.