Weather in Johannesburg, South Africa
Historical monthly conditions · 2021–2025
Monthly averages
Average daily air-temperature lows/highs and peak wind gusts. Rain is the average monthly total.
| Month | Avg low | Avg high | Rain | Cloud cover | Avg peak gust |
|---|---|---|---|---|---|
| January | 16°C | 26°C | 154.0 mm | 55% | 33.8 km/h |
| February | 16°C | 26°C | 165.7 mm | 55% | 32.2 km/h |
| March | 14°C | 25°C | 73.6 mm | 43% | 31.5 km/h |
| April | 11°C | 23°C | 91.2 mm | 34% | 32.4 km/h |
| May | 7°C | 21°C | 28.4 mm | 20% | 29.8 km/h |
| June | 4°C | 18°C | 7.4 mm | 10% | 34.1 km/h |
| July | 4°C | 19°C | 2.9 mm | 12% | 34.0 km/h |
| August | 7°C | 22°C | 5.1 mm | 16% | 39.0 km/h |
| September | 11°C | 26°C | 17.2 mm | 22% | 42.7 km/h |
| October | 12°C | 26°C | 62.0 mm | 35% | 40.6 km/h |
| November | 14°C | 25°C | 104.6 mm | 51% | 40.4 km/h |
| December | 15°C | 26°C | 143.7 mm | 57% | 38.1 km/h |
Weather match by month
Feels like 15°C–30°C · cloud ≤60% · rain ≤0.1 mm/h · gust ≤50 km/h
Feels-like temperature accounts for humidity and wind in shade. Percentages cover 08:00–20:00 local solar time.
| Month | Match rate | |
|---|---|---|
| January | 42.9% | |
| February | 45.4% | |
| March | 56.1% | |
| April | 55.7% | |
| May | 44.6% | |
| June | 15.4% | |
| July | 15.5% | |
| August | 39.3% | |
| September | 58.1% | |
| October | 56.6% | |
| November | 45.9% | |
| December | 37.5% |
About this location and data
- Urban-centre population
- 7,077,175
- Elevation
- 1585 m
- Coordinates
- 26.22°S, 28.01°E
- Urban area
- 1,445 km²
Weather averages use 8 ERA5 grid cells, weighted by the area of the urban centre in each cell.
2021-2025 recent-weather sample (not a 30-year normal).
How the weather scores are calculated