Johannesburg weather in 2024
Johannesburg weather in 2024, with 366 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2024 alongside other available years for Johannesburg.
Year summary
In 2024, Johannesburg averaged 23.9 C for daily highs and 10.7 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2024 with the 2023-2025 archive baseline. The 2024 average daily high was +1.1 C from that baseline, and total precipitation was -294.0 mm from the baseline total.
The warmest month was December, with an average high of 27.8 C, while July had the lowest average low at 3.6 C.
The wettest month was January, totaling 75.0 mm. The hottest day reached 34.1 C on December 4, 2024.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 13.9 | 25.7 | 75.0 | 31 |
| February | 15.0 | 27.7 | 28.0 | 29 |
| March | 14.4 | 26.8 | 17.4 | 31 |
| April | 10.1 | 21.3 | 49.6 | 30 |
| May | 8.6 | 22.6 | 0.7 | 31 |
| June | 3.8 | 16.9 | 14.5 | 30 |
| July | 3.6 | 18.8 | 0.0 | 31 |
| August | 7.0 | 22.1 | 0.0 | 31 |
| September | 9.8 | 24.3 | 26.9 | 30 |
| October | 10.4 | 25.8 | 20.1 | 31 |
| November | 14.5 | 27.2 | 37.4 | 30 |
| December | 17.0 | 27.8 | 49.0 | 31 |
Daily records in 2024
| Record | Date | Value |
|---|---|---|
| Hottest day | December 4, 2024 | 34.1 C |
| Coldest night | July 9, 2024 | -3.8 C |
| Wettest day | January 27, 2024 | 14.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.