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The weather in
Johannesburg
See today's weather and the 14-day forecast for Johannesburg. Search another place to look ahead instantly.
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Johannesburg, Gauteng
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Rain forecast for Johannesburg
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The next 14 days
Johannesburg weather
Weather in Johannesburg
See the forecast for Johannesburg in one clear overview. From temperature and wind to the chance of rain: plan a walk through one of the city parks or a day exploring the Cradle of Humankind with up-to-date information.
Today and the next 14 days
The forecast for Johannesburg is updated daily. Check the temperature, wind and chance of rain hour by hour, and use the 14-day outlook to plan ahead and spot which days look best for being outside.
Practical weather notes for Johannesburg
Johannesburg's high altitude keeps temperatures milder than its latitude might suggest, with warm days and noticeably cool nights, even in summer. Afternoon thunderstorms are a regular summer feature and can build quickly, often clearing within an hour or two.
Seasons in Johannesburg
Southern Hemisphere seasons apply: November to March is the warm, wet summer with frequent afternoon storms, while June to August is the dry, sunny winter with cold nights and occasional frost. Spring and autumn are generally mild, dry and comfortable for being outdoors.
Frequently asked questions
How often is the forecast updated?
The live weather data refreshes several times a day, so you're always seeing the latest forecast for Johannesburg.
Is the 14-day forecast reliable?
The first few days are usually the most accurate. Further ahead, the forecast mainly shows a trend rather than the exact weather at a specific hour.
What should I check before heading outside?
Look at the combination of rain, wind and feels-like temperature. A short trip can handle a passing shower, but a longer walk or bike ride benefits from a more stable stretch of weather.
climate
Climate in Johannesburg by month
Planning a trip to Johannesburg? Below are the average daily high and low temperatures and the rainfall for each month. For the coming days, see the forecast above.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| January | 25.6°C (78°F) | 14.5°C (58°F) | 117 mm (4.6 in) |
| February | 25.2°C (77°F) | 14.4°C (58°F) | 104 mm (4.1 in) |
| March | 24.3°C (76°F) | 13.1°C (56°F) | 61 mm (2.4 in) |
| April | 21.5°C (71°F) | 10.3°C (51°F) | 57 mm (2.2 in) |
| May | 19.8°C (68°F) | 7.3°C (45°F) | 16 mm (0.6 in) |
| June | 17.1°C (63°F) | 4.1°C (39°F) | 8 mm (0.3 in) |
| July | 17.3°C (63°F) | 3.5°C (38°F) | 4 mm (0.2 in) |
| August | 21.0°C (70°F) | 6.4°C (44°F) | 3 mm (0.1 in) |
| September | 24.7°C (76°F) | 9.9°C (50°F) | 14 mm (0.6 in) |
| October | 26.1°C (79°F) | 11.7°C (53°F) | 39 mm (1.5 in) |
| November | 26.0°C (79°F) | 13.2°C (56°F) | 77 mm (3.0 in) |
| December | 25.9°C (79°F) | 14.7°C (58°F) | 109 mm (4.3 in) |
Source: ERA5 reanalysis via Open-Meteo, 2015-2024. Model averages for a grid cell, not official station records.
Best time to visit Johannesburg
The warmest month in Johannesburg is October, with an average high of 26.1°C (79°F). The coolest is June, at 17.1°C (63°F). The wettest month is January, with about 117 mm (4.6 in) of rain. Highs of 25°C (77°F) or more are typical from October to February. For sightseeing and walking, with highs between 18 and 27°C (64 to 81°F), August to May are the most comfortable.
Climate FAQ
What is the warmest month in Johannesburg?
October, with an average high of 26.1°C (79°F) and an average low of 11.7°C (53°F) (averages for 2015-2024).
What is the wettest month in Johannesburg?
January, with about 117 mm (4.6 in) of rain. The driest month is August.
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