Our verdict
The best time to visit Johannesburg is June-October
In summer, the average maximum temperature is around 27℃ (81℉), but temperatures can sometimes reach as high as 31℃ (88℉) on the hottest days of the year. In the winter, temperatures can get down to 3℃ (38℉) around June.
If you’re a sun-chaser and want to visit Johannesburg when the days are longest, you should visit in October. To stay dry, avoid travelling to Johannesburg in January – It’s the wettest month of the year.
Continue reading to find out loads more about when to travel to Johannesburg, then use the handy tools below to search for the best flight and hotel options that are right for you.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
Johannesburg seasons
Before you continue, it’s important to know when the seasons are in Johannesburg as they might be different to yours depending on where in the world you’re travelling from. Johannesburg is in the Southern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | December to February |
| Autumn/fall | March to May |
| Winter | June to August |
| Spring | September to November |
Average temperatures in Johannesburg
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Johannesburg for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Johannesburg climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Johannesburg for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Johannesburg in January
- Average temperature: 22℃ (71℉)
- Average high temperature: 27℃ (81℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 64%
- Average sunny days: 7 days
- Average rainfall: 94mm (4") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Johannesburg in February
- Average temperature: 21℃ (70℉)
- Average high temperature: 27℃ (81℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 64%
- Average sunny days: 8 days
- Average rainfall: 60mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Johannesburg in March
- Average temperature: 20℃ (68℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 62%
- Average sunny days: 12 days
- Average rainfall: 43mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Johannesburg in April
- Average temperature: 17℃ (63℉)
- Average high temperature: 23℃ (73℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 58%
- Average sunny days: 17 days
- Average rainfall: 33mm (1") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in April, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Johannesburg in May
- Average temperature: 15℃ (59℉)
- Average high temperature: 21℃ (70℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 49%
- Average sunny days: 27 days
- Average rainfall: 5mm (0") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in May, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Johannesburg in June
- Average temperature: 11℃ (52℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 48%
- Average sunny days: 28 days
- Average rainfall: 3mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in June, make sure you pack a warm jacket or coat.
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Johannesburg in July
- Average temperature: 11℃ (52℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 6℃ (43℉)
- Average humidity: 45%
- Average sunny days: 29 days
- Average rainfall: 1mm (0") over 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in July, make sure you pack a warm jacket or coat.
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Johannesburg in August
- Average temperature: 15℃ (58℉)
- Average high temperature: 21℃ (70℉)
- Average low temperature: 8℃ (47℉)
- Average humidity: 38%
- Average sunny days: 29 days
- Average rainfall: 2mm (0") over 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in August, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Johannesburg in September
- Average temperature: 19℃ (65℉)
- Average high temperature: 25℃ (78℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 34%
- Average sunny days: 25 days
- Average rainfall: 8mm (0") over 4 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in September, make sure you pack a coat or jumper for the evenings, and t-shirts and light gear for the daytime.
Johannesburg in October
- Average temperature: 21℃ (70℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 15℃ (58℉)
- Average humidity: 43%
- Average sunny days: 17 days
- Average rainfall: 45mm (2") over 11 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Johannesburg in November
- Average temperature: 21℃ (70℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 15℃ (60℉)
- Average humidity: 52%
- Average sunny days: 11 days
- Average rainfall: 74mm (3") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Johannesburg in December
- Average temperature: 22℃ (71℉)
- Average high temperature: 27℃ (81℉)
- Average low temperature: 16℃ (62℉)
- Average humidity: 61%
- Average sunny days: 7 days
- Average rainfall: 89mm (4") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Johannesburg in December, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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