Weather in Johannesburg in May
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for May in Johannesburg.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youJohannesburg in May is pleasantly mild — daytime temperatures average 19.0°C, dropping to 6.9°C at night. The month is mostly dry with only occasional showers, with roughly 9.9 hours of sunshine a day. It is one of the best months of the year to visit. For the complete picture, see the best time to visit Johannesburg — every month compared. Once you know when to go, find your Johannesburg packing list at 247PackingList.
Get ready for Johannesburg in May
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Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
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Get NordVPN →What to pack for Johannesburg in May
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
Compare all months in Johannesburg
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 25.1°C | 123.3mm | 9/10 |
| February | 24.3°C | 129.4mm | 9/10 |
| March | 23.4°C | 48.0mm | 10/10 |
| April | 21.4°C | 78.5mm | 10/10 |
| May | 19.0°C | 21.2mm | 10/10 |
| June | 16.6°C | 12.4mm | 10/10 |
| July | 16.8°C | 1.0mm | 10/10 |
| August | 20.0°C | 3.8mm | 10/10 |
| September | 24.8°C | 9.1mm | 10/10 |
| October | 25.7°C | 50.8mm | 10/10 |
| November | 25.0°C | 99.5mm | 10/10 |
| December | 24.6°C | 146.0mm | 9/10 |
Full month-by-month guide: best time to visit Johannesburg →
For facts about South Africa — currency, language and dialling code — see our South Africa country guide at 247CountryInfo. Travellers also find it useful to keep a Johannesburg travel guide to hand. Check clothing sizes in South Africa before you shop.
Frequently Asked Questions
Is May a good time to visit Johannesburg?
May rates 10/10 for visiting Johannesburg — excellent time to visit. Expect average highs of 19.0°C, 21.2mm of rain across the month and about 9.9 hours of daily sunshine.
What is the temperature in Johannesburg in May?
In May, Johannesburg has average highs of 19.0°C (66.2°F) and average lows of 6.9°C (44.4°F).
Does it rain in Johannesburg in May?
Not much. May averages just 21.2mm of rain in Johannesburg — the odd shower is possible but most days stay dry.
What should I wear in Johannesburg in May?
For Johannesburg in May (19.0°C highs / 6.9°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes.
More essentials for Johannesburg in May
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.