Johannesburg Weather in May
South Africa · May climate averages and travel tips
In May, Johannesburg has average highs of 20°C (69°F) and lows of 5°C (41°F). May is autumn (fall) in South Africa. The month is very dry, with about 16 mm (0.6 in) of rain spread over 3 days. You get roughly 10.7 hours of daylight and mostly clear skies.
Is May a good time to visit Johannesburg?
Yes — May is one of the best months to visit Johannesburg. The weather rates excellent (10/10) on our comfort score.
Visiting Johannesburg in May
May weather
May is one of Johannesburg's best months for being outdoors. Days feel mild and sunny, while evenings turn cool, especially at the city's high elevation. Rain is scarce, so you're unlikely to lose a whole day to showers.
That suits walks around the leafy streets of Parkhurst or a visit to the Apartheid Museum. You can also spend a clear afternoon at the Walter Sisulu National Botanical Garden. Skip plans that depend on warm evenings outdoors; June gets colder. Bring something warm for the drop in temperature after sunset.
Events and holidays
Workers' Day, on May 1, is a public holiday in South Africa. Some shops and services may have different hours, so check locally if you're heading somewhere specific. Africa Day falls on May 25 and is marked with events in parts of the city, though the programme varies each year.
If you hate crowds, May is a good time to visit. It sits between the April school break and the June–July winter holidays, so major sights are generally less busy than during school-holiday periods.
Crowds and local tips
May is a shoulder-season choice: it's often calmer than the busy summer holiday period, and you may find better-value stays than in peak months. Exact prices vary, but autumn is a popular time because the weather is so pleasant.
At Constitution Hill, allow time to explore the old prison and the Constitutional Court; they're both on the same site in Braamfontein. Travelling with kids? The quieter month can make this moving visit easier to take at your own pace. Check opening times before you go, especially around the May 1 holiday.
May weather at a glance
| Average high | 20°C (69°F) |
|---|---|
| Average low | 5°C (41°F) |
| Daily mean | 12°C (53°F) |
| Rainfall | 16 mm (0.6 in) |
| Rainy days (1 mm+) | 3 |
| Humidity | 55% |
| Cloud cover | 26% |
| Daylight | 10.7 hours |
| Est. sunshine | 8.7 hours/day |
| Wind | 7.1 km/h |
| vs April | 2°C cooler than April, with 35 mm less rain. |
What to pack for Johannesburg in May
- T-shirts plus a light layer for the evening
- a sweater for cool nights
Johannesburg weather in other months
← AprilBest time to visit JohannesburgJune →
Nearby in May
- Soweto21°C · 16 mm
- Pretoria24°C · 14 mm
- Gaborone26°C · 8 mm
- Mbabane23°C · 20 mm
- Maseru19°C · 22 mm
- Matola28°C · 28 mm
Where else is good in May? See where to go in May.