Johannesburg - When to Visit

When to Visit Johannesburg

Climate guide & best times to travel

Monthly Climate Data for Johannesburg Average temperature and rainfall by month Climate Overview -1°C 6°C 14°C 22°C 30°C Rainfall (mm) 0 66 132 Jan Jan: 25.0°C high, 14.0°C low, 132mm rain Feb Feb: 25.0°C high, 14.0°C low, 102mm rain Mar Mar: 24.0°C high, 13.0°C low, 94mm rain Apr Apr: 21.0°C high, 10.0°C low, 43mm rain May May: 19.0°C high, 7.0°C low, 20mm rain Jun Jun: 17.0°C high, 4.0°C low, 8mm rain Jul Jul: 17.0°C high, 4.0°C low, 3mm rain Aug Aug: 20.0°C high, 6.0°C low, 5mm rain Sep Sep: 23.0°C high, 9.0°C low, 15mm rain Oct Oct: 25.0°C high, 11.0°C low, 69mm rain Nov Nov: 25.0°C high, 13.0°C low, 102mm rain Dec Dec: 25.0°C high, 14.0°C low, 130mm rain Temperature Rainfall
Johannesburg sits on the Highveld plateau at roughly 1,750 metres above sea level, and that elevation shapes the climate in ways that consistently surprise first-time visitors. The air is thinner. The sun hits harder than the latitude alone would suggest. UV levels run high year-round, and the city experiences warm summers despite sitting at a latitude further from the equator than most travellers expect. Two seasons define Johannesburg: a wet summer running from roughly October through April, and a dry winter from May through September. The difference between them is dramatic. Packing for the wrong one is a genuine problem. Summer follows a very reliable daily pattern across the wet season. Mornings are warm and clear. Cloud builds through the afternoon. A sharp thunderstorm rolls in around mid-afternoon, clears the air completely, and leaves the evening pleasantly fresh. January and December bring the most rain, with around 130mm falling across each month, though this arrives in concentrated bursts rather than steady drizzle, so it rarely ruins a full day's plans. The humidity sits around 70 percent through the wet season, which sounds high but the altitude keeps it from feeling oppressive in the way coastal humidity does. Winter is a different city altogether. From June through August, Johannesburg sees almost no rain. July averages just 3mm for the entire month. The skies turn a shade of blue that photographers come specifically to capture. Days are crisp and sunny, reaching around 17°C (62°F to 63°F) in the coldest months. But nights drop sharply to 4°C (39°F to 40°F), sometimes close to freezing in exposed suburbs. Joburgers wear down jackets through the morning, strip to t-shirts by noon, and layer back up well before sunset. Anyone expecting an African winter to mean warm weather will be caught off guard.

Best Time to Visit

Recommended timing for different travel styles.

Beach and relaxation
Those using it as a base will find May and September offer the most settled in-city conditions for relaxed exploration. Warm afternoons. Low crowds. Reliable weather without summer afternoon storms interrupting outdoor plans.
Cultural exploration
The dry season from May through August is hard to beat. The Apartheid Museum, Constitution Hill, and the Maboneng Precinct are all more enjoyable without the threat of afternoon downpours, and the cooler temperatures make walking between sites comfortable. June and July in particular see Johannesburg at its clearest and most photogenic.
Adventure and hiking
September and October make a strong combination. The rains have not properly arrived yet, temperatures are warming quickly, and the surrounding Gauteng landscape is greening after the dry winter. Day trips from Johannesburg to the Cradle of Humankind and the Magaliesberg are at their best during this shoulder period.
Budget travellers
June and July are typically the easiest months to keep costs down. Visitor numbers drop during the southern hemisphere winter, the city is firmly in its off-peak period for domestic tourism, and the dry, sunny weather means outdoor activities remain fully available without weather-related cancellations complicating plans.

What to Pack

Essentials and seasonal recommendations for Johannesburg.

Year-Round Essentials
high-factor sunscreen, ideally SPF 50
The altitude amplifies UV exposure significantly, and even overcast winter days in Johannesburg deliver more UV than feels intuitive at those temperatures. Many visitors burn in July because the cool air suggests otherwise.
A wide-brimmed hat
earns its place in any season.
Sunglasses
similarly non-negotiable given the intensity of the Highveld light, which is striking during the dry winter months when there is no cloud softening it.
A packable daypack
works harder in Johannesburg than in most cities because so much of the city's activity involves carrying layers you put on in the morning and peel off by noon, along with water, given the dry air's dehydrating effect. Market visits in Maboneng, walking the Constitutional Hill precinct, day trips to the Cradle of Humankind all demand this.
summer (October through April)
Clothing
lightweight breathable clothing for the days, a compact rain jacket for the afternoon storms (which can be intense and brief), a light layer for evenings
Footwear
walking shoes that can get damp without being ruined
winter (May through August)
Clothing
a proper insulating layer - a down jacket or a warm mid-layer, not just a cardigan, Thermal base layers
Accessories
Lip balm, a good hand moisturizer
spring and autumn (September through October and March through April)
Clothing
A base layer, a fleece or light knit, a wind-resistant outer shell
Layering Tip
Layering is the entire strategy. Start with a base layer. Add a fleece or light knit. Top it off with a wind-resistant shell. This trio carries you from a 9°C (48°F) dawn to a 24°C (75°F) afternoon. No single piece works overtime. Each layer earns its place.
Plug Type
Type M
Voltage
230V at 50Hz
Adapter Note
Pack a universal power adapter. South Africa insists on Type M plugs. These large round three-pin sockets differ from UK plugs, European Schuko sockets, and North American flat-blade formats. Choose a compact increase-protected adapter. Make sure it carries a Type M head. You will cover most situations.
Skip These Items
heavy wool sweaters A compact umbrella Very light-coloured shoes Formal eveningwear altitude sickness medication
Full Packing Checklist

Interactive checklist with shopping links for every item you need.

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Month-by-Month Guide

Climate conditions and crowd levels for each month of the year.

January

It is the wettest month of the year, with around 132mm of rain, nearly all of it arriving in afternoon or evening thunderstorms that can be spectacular to watch rolling in off the horizon.

High 25°C (77°F)
Low 14°C (58°F)
Rainfall 132mm
Crowds high
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February

Storms remain frequent. Afternoons clear quickly. The evenings feel fresh.

High 25°C (78°F)
Low 14°C (58°F)
Rainfall 102mm
Crowds high through early February, then ease noticeably
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March

The air carries a touch less weight than it did in January, and the afternoons have a quality of late-summer light that is rather appealing.

High 24°C (75°F)
Low 13°C (56°F)
Rainfall 94mm
Crowds medium
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April

The city is dry and clear, and visitor numbers are at medium-low, making April one of the more underrated months to visit Johannesburg.

High 21°C (71°F)
Low 10°C (51°F)
Rainfall 43mm
Crowds medium-low
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May

Crowd levels are low. Johannesburg takes on a quieter, locals-heavy character that is worth experiencing.

High 19°C (67°F)
Low 7°C (45°F)
Rainfall 20mm
Crowds low
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June

This is a low-crowd month that suits travellers who prefer Johannesburg without the summer humidity or the holiday rush.

High 17°C (63°F)
Low 4°C (40°F)
Rainfall 8mm
Crowds low
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July

Certain tourist sites draw moderate numbers of international visitors from the northern hemisphere's summer, but overall crowd levels remain low to medium and the city feels unhurried.

High 17°C (62°F)
Low 4°C (39°F)
Rainfall 3mm
Crowds low to medium
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August

There is a shift in energy as Johannesburg starts to warm. Spring is visible in the returning blossom on some of the city's trees, and the light changes subtly. Crowd levels are low, and this is arguably the finest month for outdoor photography given the combination of clear winter air and warming afternoons.

High 20°C (68°F)
Low 6°C (43°F)
Rainfall 5mm
Crowds low
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September

Crowd levels climb to medium as the jacaranda season draws visitors from across South Africa.

High 23°C (74°F)
Low 9°C (49°F)
Rainfall 15mm
Crowds medium
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October

The jacaranda bloom peaks early in the month, coating streets and parks in purple, and then the first of the summer rains begin arriving. October typically sees around 69mm. Crowd levels are medium to high, and Johannesburg in October is as photogenic as it gets.

High 25°C (77°F)
Low 11°C (53°F)
Rainfall 69mm
Crowds medium to high
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November

Johannesburg is green and energetic, visitor numbers build toward the high-season peak, and the city's outdoor restaurant culture comes fully back to life.

High 25°C (77°F)
Low 13°C (55°F)
Rainfall 102mm
Crowds high
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December

Johannesburg is busy with domestic and international visitors, and the city carries a festive, end-of-year atmosphere that is worth experiencing if crowds do not put you off.

High 25°C (77°F)
Low 14°C (58°F)
Rainfall 130mm
Crowds high
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