When to go
The Best Time to Visit Johannesburg
Month-by-month climate data for Johannesburg, South Africa — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Johannesburg— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
April–September. Cool dry winter; October–March brings rain and afternoon thunderstorms, December–February peak summer heat.
Warmest in Johannesburg: Oct (26°C / 79°F) · Coolest: Jun (17°C / 63°F) · Wettest: Dec (~18 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Johannesburg climate, month by month
January
25° / 14°C
~15 rain days
Good
February
25° / 14°C
~14 rain days
Good
March
24° / 13°C
~8 rain days
Excellent
April
21° / 10°C
~7 rain days
Excellent
May
20° / 7°C
~3 rain days
Excellent
June
17° / 4°C
~2 rain days
Excellent
July
17° / 4°C
~0 rain days
Excellent
August
20° / 6°C
~1 rain days
Excellent
September
25° / 10°C
~3 rain days
Excellent
October
26° / 12°C
~7 rain days
Excellent
November
25° / 14°C
~13 rain days
Excellent
December
25° / 15°C
~18 rain days
Good
Plan around it
Dates locked in? Start from the Johannesburg travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.