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.
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
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