March to May and September to November. Month by month below, with the weather, what's on and what it costs to fly there from your city.
Autumn (March to May) and spring (September to November) are named most for Johannesburg. One source dissents and picks the December to January festive season.
3 of the 10 travel guides we read name these months.
Average high and low in Johannesburg, and days with rain
JanuaryChecking fares…Peak of summer and the warmest weather of the year, about 26 C by day and 15 C at night, with likely afternoon thunderstorms.Average high about 26 C (79 F), occasional afternoon thunderstorms.One source calls the festive season the best time: hot and sunny, lush from storms, and the city is pleasantly empty as locals head to the coast.
FebruaryChecking fares…Warmth continues; afternoon thunderstorms still regular; very green.Average highs about 25 C (77 F); rainfall is common.Rainy season: heavy afternoon thunderstorms can disrupt outdoor plans, with flooded roads and humidity.
Best timeMarchChecking fares…Average highs about 24 C (75 F), less rain; Joburg Arts Alive Festival.Called Johannesburg at its best: warm days, cool evenings, fewer storms and golden trees.
Best timeAprilChecking fares…Called Johannesburg at its best: warm days, cool evenings, fewer storms and golden trees.About 22 C (72 F), generally dry, autumn colors.
Best timeMayChecking fares…Called Johannesburg at its best: warm days, cool evenings, fewer storms and golden trees.Daytime averages about 20 C (68 F), clear skies, minimal rain.Dry sunny winter days with chilly nights, often near freezing.
JuneChecking fares…Dry sunny winter days with chilly nights, often near freezing.About 16 C (61 F) by day, chilly nights.Called the worst time by one source: dry and near-freezing at night, most buildings lack central heating, dust can bother allergies.
JulyChecking fares…Dry sunny winter days with chilly nights, often near freezing.Coldest month, daytime highs about 15 C (59 F), clear skies.Called the worst time by one source: dry and near-freezing at night, most buildings lack central heating, dust can bother allergies.
AugustChecking fares…Dry sunny winter days with chilly nights, often near freezing.Temperatures rising again, averaging about 17 C (63 F).Called the worst time by one source: dry and near-freezing at night, most buildings lack central heating, dust can bother allergies.
Best timeSeptemberChecking fares…Spring arrives, about 20 C (68 F); Johannesburg Pride Festival.Spring brings blooming jacaranda trees.Africa Endeavours names September and October the best time for South Africa overall.
Best timeOctoberChecking fares…Spring brings blooming jacaranda trees.Warmer, around 23 C (73 F), with more rain.From October the city is hot with frequent short afternoon thunderstorms; plan outdoor activities for morning and midday.
Best timeNovemberChecking fares…Spring brings blooming jacaranda trees.Gateway to summer, about 25 C (77 F).From October the city is hot with frequent short afternoon thunderstorms; plan outdoor activities for morning and midday.
DecemberChecking fares…One source calls the festive season the best time: hot and sunny, lush from storms, and the city is pleasantly empty as locals head to the coast.From October the city is hot with frequent short afternoon thunderstorms; plan outdoor activities for morning and midday.Rainy season: heavy afternoon thunderstorms can disrupt outdoor plans, with flooded roads and humidity.Weather: Johannesburg averages from NOAA (1961 to 1990 averages), as listed in its climate table on Wikipedia.
Live fares from your airport. Watch them and we alert you when they drop.
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