Johannesburg: Weather Guide & Climate
Complete month-by-month weather guide: Johannesburg. Best time to visit: May, June, July, August, September. Plan your trip with detailed climate data.
Climate Overview
Johannesburg has a warm climate with average yearly highs of 22°C, lows of 10°C, and approximately 8 rainy days per month.
The best time to visit Johannesburg is during May, June, July, August, September, when temperatures are comfortable and rainfall is moderate
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Air Quality
Best Time
May, Jun, Jul, Aug, Sep
Hottest
Coldest
Driest Month
Forecast for your trip dates
Up to 16 days ahead| Month | High | Low | Rainy days | Condition |
|---|---|---|---|---|
| January | 26°C | 15°C | 13 | Wet |
| February | 25°C | 14°C | 10 | Good |
| March | 23°C | 12°C | 11 | Good |
| April | 20°C | 10°C | 9 | Good |
| May | 20°C | 6°C | 0 | Excellent (best) |
| June | 16°C | 3°C | 2 | Excellent (best) |
| July | 17°C | 3°C | 0 | Excellent (best) |
| August | 19°C | 5°C | 0 | Excellent (best) |
| September | 24°C | 9°C | 3 | Excellent (best) |
| October | 26°C | 13°C | 8 | Good |
| November | 25°C | 14°C | 16 | Wet |
| December | 25°C | 15°C | 23 | Wet |
Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025
Weather by Season
Winter
Dec–Feb
High: 17°C
Low: 4°C
Rainy days: 1 days/month
Spring
Mar–May
High: 25°C
Low: 12°C
Rainy days: 9 days/month
Summer
Jun–Aug
High: 25°C
Low: 15°C
Rainy days: 15 days/month
Autumn
Sep–Nov
High: 21°C
Low: 9°C
Rainy days: 7 days/month
Month-by-Month Weather Table
January
February
March
April
May
BestJune
BestJuly
BestAugust
BestSeptember
BestOctober
November
December
| Month | High | Low | Rainy days | Condition | View Details |
|---|---|---|---|---|---|
| January | 26°C | 15°C | 13 | Wet | View Details → |
| February | 25°C | 14°C | 10 | Good | View Details → |
| March | 23°C | 12°C | 11 | Good | View Details → |
| April | 20°C | 10°C | 9 | Good | View Details → |
| May (best) | 20°C | 6°C | 0 | Excellent | View Details → |
| June (best) | 16°C | 3°C | 2 | Excellent | View Details → |
| July (best) | 17°C | 3°C | 0 | Excellent | View Details → |
| August (best) | 19°C | 5°C | 0 | Excellent | View Details → |
| September (best) | 24°C | 9°C | 3 | Excellent | View Details → |
| October | 26°C | 13°C | 8 | Good | View Details → |
| November | 25°C | 14°C | 16 | Wet | View Details → |
| December | 25°C | 15°C | 23 | Wet | View Details → |
Johannesburg
South Africa's economic hub with Apartheid Museum, Soweto township tours, Kruger safari gateway, and vibrant urban culture.
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Common Questions
What type of climate does Johannesburg have?
Johannesburg has a Warm climate with average yearly temperatures of 22°C (highs) and 10°C (lows).
When is the best time to visit Johannesburg?
The best time to visit Johannesburg is during May, June, July, August, September, when temperatures average around 20°C and conditions are ideal for sightseeing.
What are the hottest and coldest months in Johannesburg?
The hottest month in Johannesburg is January with average highs of 26°C, while the coldest is June with average lows of 3°C.
When is the rainy season in Johannesburg?
Johannesburg sees the most rain in December (23 rainy days), while May is the driest month (0 rainy days).
More Johannesburg Guides
Best Time to Visit
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Things to Do
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Itineraries
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Overview
Complete travel guide for Johannesburg: top things to do, itineraries, and typical costs.