Johannesburg in Summer — Weather & What to Expect
Summer in Johannesburg (December, January, February) averages daytime highs of 24.7°C and lows of 14.3°C, with around 398.7mm of rain across the season (49 rainy days in total). It includes some of the best months of the year to visit (December, January, February).
In the southern hemisphere, summer in Johannesburg covers December, January, February.
Summer in Johannesburg month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| December | 24.6°C | 14.1°C | 146.0mm | 19 | 9/10 |
| January | 25.1°C | 14.5°C | 123.3mm | 15 | 9/10 |
| February | 24.3°C | 14.2°C | 129.4mm | 15 | 9/10 |
What to pack for Johannesburg in summer
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Frequently Asked Questions
Is summer a good time to visit Johannesburg?
Summer in Johannesburg rates around 9/10 — excellent time to visit. Average highs are 24.7°C with 398.7mm of rain across the season.
How hot is Johannesburg in summer?
Daytime highs average 24.7°C (76.5°F) across December, January, February, with nights around 14.3°C.
What months are summer in Johannesburg?
Johannesburg is in the southern hemisphere, so summer covers December, January, February.
See also: best time to visit Johannesburg · Johannesburg annual climate · Johannesburg in spring · Johannesburg in autumn · Johannesburg in winter
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Once you know what summer in Johannesburg looks like, find out exactly what to pack for Johannesburg at 247PackingList. For currency, language and country facts, see the South Africa guide at 247CountryInfo.
Summer in Johannesburg — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in South Africa at 247Sizing before you shop.
More summer travel essentials
Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.