Johannesburg weather in June
June in Johannesburg: cool, dry, with poor air quality — a great time to visit.
#12 of 12 months in Johannesburg · #336 of 604 destinations to visit in June · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Johannesburg climate normals — June
| Daytime high | 17°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 3°C / 38°F | |
| Feels like (high) | 12°C / 54°F | |
| Rainfall | 8 mm / 0.3 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 56% | 🍃 comfortable |
| Dew point | 0°C / 31°F | |
| Sunshine | 9.5 h/day | |
| Daylight | 10.5 h | |
| Wind | 15 km/h / 10 mph | |
| Air quality (US AQI) | 109 | 😷 poor |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Johannesburg in June — FAQ
- Is June a good time to visit Johannesburg?
- June in Johannesburg: cool, dry, with poor air quality — a great time to visit. It ranks #12 of 12 months for Johannesburg on SeasonMap's comfort score (79/100).
- What is the weather like in Johannesburg in June?
- In June, Johannesburg averages a daily high of 16.5°C and a low of 3.1°C, with about 7.6 mm of rain over roughly 1.8 rainy days.
- What is the air quality in Johannesburg in June?
- Johannesburg has a mean US Air Quality Index of about 109 in June.