Johannesburg weather in April
April in Johannesburg: nice, rainy — an excellent time to visit.
#8 of 12 months in Johannesburg · #190 of 604 destinations to visit in April · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Johannesburg climate normals — April
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 10°C / 49°F | |
| Feels like (high) | 19°C / 66°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 67% | 💧 humid |
| Dew point | 8°C / 46°F | |
| Sunshine | 9.4 h/day | |
| Daylight | 11.5 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 80 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Johannesburg in April — FAQ
- Is April a good time to visit Johannesburg?
- April in Johannesburg: nice, rainy — an excellent time to visit. It ranks #8 of 12 months for Johannesburg on SeasonMap's comfort score (84/100).
- What is the weather like in Johannesburg in April?
- In April, Johannesburg averages a daily high of 20.8°C and a low of 9.6°C, with about 86.7 mm of rain over roughly 8.8 rainy days.
- What is the air quality in Johannesburg in April?
- Johannesburg has a mean US Air Quality Index of about 80 in April.