Frequent average weather in Johannesburg all through April is 14. Through the month the highs are about 22 with low daily temperautes being 10 degrees celsius. We have put some more detail below here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 14 |
| High Temperature | 22 |
| Low Temperature | 10 |
| Sunshine Per Day | 11 |
Useful Links: Johannesburg Weather: Average Weather & Yearly Climate