Normally, average daily temperatures in Windhoek through the month of May is 15. You can expect highs around 23 with lows around 10. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 23 |
| Low Temperature | 10 |
| Sunshine Per Day | 11 |
Useful Links: Windhoek Weather: Average Weather & Yearly Climate