Typically, the average weather in Waikiki in the course of April is 23. Average highs are typically 28 and typical average low being around 21. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 23 |
| High Temperature | 28 |
| Low Temperature | 21 |
Useful Links: Waikiki Weather: Average Weather & Yearly Climate