The weather in Waikiki in May is very hot. The average temperatures are between 23°C and 26°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Waikiki during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Waikiki in May 2025.
If you’re planning to visit Waikiki in the near future, we highly recommend that you review the 14 day weather forecast for Waikiki before you arrive.
Temperatures
26° / 23°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
37
mm
Sun Hours
6.2
Hrs