The weather in Hawaii in May is very hot. The average temperatures are between 23°C and 25°C, drinking water regularly is advisable.
You can expect a few rainy days in Hawaii during May, but usually the weather is comfortable in May.
Our weather forecast can give you a great sense of what weather to expect in Hawaii in May 2025.
If you’re planning to visit Hawaii in the near future, we highly recommend that you review the 14 day weather forecast for Hawaii before you arrive.
Temperatures
25° / 23°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
55
mm
Sun Hours
11.4
Hrs
