The weather in Hilo in July is hot. The average temperatures are between 20°C and 24°C.
You can expect a few rainy days in Hilo during July, but usually the weather is comfortable in July.
Our weather forecast can give you a great sense of what weather to expect in Hilo in July 2025.
If you’re planning to visit Hilo in the near future, we highly recommend that you review the 14 day weather forecast for Hilo before you arrive.
Temperatures
24° / 20°
Rainy Days
2
Snowy Days
0
Dry Days
29
Rainfall
89
mm
Sun Hours
11.0
Hrs
