The weather in Hamamatsu in July is very hot. The average temperatures are between 23°C and 28°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of July in Hamamatsu. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Hamamatsu in July 2025.
If you’re planning to visit Hamamatsu in the near future, we highly recommend that you review the 14 day weather forecast for Hamamatsu before you arrive.
Temperatures
28° / 23°
Rainy Days
13
Snowy Days
0
Dry Days
18
Rainfall
421
mm
Sun Hours
9.8
Hrs
