The weather in Kawaguchi in August is very hot. The average temperatures are between 25°C and 32°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of August in Kawaguchi. 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 Kawaguchi in August 2025.
If you’re planning to visit Kawaguchi in the near future, we highly recommend that you review the 14 day weather forecast for Kawaguchi before you arrive.
Temperatures
32° / 25°
Rainy Days
8
Snowy Days
0
Dry Days
23
Rainfall
135
mm
Sun Hours
6.2
Hrs
