The weather in Okayama in August is very hot. The average temperatures are between 25°C and 31°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Okayama during the month of August. 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 Okayama in August 2025.
If you’re planning to visit Okayama in the near future, we highly recommend that you review the 14 day weather forecast for Okayama before you arrive.
Temperatures
31° / 25°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
169
mm
Sun Hours
11.2
Hrs
