When planning a visit to Okayama in Japan, it helps to know that temperatures typically range from 10°C (50°F) in January up to 33°C (91°F) during the peak of August. Our detailed climate overview is based on data from Okayama, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Okayama, during the months of April, May, June and October you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 27°C (81°F).
The peak of the heat usually falls in July and August.
Precipitation in Okayama varies considerably throughout the year. The wettest conditions occur in June with 187 mm (7.4 in) of rain, while January stays relatively dry with 52 mm (2 in).
May is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
