The Southampton Eastleigh to Okayama flight path was viewed by 41 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
Expected rainfall in Southampton is less than in Okayama. You can expect this to be the case over the next 14 days.
You can imagine temperatures to be in the 33 °C range in August. The weather in Okayama is generally hotter than Southampton's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.