Okayama weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Good
Best time to visit: April – June, September – November
What is the weather like in Okayama in June?
In June, Okayama is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 21.2 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 166 mm in total. The air is often humid and muggy. All in all, June is a good month for a holiday in Okayama.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 14 h 28 min04:50 – 19:18
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 17 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 75 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %40 %
- Few rainy daysweight 30 %49 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Okayama in June: quick answers
Is Okayama hot in June?
Warm rather than hot: in June, daytime highs in Okayama average 26 °C and nights cool to about 19 °C. On about 1 days the thermometer climbs to 30 °C or more.
Can you swim in Okayama in June?
Yes. In June the sea averages 21.2 °C – refreshing for a swim.
Does it rain much in Okayama in June?
Rain is frequent, with about 11 rainy days and 166 mm in total.
Okayama month by month
The whole year in OkayamaAll destinations: JapanWhere to go in JuneSea temperature in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences