The climate in Onomichi during June can be summarized as warm, humid and very wet.
June is in the summer in Onomichi and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 18°C (64°F) is normal.
|Daytime temperature||25.7°C 78.2°F|
|Nightly temperature||17.6°C 63.6°F|
|Average temperature||21.6°C 70.9°F|
|Daily sunshine||5.7 hrs|
|Avg rainfall||207 mm 8.2 ins|
|Rainy days||16 days|
|Sea temperature||21.8°C 71.3°F|
|Windspeed||6.1kph 4 mph|
On average June is the wettest month of the year in Onomichi with around 207mm 8.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Onomichi in June 2023.
|Hottest month:||August||31.1°C 88°F|
|Driest month:||December||28mm 1.1ins|
|Coldest month:||January||7.7°C 45.9°F|
|Wettest month:||June||207mm 8.1ins|