The climate in Onomichi during August can be summarized as hot, humid and a little damp.
August is in the summer in Onomichi and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 23°C (73°F) is normal.
|Daytime temperature||31.3°C 88.3°F|
|Nightly temperature||22.9°C 73.2°F|
|Average temperature||27.1°C 80.8°F|
|Daily sunshine||7.5 hrs|
|Avg rainfall||99 mm 3.9 ins|
|Rainy days||13 days|
|Sea temperature||27.3°C 81.1°F|
|Windspeed||6.5kph 4 mph|
On average August is the 6th wettest month of the year in Onomichi with around 99mm 3.9 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.5 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 August 2019.
|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|