Onomichi Climate by Month
The climate in Onomichi is marked by big temperature swings throughout the year.
Temperatures range from very warm during the warmest months
to cold in the cooler months.
It is also known for its large amounts of rain/snowfall.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
In Onomichi, temperatures differ significantly between summer and winter months. Typically, daytime temperatures range from a very warm 33°C in August to a chilly 11°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 3°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Onomichi experiences significant rain/snowfall throughout the year, averaging 1370 mm of precipitation annually. The climate in Onomichi shows significant variation throughout the year. Expect heavy rainfall in June, with an average of 203 mm of precipitation over 16 rainy days. In contrast, January offers drier and sunnier days, with around 56 mm of rainfall over 16 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Onomichi offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (7.1 hours daily) and January (4.6 hours daily) provides a bit of variety for visitors and residents.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is low throughout the year in Onomichi.
Relative humidity over the year
Average wind speed
The mean wind speed over the year in Onomichi ranges from 1°C in July to 3°C in October.
The mean monthly wind speed over the year (meters per second)
The best time of year to visit Onomichi in Japan
During the months of May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in June, July and September.
August has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 11°C.
June tops the wettest month list with 203 mm of rainfall.
January is the driest month with 56 mm of precipitation.
May is the sunniest month with an average of 212 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
