Omihachiman, Japan - Weather and Climate
The weather in Omihachiman, Shiga, Japan, can vary greatly throughout the year.
Temperatures shift from very warm
to cold over the course of the year.
It is also known for its heavy rain/snowfall.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Omihachiman. Typically, average maximum daytime temperatures range from a very warm 32°C in August to a chilly 8°C in the coolest month, January.
Nights are cooler, with lows often dropping to around 0°C during the colder months.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Omihachiman has a relatively rain/snowy climate with high precipitation levels, averaging 1634 mm of rain/snowfall annually. The climate in Omihachiman shows significant variation throughout the year. Expect heavy rainfall in July, with an average of 212 mm of precipitation over 19 rainy days.
In contrast, December offers drier and sunnier days, with around 75 mm of rainfall over 20 rainy days. For more details, please visit our Omihachiman Precipitation page.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
Omihachiman offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (6.2 hours daily) and February (4.0 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average monthly humidity
The relative humidity is high throughout the year in Omihachiman.
The city experiences its highest humidity in July, reaching 70%. In April, the humidity drops to its lowest level at 60%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Omihachiman
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Omihachiman 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:
The hottest season / summer takes place in June, July, August and September.
Most rainfall (rainy season) is seen in May, June, July, September and October.
August has an average maximum temperature of 32°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
July tops the wettest month list with 212 mm of rainfall.
December is the driest month with 75 mm of precipitation.
August is the sunniest month with an average of 185 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.
