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Omihachiman Climate by Month

The graphs below provide an overview of the climate in Omihachiman (Shiga), Japan. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Forecast for Omihachiman

Sat   Jul 27
37°C | 27°C
SW 14 km/h
1.9 mm
broken clouds and thunder

broken clouds and thunder

Sun   Jul 28
36°C | 27°C
N 14 km/h
0.7 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Mon   Jul 29
35°C | 27°C
N 14 km/h
broken clouds and no rain

broken clouds and no rain

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:

  • When is summer in Omihachiman?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Omihachiman?
    Most rainfall (rainy season) is seen in May, June, July, September and October.
  • Which is the warmest month in Omihachiman?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Omihachiman?
    The coldest month is January with an average maximum temperature of 8°C.
  • Which is the wettest month in Omihachiman?
    July tops the wettest month list with 212 mm of rainfall.
  • Which is the driest month in Omihachiman?
    December is the driest month with 75 mm of precipitation.
  • Which is the sunniest month in Omihachiman?
    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.