ClimateForecastDecemberJanuary >>

Omihachiman Climate by Month

The temperature in Omihachiman can vary greatly throughout the year. The temperatures shift from very warm to cold. It is also known for its large amounts of rain/snowfall. Let's now guide you through the climate details for a complete overview.

Average day and night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Omihachiman. Typically, 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 temperatures generally dropping to 0°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

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.

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

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.

Monthly hours of sunshine

Data from: Kyoto, Japan (33 KM, 20 Miles).

Daily hours of sunshine

Data from: Kyoto, Japan (33 KM, 20 Miles).

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.

    Forecast for Omihachiman

    Thu   Dec 12
    10°C | 5°C
    N 18 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Dec 13
    12°C | 2°C
    SW 11 km/h
    broken clouds and no rain

    broken clouds and no rain

    Sat   Dec 14
    10°C | 4°C
    NW 18 km/h
    1.3 mm
    partly cloudy and rain

    partly cloudy and rain