ClimateForecastDecemberJanuary >>

Shirako Climate by Month

The climate in Shirako 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 also has a relatively rainy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Shirako, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C in August to a chilly 11°C in January. Nighttime temperatures can drop, with averages reaching 5°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Shirako experiences significant rainfall throughout the year, averaging 1667 mm of precipitation annually. The seasons in Shirako, bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 224 mm of precipitation. This rainfall is distributed across 17 rainy days.

In contrast, the driest month, December, experiences much less rainfall, totaling 87 mm over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

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

Sunshine over the year

Shirako enjoys sunny spells year-round. January sees up to 6.4 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 4.1 hours of sun despite this cloudier time of the year.

Monthly hours of sunshine

Data from: Chiba, Japan (30 KM, 18 Miles).

Daily hours of sunshine

Data from: Chiba, Japan (30 KM, 18 Miles).

The best time of year to visit Shirako in Japan

During the months of May, June 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 Shirako?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Shirako?
    Most rainfall (rainy season) is seen in June, September and October.
  • Which is the warmest month in Shirako?
    August has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Shirako?
    The coldest month is January with an average maximum temperature of 11°C.
  • Which is the wettest month in Shirako?
    October tops the wettest month list with 224 mm of rainfall.
  • Which is the driest month in Shirako?
    December is the driest month with 87 mm of precipitation.
  • Which is the sunniest month in Shirako?
    January is the sunniest month with an average of 193 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 Shirako

    Thu   Dec 12
    10°C | 2°C
    N 25 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Fri   Dec 13
    13°C | 1°C
    SW 22 km/h
    2.4 mm
    broken clouds and small chance of slight rain

    broken clouds and small chance of slight rain

    Sat   Dec 14
    12°C | 2°C
    NW 25 km/h
    broken clouds and no rain

    broken clouds and no rain