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Shiroishi Climate by Month

Shiroishi experiences great temperature shifts. The city's weather can transition from warm days to cold weather. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Shiroishi is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a comfortable 28°C in August to a chilly 4°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

Shiroishi has a notably wet climate with abundant precipitation, recording 1446 mm of rain/snowfall per year. The climate in Shiroishi shows significant variation throughout the year. Expect heavy rainfall in July, with an average of 195 mm of precipitation over 21 rainy days. In contrast, February offers drier and sunnier days, with around 72 mm of snow/rainfall over 24 snowy/rainy days.

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

Sunshine over the year

Shiroishi offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between April (6.5 hours daily) and July (4.1 hours daily) provides a bit of variety for visitors and residents.

Monthly hours of sunshine

Data from: Sendai, Japan (41 KM, 25 Miles).

Daily hours of sunshine

Data from: Sendai, Japan (41 KM, 25 Miles).

The best time of year to visit Shiroishi in Japan

During the months of May, June and September 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:
  • Which months have the greatest rainfall in Shiroishi?
    Most rainfall (rainy season) is seen in July, August and September.
  • Which is the warmest month in Shiroishi?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Shiroishi?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Shiroishi?
    July tops the wettest month list with 195 mm of rainfall.
  • Which is the driest month in Shiroishi?
    February is the driest month with 72 mm of precipitation.
  • Which is the sunniest month in Shiroishi?
    April is the sunniest month with an average of 195 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 Shiroishi

    Sat   Nov 23
    10°C | 3°C
    SW 14 km/h
    1.5 mm
    partly cloudy and  chance of rain

    partly cloudy and chance of rain

    Sun   Nov 24
    11°C | 1°C
    W 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Nov 25
    12°C | 0°C
    W 7 km/h
    clear and no rain

    clear and no rain