ClimateForecastDecemberJanuary >>

Tsumagoi Climate by Month

Tsumagoi 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 Tsumagoi 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 3°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -6°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Tsumagoi has a notably wet climate with abundant precipitation, recording 1605 mm of rain/snowfall per year. The climate in Tsumagoi shows significant variation throughout the year. Expect heavy rainfall in July, with an average of 219 mm of precipitation over 23 rainy days.

In contrast, November offers drier and sunnier days, with around 79 mm of rainfall over 15 rainy days.

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

Sunshine over the year

Tsumagoi offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between May (7.0 hours daily) and January (4.3 hours daily) provides a bit of variety for visitors and residents.

Monthly hours of sunshine

Data from: Nagano, Japan (31 KM, 19 Miles).

Daily hours of sunshine

Data from: Nagano, Japan (31 KM, 19 Miles).

The best time of year to visit Tsumagoi 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 Tsumagoi?
    Most rainfall (rainy season) is seen in June, July, August, September and October.
  • Which is the warmest month in Tsumagoi?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Tsumagoi?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Tsumagoi?
    July tops the wettest month list with 219 mm of rainfall.
  • Which is the driest month in Tsumagoi?
    November is the driest month with 79 mm of precipitation.
  • Which is the sunniest month in Tsumagoi?
    May is the sunniest month with an average of 209 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 Tsumagoi

    Fri   Dec 13
    1°C | -12°C
    W 7 km/h
    overcast and no rain

    overcast and no rain

    Sat   Dec 14
    -3°C | -10°C
    NW 11 km/h
    10 mm
    partly cloudy and snow

    partly cloudy and snow

    Sun   Dec 15
    0°C | -12°C
    W 18 km/h
    broken clouds and no rain

    broken clouds and no rain