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Shinano Weather and Climate: A Comprehensive Guide

Shinano 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 maximum day and minimum night temperature

The climate in Shinano is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 29°C in August to a chilly 3°C in the coolest month, January.

Nights are cooler, with lows often dropping to around -5°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Shinano has a notably wet climate with abundant precipitation, recording 2319 mm of rain/snowfall per year. Shinano offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between July (286 mm) and April (136 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

Shinano 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. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Nagano, Japan (18 KM, 11 Miles).

Daily hours of sunshine

Data from: Nagano, Japan (18 KM, 11 Miles).

Forecast for Shinano

Sun   Jan 12
3°C | -5°C
SW 1 m/s
2.7 mm
overcast and  chance of sleet

overcast and chance of sleet

Mon   Jan 13
2°C | -6°C
N 2 m/s
6.9 mm
partly cloudy and  chance of snow

partly cloudy and chance of snow

Tue   Jan 14
4°C | -4°C
W 1 m/s
partly cloudy and no rain

partly cloudy and no rain

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Shinano 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.

The average rainfall figures in Shinano are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose May which is the sunniest month of the year.

Other facts from our historical weather data:
  • Which is the warmest month in Shinano?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Shinano?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Shinano?
    July tops the wettest month list with 286 mm of rainfall.
  • Which is the driest month in Shinano?
    April is the driest month with 136 mm of precipitation.
  • Which is the sunniest month in Shinano?
    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.