Best year time to visit Nagano Shi

General weather information about Nagano Shi

Average annual temperature is 11.3 °C

Absolute maximum temperature: 33.3 °C

Absolute minimum temperature: -23.1 °C

Number of sunny days: 126 days

Number of rainy days: 211 days

Number of snow days: 28 days

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* Weather data for Nagano Shi Japan is based on climate observations for 2026 year

Nagano Shi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.313.219.823.929.027.530.932.933.322.622.317.5
Average daytime temperature (°C)3.95.112.816.019.923.427.930.927.717.512.97.3
Average temperature (°C)-2.1-0.45.89.513.618.423.025.221.811.56.91.4
Average night temperature (°C)-6.5-4.20.84.38.614.318.920.718.07.32.9-2.2
Absolute minimum temperature (°C)-23.1-10.2-6.1-2.10.56.515.118.010.83.7-4.4-9.4

Nagano Shi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.014.012.011.010.09.0
Daylight mean duration (h)10.010.812.013.114.114.614.413.512.411.310.29.7
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)6.97.38.88.99.28.39.711.59.28.97.56.9
Precipitation (mm)66911071211732251635613372114112
Sunny days11101316157664121610
Rainy days8918141623252526191414
Snow days1290000000007

Nagano Shi - weather forecast by months

Nagano Shi weather in januaryNagano Shi weather in februaryNagano Shi weather in marchNagano Shi weather in aprilNagano Shi weather in mayNagano Shi weather in juneNagano Shi weather in julyNagano Shi weather in augustNagano Shi weather in septemberNagano Shi weather in octoberNagano Shi weather in novemberNagano Shi weather in december

Best time to visit Nagano Shi:

The best time to visit Nagano Shi during the most sunny months:

  • August — 11.5(h)

The largest precipitation sum in Nagano Shi is at

  • May — 173(mm)
  • June — 225(mm)
  • July — 163(mm)

    • Weather forecast in the closest to Nagano Shi admin centers

    Weather forecast in the closest towns to Nagano Shi

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    Frequently asked questions

    When is the best time to visit Nagano Shi?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Nagano Shi.
    What is the weather like in Nagano Shi?
    See average temperature, rainfall and daylight hours for Nagano Shi by month in the table above.
    How many sunny days does Nagano Shi have?
    The monthly weather statistics above show sunshine and rainfall patterns for Nagano Shi throughout the year.