Best year time to visit Asama-onsen

General weather information about Asama-onsen

Average annual temperature is 13.4 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -13.9 °C

Number of sunny days: 130 days

Number of rainy days: 210 days

Number of snow days: 25 days

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* Weather data for Asama-onsen Japan is based on climate observations for 2026 year

Asama-onsen air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)14.913.722.026.229.731.133.833.233.926.124.218.6
Average daytime temperature (°C)5.77.314.517.921.324.829.931.829.419.415.710.5
Average temperature (°C)1.12.38.011.515.520.024.625.923.513.59.44.8
Average night temperature (°C)-2.9-2.12.45.910.115.820.020.518.98.74.70.4
Absolute minimum temperature (°C)-9.4-13.9-3.70.02.38.815.917.912.82.8-0.8-6.0

Asama-onsen monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.313.512.411.310.39.7
Daylight minimum duration (h)9.010.011.012.013.014.014.012.011.010.09.09.0
Sunshine mean duration (h)7.07.18.68.79.28.29.811.39.28.67.36.6
Precipitation (mm)8812814118524826114986125113122114
Sunny days1091316148884151411
Rainy days71018141722232326161618
Snow days1490000000002

Asama-onsen - weather forecast by months

Asama-onsen weather in januaryAsama-onsen weather in februaryAsama-onsen weather in marchAsama-onsen weather in aprilAsama-onsen weather in mayAsama-onsen weather in juneAsama-onsen weather in julyAsama-onsen weather in augustAsama-onsen weather in septemberAsama-onsen weather in octoberAsama-onsen weather in novemberAsama-onsen weather in december

Best time to visit Asama-onsen:

The best time to visit Asama-onsen during the most sunny months:

  • August — 11.3(h)

The largest precipitation sum in Asama-onsen is at

  • April — 185(mm)
  • May — 248(mm)
  • June — 261(mm)

    • Weather forecast in the closest to Asama-onsen admin centers

    Weather forecast in the closest towns to Asama-onsen

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    Frequently asked questions

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