Best year time to visit Biwa

General weather information about Biwa

Average annual temperature is 8.3 °C

Absolute maximum temperature: 33.9 °C

Absolute minimum temperature: -18.5 °C

Number of sunny days: 124 days

Number of rainy days: 187 days

Number of snow days: 54 days

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

Biwa air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.66.916.019.326.329.932.833.930.323.318.812.0
Average daytime temperature (°C)-4.8-2.96.312.418.222.926.027.523.815.89.30.2
Average temperature (°C)-9.2-6.91.56.912.017.721.523.419.411.25.1-4.3
Average night temperature (°C)-13.0-10.6-2.83.07.213.517.920.516.17.61.4-8.3
Absolute minimum temperature (°C)-17.2-15.7-10.5-4.1-0.56.312.014.310.40.8-7.7-18.5

Biwa monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.76.67.47.910.09.58.68.57.97.35.75.8
Precipitation (mm)234360136371071041061531038241
Sunny days166157131249691215
Rainy days111222181827222422164
Snow days142141000000212

Biwa - weather forecast by months

Biwa weather in januaryBiwa weather in februaryBiwa weather in marchBiwa weather in aprilBiwa weather in mayBiwa weather in juneBiwa weather in julyBiwa weather in augustBiwa weather in septemberBiwa weather in octoberBiwa weather in novemberBiwa weather in december

Best time to visit Biwa:

The best time to visit Biwa during the most sunny months:

  • May — 10.0(h)

Months with the longest average daylight duration in Biwa:

  • June — 15.4(h)

The largest precipitation sum in Biwa is at

  • April — 136(mm)
  • June — 107(mm)
  • August — 106(mm)
  • September — 153(mm)

    • Weather forecast in the closest to Biwa admin centers

    Weather forecast in the closest towns to Biwa

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    Frequently asked questions

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