Best year time to visit Sannai

General weather information about Sannai

Average annual temperature is 9.7 °C

Absolute maximum temperature: 30.9 °C

Absolute minimum temperature: -13.0 °C

Number of sunny days: 80 days

Number of rainy days: 205 days

Number of snow days: 80 days

Look at detailed online map of Sannai

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

Sannai air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)6.25.311.716.421.225.026.930.926.320.217.510.3
Average daytime temperature (°C)-2.9-1.25.59.114.720.123.727.322.715.18.20.3
Average temperature (°C)-4.5-2.73.46.911.617.221.424.920.513.05.6-1.5
Average night temperature (°C)-5.9-4.21.74.98.914.819.623.118.611.33.4-3.6
Absolute minimum temperature (°C)-13.0-7.6-2.50.23.17.615.520.613.23.8-5.9-10.4

Sannai 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)9.410.511.913.414.715.315.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)5.35.98.28.110.910.59.49.48.07.45.13.6
Precipitation (mm)1211237813773111159179142163268142
Sunny days101161410889841
Rainy days851424172023232123189
Snow days222360000000821

Sannai - weather forecast by months

Sannai weather in januarySannai weather in februarySannai weather in marchSannai weather in aprilSannai weather in maySannai weather in juneSannai weather in julySannai weather in augustSannai weather in septemberSannai weather in octoberSannai weather in novemberSannai weather in december

Best time to visit Sannai:

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

  • May — 10.9(h)
  • June — 10.5(h)

Months with the longest average daylight duration in Sannai:

  • June — 15.3(h)

The largest precipitation sum in Sannai is at

  • August — 179(mm)
  • November — 268(mm)

    • Weather forecast in the closest to Sannai admin centers

    Weather forecast in the closest towns to Sannai

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    Frequently asked questions

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