Weather in Sei in August

General weather information about Sei

Average annual temperature is 15.8 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -5.9 °C

Number of sunny days: 129 days

Number of rainy days: 232 days

Number of snow days: 4 days

Look at detailed online map of Sei

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

Sei air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.115.721.724.727.430.733.634.832.325.025.420.1
Average daytime temperature (°C)8.59.515.918.622.425.530.831.629.521.717.012.0
Average temperature (°C)4.55.310.813.917.921.826.327.224.916.512.07.7
Average night temperature (°C)0.71.56.29.614.018.622.723.921.212.37.93.7
Absolute minimum temperature (°C)-5.9-2.0-0.33.77.612.817.621.317.37.01.5-2.3

Sei monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.010.0
Daylight mean duration (h)10.211.012.013.013.914.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.17.18.78.39.26.910.39.99.98.67.37.1
Precipitation (mm)914412223925745565188918912364
Sunny days5101513149949161213
Rainy days251516171721222721151818
Snow days130000000000

Sei - weather forecast by months

Sei weather in januarySei weather in februarySei weather in marchSei weather in aprilSei weather in maySei weather in juneSei weather in julySei weather in augustSei weather in septemberSei weather in octoberSei weather in novemberSei weather in december

Best time to visit Sei:

The largest precipitation sum in Sei is at

  • April — 239(mm)
  • May — 257(mm)
  • June — 455(mm)

    • Weather forecast in the closest to Sei admin centers

    Weather forecast in the closest towns to Sei

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    Frequently asked questions

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