Best year time to visit Seiyo Shi

General weather information about Seiyo Shi

Average annual temperature is 15.8 °C

Absolute maximum temperature: 34.5 °C

Absolute minimum temperature: -4.9 °C

Number of sunny days: 139 days

Number of rainy days: 222 days

Number of snow days: 4 days

Look at detailed online map of Seiyo Shi

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

Seiyo Shi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)20.117.123.326.029.931.434.534.333.427.425.622.0
Average daytime temperature (°C)9.211.117.219.723.626.130.931.030.322.517.611.8
Average temperature (°C)4.75.811.014.118.221.626.126.625.016.412.27.1
Average night temperature (°C)1.21.25.89.113.617.822.523.421.111.58.12.9
Absolute minimum temperature (°C)-4.9-4.1-2.52.66.412.818.020.815.35.8-0.2-2.7

Seiyo Shi 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)10.211.012.013.013.914.314.113.412.411.310.410.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.67.38.78.18.96.210.210.19.68.87.76.7
Precipitation (mm)806810325625234212221291217176
Sunny days12141819141131620138
Rainy days181413111719283024111720
Snow days100000000003

Best time to visit Seiyo Shi:

The largest precipitation sum in Seiyo Shi is at

  • April — 256(mm)
  • May — 252(mm)
  • June — 342(mm)
  • August — 212(mm)
  • Frequently asked questions

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