Weather in Koshi in April

General weather information about Koshi

Average annual temperature is 22.0 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: 7.8 °C

Number of sunny days: 101 days

Number of rainy days: 264 days

Look at detailed online map of Koshi

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

Koshi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)23.822.524.725.530.330.231.331.631.330.328.425.1
Average daytime temperature (°C)17.519.020.523.125.327.830.329.730.326.523.020.0
Average temperature (°C)15.416.618.020.522.725.328.127.527.523.820.517.6
Average night temperature (°C)13.814.816.018.420.723.726.225.725.522.018.715.8
Absolute minimum temperature (°C)7.811.911.614.316.820.924.024.223.919.014.111.1

Koshi monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)10.611.212.012.813.513.913.713.112.311.510.810.4
Daylight minimum duration (h)10.010.011.012.013.013.013.012.011.011.010.010.0
Sunshine mean duration (h)6.06.17.78.58.77.410.79.310.99.08.75.9
Precipitation (mm)105103203236171534128441808150102
Sunny days171399114000141311
Rainy days141522212026313130171720
Snow days000000000000

Best time to visit Koshi:

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

  • July — 10.7(h)
  • September — 10.9(h)

The largest precipitation sum in Koshi is at

  • April — 236(mm)
  • June — 534(mm)
  • August — 441(mm)
  • Frequently asked questions

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