Weather in Kōya in May

General weather information about Kōya

Average annual temperature is 11.7 °C

Absolute maximum temperature: 30.1 °C

Absolute minimum temperature: -11.6 °C

Number of sunny days: 111 days

Number of rainy days: 233 days

Number of snow days: 21 days

Look at detailed online map of Kōya

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

Kōya air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.013.119.223.124.927.629.630.129.121.721.015.6
Average daytime temperature (°C)3.04.711.815.118.522.127.727.325.516.812.27.1
Average temperature (°C)-0.70.87.09.914.018.222.823.021.012.38.03.3
Average night temperature (°C)-4.3-2.93.05.810.215.019.120.117.78.84.4-0.2
Absolute minimum temperature (°C)-11.6-8.7-4.00.74.59.516.217.913.93.8-0.9-6.8

Kōya 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)6.76.58.38.18.56.910.69.29.78.67.16.5
Precipitation (mm)9470130200209445562807212313586
Sunny days10101691098261399
Rainy days111414212121232924182116
Snow days1041000000006

Best time to visit Kōya:

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

  • July — 10.6(h)

The largest precipitation sum in Kōya is at

  • April — 200(mm)
  • May — 209(mm)
  • June — 445(mm)
  • August — 280(mm)
  • Frequently asked questions

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