Weather in Hei in May

General weather information about Hei

Average annual temperature is 16.6 °C

Absolute maximum temperature: 36.1 °C

Absolute minimum temperature: -5.3 °C

Number of sunny days: 132 days

Number of rainy days: 229 days

Number of snow days: 4 days

Look at detailed online map of Hei

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

Hei air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)17.016.723.225.329.331.135.436.132.726.927.921.6
Average daytime temperature (°C)9.011.116.719.523.426.530.832.729.522.417.511.6
Average temperature (°C)5.27.011.614.618.822.627.028.125.217.713.08.0
Average night temperature (°C)1.93.57.410.715.019.423.924.822.114.09.34.7
Absolute minimum temperature (°C)-5.3-1.3-1.35.68.915.420.822.918.310.54.0-2.7

Hei 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)5.96.27.98.08.17.48.710.49.48.67.45.3
Precipitation (mm)12487116191264228257185105415798
Sunny days1310181514743421158
Rainy days161813151723272826101521
Snow days200000000002

Hei - weather forecast by months

Hei weather in januaryHei weather in februaryHei weather in marchHei weather in aprilHei weather in mayHei weather in juneHei weather in julyHei weather in augustHei weather in septemberHei weather in octoberHei weather in novemberHei weather in december

Best time to visit Hei:

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

  • August — 10.4(h)

The largest precipitation sum in Hei is at

  • April — 191(mm)
  • May — 264(mm)
  • June — 228(mm)
  • July — 257(mm)
  • August — 185(mm)

    • Weather forecast in the closest to Hei admin centers

    Weather forecast in the closest towns to Hei

    Explore Hei

    See also
    MapTrains schedule
    Plan your trip
    AccommodationExperiencesBlog

    Frequently asked questions

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