Best year time to visit Onnenai

General weather information about Onnenai

Average annual temperature is 8.3 °C

Absolute maximum temperature: 32.6 °C

Absolute minimum temperature: -15.8 °C

Number of sunny days: 136 days

Number of rainy days: 175 days

Number of snow days: 54 days

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

Onnenai air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)4.86.014.019.725.928.031.232.629.023.218.510.6
Average daytime temperature (°C)-4.6-3.75.811.216.321.024.126.823.115.89.30.4
Average temperature (°C)-7.9-6.71.46.610.916.520.423.019.511.85.6-3.1
Average night temperature (°C)-11.2-9.9-2.63.37.113.317.620.516.58.62.1-6.0
Absolute minimum temperature (°C)-15.8-13.6-9.2-3.60.57.511.814.411.12.8-6.0-12.3

Onnenai monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.310.511.913.414.715.415.114.012.511.09.79.0
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)6.27.07.87.710.29.79.09.08.37.35.85.8
Precipitation (mm)2636741014192104106163948541
Sunny days86169171011108111416
Rainy days231320142020212220146
Snow days21192100000029

Onnenai - weather forecast by months

Onnenai weather in januaryOnnenai weather in februaryOnnenai weather in marchOnnenai weather in aprilOnnenai weather in mayOnnenai weather in juneOnnenai weather in julyOnnenai weather in augustOnnenai weather in septemberOnnenai weather in octoberOnnenai weather in novemberOnnenai weather in december

Best time to visit Onnenai:

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

  • May — 10.2(h)

Months with the longest average daylight duration in Onnenai:

  • June — 15.4(h)

The largest precipitation sum in Onnenai is at

  • April — 101(mm)
  • July — 104(mm)
  • August — 106(mm)
  • September — 163(mm)

    • Weather forecast in the closest to Onnenai admin centers

    Weather forecast in the closest towns to Onnenai

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    Frequently asked questions

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