Best year time to visit Ōishimachi

General weather information about Ōishimachi

Average annual temperature is 16.7 °C

Absolute maximum temperature: 36.4 °C

Absolute minimum temperature: -4.6 °C

Number of sunny days: 146 days

Number of rainy days: 216 days

Number of snow days: 3 days

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

Ōishimachi air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)19.317.824.126.029.030.334.336.433.427.627.622.3
Average daytime temperature (°C)10.112.417.420.324.027.030.833.030.223.218.212.5
Average temperature (°C)5.37.311.715.119.223.027.128.325.517.512.67.8
Average night temperature (°C)1.32.96.710.615.119.623.924.521.912.88.03.7
Absolute minimum temperature (°C)-4.6-2.3-1.64.77.914.221.922.319.17.72.3-2.8

Ōishimachi 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)10.211.012.013.013.914.314.113.412.411.410.510.0
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)6.66.77.78.08.57.18.410.59.29.07.66.2
Precipitation (mm)8476127208243324242193138355651
Sunny days14131814135548211912
Rainy days161513161825262722101117
Snow days100000000002

Ōishimachi - weather forecast by months

Ōishimachi weather in januaryŌishimachi weather in februaryŌishimachi weather in marchŌishimachi weather in aprilŌishimachi weather in mayŌishimachi weather in juneŌishimachi weather in julyŌishimachi weather in augustŌishimachi weather in septemberŌishimachi weather in octoberŌishimachi weather in novemberŌishimachi weather in december

Best time to visit Ōishimachi:

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

  • August — 10.5(h)

The largest precipitation sum in Ōishimachi is at

  • April — 208(mm)
  • May — 243(mm)
  • June — 324(mm)
  • July — 242(mm)
  • August — 193(mm)

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    Frequently asked questions

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