Best year time to visit Onsu

General weather information about Onsu

Average annual temperature is 13.4 °C

Absolute maximum temperature: 34.3 °C

Absolute minimum temperature: -14.2 °C

Number of sunny days: 191 days

Number of rainy days: 162 days

Number of snow days: 12 days

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* Weather data for Onsu South Korea is based on climate observations for 2026 year

Onsu air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.411.724.726.927.834.332.634.330.223.022.817.4
Average daytime temperature (°C)3.87.215.418.123.427.528.730.226.319.811.55.9
Average temperature (°C)-0.61.88.812.618.022.125.226.222.314.87.22.1
Average night temperature (°C)-4.5-1.93.87.913.718.322.623.019.110.73.1-1.4
Absolute minimum temperature (°C)-14.2-5.5-2.72.37.515.119.419.113.95.5-5.0-13.4

Onsu monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.014.014.013.012.011.010.09.0
Daylight mean duration (h)10.010.912.013.114.114.614.413.512.411.310.39.7
Daylight minimum duration (h)9.010.011.012.013.014.014.012.011.010.09.09.0
Sunshine mean duration (h)7.27.89.47.78.310.07.29.17.38.47.15.2
Precipitation (mm)29232901812575872643681279112
Sunny days2026241717124612221516
Rainy days6271314182725189149
Snow days500000000016

Onsu - weather forecast by months

Onsu weather in januaryOnsu weather in februaryOnsu weather in marchOnsu weather in aprilOnsu weather in mayOnsu weather in juneOnsu weather in julyOnsu weather in augustOnsu weather in septemberOnsu weather in octoberOnsu weather in novemberOnsu weather in december

Best time to visit Onsu:

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

  • June — 10.0(h)

The largest precipitation sum in Onsu is at

  • June — 257(mm)
  • July — 587(mm)
  • August — 264(mm)
  • September — 368(mm)

    • Weather forecast in the closest to Onsu admin centers

    Weather forecast in the closest towns to Onsu

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    Frequently asked questions

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