Best year time to visit Gaesan

General weather information about Gaesan

Average annual temperature is 13.9 °C

Absolute maximum temperature: 33.7 °C

Absolute minimum temperature: -12.4 °C

Number of sunny days: 176 days

Number of rainy days: 185 days

Number of snow days: 4 days

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

Gaesan air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)15.113.222.723.124.328.930.633.729.323.223.717.0
Average daytime temperature (°C)5.58.615.517.220.825.227.229.626.320.212.97.9
Average temperature (°C)1.13.49.612.717.021.424.426.022.715.48.53.9
Average night temperature (°C)-2.7-0.54.98.613.818.522.223.019.611.34.60.4
Absolute minimum temperature (°C)-12.4-4.6-1.82.97.515.317.819.415.95.6-3.0-8.0

Gaesan 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)10.110.912.013.114.014.414.213.412.411.310.49.9
Daylight minimum duration (h)9.010.011.012.013.014.013.012.011.010.010.09.0
Sunshine mean duration (h)7.57.18.67.27.28.25.910.38.18.77.66.1
Precipitation (mm)5638441352572143503352341910172
Sunny days23212214119158212120
Rainy days7791620213026221098
Snow days100000000003

Gaesan - weather forecast by months

Gaesan weather in januaryGaesan weather in februaryGaesan weather in marchGaesan weather in aprilGaesan weather in mayGaesan weather in juneGaesan weather in julyGaesan weather in augustGaesan weather in septemberGaesan weather in octoberGaesan weather in novemberGaesan weather in december

Best time to visit Gaesan:

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

  • August — 10.3(h)

The largest precipitation sum in Gaesan is at

  • May — 257(mm)
  • June — 214(mm)
  • July — 350(mm)
  • August — 335(mm)
  • September — 234(mm)

    • Weather forecast in the closest to Gaesan admin centers

    Weather forecast in the closest towns to Gaesan

    Explore Gaesan

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    Frequently asked questions

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