Climate in Ansan (Gyeonggi-do), South Korea

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Ansan, South Korea

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Ansan, South Korea

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* Data from: Incheon, South Korea (18 KM, 11 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Ansan, South Korea

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Ansan, South Korea

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Ansan, South Korea

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* Data from: Incheon, South Korea (18 KM, 11 Miles).

Weather Forecasts for Ansan

Thu   Mar 28
13°C | 7°C
SE 11 km/h
7.1 mm
overcast and heavy rain

overcast and heavy rain

Fri   Mar 29
13°C | 4°C
SW 18 km/h
0.7 mm
partly cloudy and rain

partly cloudy and rain

Sat   Mar 30
14°C | 2°C
NW 11 km/h
0.1 mm
partly cloudy and small chance of slight rain

partly cloudy and small chance of slight rain

The best time of year to visit Ansan in South Korea

During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • When is summer in Ansan?
    The hottest season / summer takes place in June, July, August and September.
  • Which months have the greatest rainfall in Ansan?
    Most rainfall (rainy season) is seen in July and August.
  • Which is the warmest month in Ansan?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Ansan?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Ansan?
    July tops the wettest month list with 299 mm of rainfall.
  • Which is the driest month in Ansan?
    January is the driest month with 24 mm of precipitation.
  • Which is the sunniest month in Ansan?
    May is the sunniest month with an average of 242 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.