Seongnam Weather and Climate: A Comprehensive Guide
The temperature in Seongnam can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and cold during the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average maximum day and minimum night temperature
Visitors to Seongnam can expect significant temperature changes throughout the year. On average, daytime temperatures range from a very warm 31°C in August to a chilly 3°C in January.
Nighttime temperatures can drop, with average lows reaching -7°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Seongnam is known for its substantial rain/snowfall, with annual precipitation reaching 1281 mm. The seasons in Seongnam, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 324 mm of precipitation. This rainfall is distributed across 16 rainy days. In contrast, the driest month, January, experiences much less snow/rainfall, totaling 23 mm over 7 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Seongnam Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Seongnam, summer days are longer and more sunny, with daily sunshine hours peaking at 7.5 hours in May. As the darker season arrives, the brightness of the sun becomes less. July sees a soft sun for only 4.1 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Seongnam.
The city experiences its highest humidity in July, reaching 77%. In February, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 2 m/s to 3 m/s. It is lower in January, February, March, May, June, July, August, September, October, November and December and higher in April.
The mean monthly wind speed over the year (meters per second)
almost clear and no rain broken clouds and chance of slight sleet partly cloudy and chance of slight rainForecast for Seongnam
2 m/s
3 m/s
3 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Seongnam in South Korea
During the months of May 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:
Most rainfall (rainy season) is seen in July and August.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 3°C.
July tops the wettest month list with 324 mm of rainfall.
January is the driest month with 23 mm of precipitation.
May is the sunniest month with an average of 225 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.
