Seoul Monthly Climate Averages
Seoul is located in humid continental climate zone that is known for significant seasonal temperature variations warm or even hot summer and cold winter with roughly similar amounts of rainfall.
To help you choose the best time to travel, you can find climate data below on the weather in Seoul .
Best time with the soft weather for the sightseeing and long walks in Seoul are May, June, September, October.
Temperature in Seoul
The table shows that the hottest months in Seoul are August and July, during which the average daytime temperature reaches +29.6°C and the nighttime temperature falls to +22.4°C.
The coldest months are January and December, when the daily average temperature falls to +1.5°C, and drops to -5.9°C during the night.
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The largest amount of precipitation falls on average in July and August, up to 395mm, and the least in January and December — up to 21mm.