When is the best time to go to Seoul
The chart above shows the best time of year to visit Seoul, South Korea. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Seoul
Seoul weather by month
Please note our recommendations for when to visit Seoul are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 1°C | 22mm | 6hrs | 10.9hrs |
January is a dry month in Seoul and the temperature is generally cold.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Seoul.
January is in the winter in Seoul and is typically the coldest month of the year. Daytime maximum temperatures average around a freezing 1°C (34°F), whilst at night -8°C (18°F) is normal.
On average January is the driest month of the year in Seoul with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 3°C | 26mm | 6.8hrs | 11.7hrs |
February in Seoul is generally dry with the temperature being cold.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Seoul.
February is in the winter in Seoul and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 3°C (38°F), whilst at night -5°C (22°F) is normal.
On average February is the 2nd driest month of the year in Seoul with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 45mm | 7.6hrs | 12.8hrs |
The weather in March in Seoul is characteristically cool and reasonably dry.
Based on weather alone, this is probably a time of year to avoid going to Seoul for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Seoul and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 10°C (49°F), whilst at night -0°C (32°F) is normal.
On average March is the 3rd driest month of the year in Seoul with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 102mm | 8hrs | 14hrs |
Seoul's weather in April is typically mild and damp in nature.
Based on weather alone, this is probably a time of year to avoid going to Seoul for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
April is in the spring in Seoul and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (63°F), whilst at night 7°C (44°F) is normal.
On average April is the 4th driest month of the year in Seoul with around 102mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 21°C | 90mm | 8.6hrs | 15.1hrs |
May is a a little damp month in Seoul and the temperature is generally mild.
It is perhaps the perfect month to visit Seoul, with some surprisingly good weather at this time of year.
May is in the spring in Seoul and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 12°C (54°F) is normal.
On average May is the 5th driest month of the year in Seoul with around 90mm 3.6 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.6 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 24°C | 133mm | 7.9hrs | 10.9hrs |
June is a wet, humid month in Seoul and the temperature is generally warm.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Seoul.
June is in the summer in Seoul and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 26°C (80°F), whilst at night 17°C (63°F) is normal.
On average June is the 6th driest month of the year in Seoul with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 358mm | 5.9hrs | 11.7hrs |
July in Seoul is generally very wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Seoul for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
July is in the summer in Seoul and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 21°C (71°F) is normal.
On average July is the 6th wettest month of the year in Seoul with around 358mm 14.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 26°C | 289mm | 6.6hrs | 12.8hrs |
The weather in August in Seoul is characteristically hot, humid and very wet.
Based on weather alone, this is probably a time of year to avoid going to Seoul for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
August is in the summer in Seoul and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 29°C (85°F), whilst at night 22°C (71°F) is normal.
On average August is the 5th wettest month of the year in Seoul with around 289mm 11.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 23°C | 161mm | 7.2hrs | 14hrs |
Seoul's weather in September is typically warm, humid and wet in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Seoul.
September is in the fall / autumn in Seoul and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (78°F), whilst at night 16°C (61°F) is normal.
On average September is the 4th wettest month of the year in Seoul with around 161mm 6.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 18°C | 49mm | 7.3hrs | 15.1hrs |
October is a reasonably dry month in Seoul and the temperature is generally mild.
It is perhaps the perfect month to visit Seoul, with some very good weather at this time of year.
October is in the fall / autumn in Seoul and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 9°C (48°F) is normal.
On average October is the 3rd wettest month of the year in Seoul with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.3 hours of sunshine per day.
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 10°C | 48mm | 5.8hrs | 10.9hrs |
November is a reasonably dry month in Seoul and the temperature is generally cool.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Seoul.
November is in the fall / autumn in Seoul and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 2°C (36°F) is normal.
On average November is the 2nd wettest month of the year in Seoul with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.8 hours of sunshine per day.
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 4°C | 21mm | 5.6hrs | 11.7hrs |
December in Seoul is generally dry with the temperature being cold.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Seoul.
December is in the winter in Seoul and is typically the warmest month of the year. Daytime maximum temperatures average around a freezing 4°C (39°F), whilst at night -5°C (24°F) is normal.
On average December is the wettest month of the year in Seoul with around 21mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.6 hours of sunshine per day.
Other monthly averages
Seoul weather stats
| Hottest month: | August | 29.2°C 84.6°F |
|---|---|---|
| Driest month: | December | 21mm 0.8ins |
| Sunniest month: | October | 7.3hrs |
| Coldest month: | January | 0.9°C 33.6°F |
| Wettest month: | July | 358mm 14.1ins |
| Warmest sea: | August | 25.3°C 77.5°F |
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