Incheon - When to Visit

When to Incheon

Climate guide & best times to travel

Monthly Climate Data for Incheon Average temperature and rainfall by month Climate Overview -9°C 1°C 12°C 23°C 34°C Rainfall (mm) 0 168 337 Jan Jan: 2.0°C high, -4.0°C low, 15mm rain Feb Feb: 4.0°C high, -2.0°C low, 25mm rain Mar Mar: 10.0°C high, 2.0°C low, 33mm rain Apr Apr: 16.0°C high, 7.0°C low, 64mm rain May May: 21.0°C high, 13.0°C low, 97mm rain Jun Jun: 25.0°C high, 18.0°C low, 107mm rain Jul Jul: 27.0°C high, 21.0°C low, 338mm rain Aug Aug: 29.0°C high, 22.0°C low, 274mm rain Sep Sep: 25.0°C high, 18.0°C low, 130mm rain Oct Oct: 19.0°C high, 11.0°C low, 51mm rain Nov Nov: 12.0°C high, 4.0°C low, 51mm rain Dec Dec: 4.0°C high, -2.0°C low, 23mm rain Temperature Rainfall
Incheon experiences a humid continental climate with four distinct seasons. The city has cold, dry winters with temperatures dropping to the low 20s°F, while summers are hot and humid with significant rainfall during the monsoon season. The monsoon period from July to August brings the heaviest precipitation, with July receiving 13.3 inches and August 10.8 inches of rainfall. Spring (March-May) and autumn (September-November) offer the most pleasant weather conditions with moderate temperatures and lower rainfall, making these seasons ideal for most outdoor activities and sightseeing.

Best Time to Visit

Beach & Relaxation
June and September offer warm temperatures (78°F highs) with more manageable rainfall than peak summer months.
Cultural Exploration
April-May and October-November provide comfortable temperatures and lower rainfall, perfect for walking tours and outdoor cultural sites.
Adventure & Hiking
May and October are ideal with pleasant temperatures (70°F and 67°F highs respectively) and moderate rainfall for outdoor adventures.
Budget Travel
December through February offer the lowest tourist crowds despite cold weather, with minimal rainfall and potential accommodation savings.

Month-by-Month Guide

January

January is the coldest month with frigid temperatures and minimal rainfall. Clear, dry conditions dominate but require heavy winter clothing. Tourist crowds are at their lowest due to the harsh weather conditions.

35°F High
23°F Low
0.6 inches Rainfall
Low Crowds
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February

February remains very cold but shows slight warming from January. Dry conditions continue with minimal precipitation. Winter activities are still the focus, and tourist numbers remain low.

40°F High
26°F Low
1.0 inches Rainfall
Low Crowds
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March

March marks the beginning of spring with noticeably warmer temperatures. Rainfall increases slightly as the season transitions. Early spring weather makes this a shoulder season for tourism.

50°F High
35°F Low
1.3 inches Rainfall
Medium Crowds
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April

April brings pleasant spring weather with comfortable temperatures for outdoor activities. Rainfall increases but remains moderate. This marks the beginning of the popular tourist season.

61°F High
46°F Low
2.5 inches Rainfall
Medium Crowds
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May

May offers some of the year's most comfortable weather with warm temperatures and manageable rainfall. Perfect conditions for sightseeing and outdoor activities make this a popular travel month.

70°F High
55°F Low
3.8 inches Rainfall
High Crowds
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June

June brings warm summer temperatures with increasing humidity and rainfall. Pre-monsoon conditions begin to develop, but weather remains generally pleasant for most activities.

78°F High
64°F Low
4.2 inches Rainfall
High Crowds
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July

July is peak monsoon season with the highest rainfall of the year and hot, humid conditions. Heavy precipitation can affect outdoor plans, though temperatures remain warm for those who don't mind the rain.

82°F High
71°F Low
13.3 inches Rainfall
Medium Crowds
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August

August continues the monsoon pattern with very high rainfall and the year's warmest temperatures. Humidity peaks during this month, making it feel quite oppressive despite fewer tourist crowds.

84°F High
73°F Low
10.8 inches Rainfall
Medium Crowds
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September

September sees the end of monsoon season with decreasing rainfall and comfortable temperatures returning. Pleasant weather conditions make this an excellent time for travel as crowds begin to thin.

78°F High
64°F Low
5.1 inches Rainfall
High Crowds
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October

October offers ideal autumn weather with comfortable temperatures and low rainfall. Clear skies and pleasant conditions make this one of the best months for visiting Incheon.

67°F High
52°F Low
2.0 inches Rainfall
High Crowds
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November

November brings cooler autumn temperatures with continued low rainfall. Crisp, clear weather provides excellent conditions for outdoor activities before winter sets in.

53°F High
39°F Low
2.0 inches Rainfall
Medium Crowds
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December

December marks the beginning of winter with cold temperatures and minimal rainfall. Dry conditions prevail as tourist numbers drop significantly due to the cold weather.

40°F High
27°F Low
0.9 inches Rainfall
Low Crowds
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Activities in Incheon