Incheon International Airport Climate and Average Weather
Climate of Incheon International Airport: average temperatures, rainfall and seasons month by month.
Climate in Incheon International Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 35° | 24° | 0,8 in | ★★☆☆☆ |
| February | 39° | 28° | 1,1 in | ★★★☆☆ |
| March | 48° | 36° | 1,7 in | ★★★☆☆ |
| April | 59° | 46° | 2,8 in | ★★★★☆ |
| May | 66° | 55° | 4,5 in | ★★★★☆ |
| June | 75° | 65° | 3,9 in | ★★★★☆ |
| July | 81° | 74° | 13,1 in | ★★★☆☆ |
| August | 84° | 77° | 6,1 in | ★★★☆☆ |
| September | 79° | 70° | 7,9 in | ★★★☆☆ |
| October | 67° | 56° | 3,5 in | ★★★★☆ |
| November | 53° | 42° | 2,4 in | ★★★☆☆ |
| December | 40° | 29° | 1,8 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Recent extremes in Incheon International Airport
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Incheon International Airport compares with nearby places
Annual averages, and the difference against Incheon International Airport.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Gyeongbokgung Palace | 31 mi | 55°F | about the same | 53 in |
| Busan | 215 mi | 58°F | +35°F warmer | 54 in |
| Haeundae Beach | 220 mi | 59°F | +36°F warmer | 55 in |
| Jeju Island | 274 mi | 62°F | +39°F warmer | 75 in |
| Hyeopjae Beach | 281 mi | 63°F | +40°F warmer | 58 in |
Best time to visit Incheon International Airport
Go in April, May, June and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Incheon International Airport
Today is slightly cooler than average for August. The forecast high of 82°F is 2.9°F below the 84°F typical for this month.
A 43% chance means rain is likely somewhere nearby at some point - carry a layer, but do not cancel.
Visibility is down to 1,8 mi - use low beams and leave extra following distance.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 83°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Incheon International Airport is an airport in Seoul. Incheon International Airport (ICN) is a commercial airport.
Right now it is 80°F (27°C) in Incheon International Airport with clear sky. It feels like 88°F. Today runs from 76°F to 82°F. Chance of precipitation is 43%. Sightseeing conditions score 6.7/10 - fair - plan around the weather.
The best time to visit Incheon International Airport is April, May, June and October. The climate is continental. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 84°F, while January is the coldest with lows near 24°F.
Nearby highlights include Gyeongbokgung Palace and Haeundae Beach.
In plain terms. Today is slightly cooler than average for August. The forecast high of 82°F is 2.9°F below the 84°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. outdoors is the strongest bet in Incheon International Airport today at 8.5/10. Visibility is down to 1,8 mi - use low beams and leave extra following distance.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Incheon International Airport
| Type | Airport |
|---|---|
| City | Seoul |
| Country | South Korea |
| Continent | Asia |
| Coordinates | 37°27′36.7″N 126°26′26.5″E (37.4602, 126.4407) |
| IATA code | ICN |
| Local time | 12:18 PM (UTC+09:00) |
| Best months | April, May, June and October |
| Climate | Continental |
Weather map for Incheon International Airport
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Incheon International Airport
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Incheon International Airport?
Incheon International Airport is an airport in Seoul. Its coordinates are 37.4602, 126.4407. It lies in Asia.
What is the weather like in Incheon International Airport right now?
It is currently 80°F (27°C) with clear sky. Humidity is 84% and wind is 7 mph.
When is the best time to visit Incheon International Airport?
April, May, June and October offer the most comfortable conditions in Incheon International Airport, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Incheon International Airport in?
Incheon International Airport observes Asia/Seoul (UTC+09:00). The local time is 12:18 PM.
What are the top things to do in Incheon International Airport?
Popular options include Gyeongbokgung Palace and Haeundae Beach.
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| Place data | USPOTUS Atlas dataset (airports) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 23, 2026 at 12:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
