Incheon weather and climate in 2024
Day
22 °C
Night
12 °C
Sea
12 °C
Precipitation
99 mm
in month
Rainy days
8 days
in month
Daylight
14 hours
average
Sunshine
8 hours
average
Humidity
70 %
Day
22 °C
Night
12 °C
Sea
12 °C
Precipitation
99 mm
in month
Rainy days
8 days
in month
Daylight
14 hours
average
Sunshine
8 hours
average
Humidity
70 %
Overview: Incheon
Weather charts for Incheon
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Weather overview for Incheon
Weather overview
Incheon features a humid continental climate with sharp seasonal variations. During the heart of summer, temperatures can soar up to 28 °C (82 °F), while winter drops to a chilly -6 °C (21 °F) at night. Precipitation ranges widely; the monsoon season in July brings the heaviest rainfall of 312 mm (12.26 in), contrasting starkly with the gentle 24 mm (0.96 in) in dry December. Wind speeds remain gentle for most of the year, peaking slightly in winter with an average of 3 m/s. The humidity level stays moderate to high, being most oppressive during the wet season when it can exceed 80 %.
January weather
January offers a cold start to the year in Incheon, with typical daytime highs around 2 °C (36 °F). Night temperatures frequently fall to roughly -6 °C (21 °F), making it the coldest month. This period also tends to be drier, receiving only 24 mm (0.96 in) of precipitation and approximately 5 of rainfall.
February weather
February in Incheon remains chilly but slightly milder compared to January. Daytime temperatures rise to about 5 °C (41 °F), and while it's still cold at night with an average low of -4 °C (25 °F), there are subtle signs of the upcoming spring. Precipitation increases marginally, with rain averaging 32 mm (1.26 in).
March weather
March sees a noticeable transition towards warmer days in Incheon, as the average maximum temperature reaches 10 °C (50 °F). Nighttime remains cool with an average minimum temperature of 1 °C (33 °F). As spring approaches, expect a modest increase in rainy days, totaling about 6, and rainfall measuring 51 mm (2.01 in).
April weather
With April comes a softer breeze and the scent of spring in Incheon. Temperatures bloom to an average high of 17 °C (62 °F), while the nights become more bearable at 7 °C (44 °F). Rainfall can be observed more frequently with an average of 71 mm (2.78 in) falling over 7.
May weather
May in Incheon heralds the true onset of spring, with vegetation in full bloom and temperatures peaking at a pleasant 22 °C (71 °F). As the month processes, however, expect humidity and rainfall to increase ahead of the rainy season, with up to 99 mm (3.90 in) of precipitation and nearly 8 of rainy weather.
June weather
June's embrace in Incheon is characterized by longer days bathed in soft sunshine, averaging 26 °C (79 °F), but prepare for the climb in both humidity and nocturnal temperatures, which can reach up to 17 °C (63 °F). Nights are sultry as the prelude to the monsoon intensifies, expecting 131 mm (5.17 in) of rainfall on average.
July weather
July in Incheon is the mark of the wet season, featuring sweltering day temperatures of 28 °C (82 °F). Nights are sticky and warm, averaging 21 °C (70 °F). The month is characterized by heavy rains, with a considerable 312 mm (12.26 in) falling on average over 15.
August weather
August retains the warmth of July with a high 29 °C (85 °F), but it also maintains the humidity and rainfall characteristic of Incheon's summer season. While the nights seldom cool below 22 °C (71 °F), the rain is persistent, accumulating an average of 275 mm (10.83 in).
September weather
September witnesses a gradual transition from the high humidity and rainfall. Daytime temperatures in Incheon are still warm at about 26 °C (78 °F), and as the monsoon season starts to wane, expect nearly 156 mm (6.14 in) of precipitation.
October weather
The crisp air of October ushers in the fall season in Incheon. Daytime temperatures drop to a cooler 20 °C (69 °F), providing a refreshing change. Rainfall diminishes as the month proceeds, with only 56 mm (2.20 in) expected over 6.
November weather
November sees the arrival of milder weather in Incheon, as the chill begins to set in. The average daytime temperature falls to 12 °C (54 °F), while nights can get quite cool, dropping to an average of 3 °C (38 °F). Lighter rain events are sporadic, aggregating to about 55 mm (2.16 in).
December weather
December in Incheon heralds the winter season, with temperatures further dipping––daytime averages reach just 5 °C (41 °F) and nights can be very cold at around -3 °C (27 °F). It's also one of the driest months, with minimal rainfall typically at 24 mm (0.96 in).
FAQs
How brisk are the nights in Incheon during January?
January nights in Incheon are quite brisk indeed with average lows hitting -6 °C (21 °F). Consider wrapping up in warm layers before heading out in the evening.
What's the chance of experiencing rain in Incheon during February?
In February, Incheon typically experiences an average of 4 with some form of precipitation, suggesting a fair chance of rain.
Is March significantly warmer than winter months in Incheon?
Indeed, March in Incheon is significantly warmer than the preceding winter months, with daytime temperatures gradually climbing to 10 °C (50 °F).
Can I start wearing lighter clothes in Incheon by April?
Certainly, with April's warmer day temperatures averaging 17 °C (62 °F), you can comfortably switch to lighter clothing for daytime outings in Incheon.
What weather should I anticipate in Incheon during May?
Expect a blend of pleasantly warm days with a high of 22 °C (71 °F) and an increase in humidity, which signals the coming summer in Incheon.
Is June a hot month in Incheon?
June indeed brings heat to Incheon, with daytime temperatures scaling up to 26 °C (79 °F), creating a definite summery feel.
Should I be prepared for high temperatures in Incheon throughout July?
Absolutely, July sees the mercury rising in Incheon, with an average peak temperature of 28 °C (82 °F), making it imperative to stay hydrated and wear sunscreen.
Will August in Incheon still feel like the heart of summer?
Unquestionably, August in Incheon prolongs the summer sensation with its high temperatures averaging 29 °C (85 °F) and the muggy air.
Is Incheon still warm in September?
September in Incheon remains comfortably warm with average highs around 26 °C (78 °F), indicating a mild continuation of summer weather.
What kind of weather can I expect in Incheon in October?
October in Incheon brings a crisp and inviting climate, with moderate daytime temperatures averaging 20 °C (69 °F), ideal for enjoying the outdoors.
Is November the onset of the cold season in Incheon?
Yes, with the day temperatures reducing to 12 °C (54 °F), November marks the onset of colder weather in Incheon.
Is Incheon very cold in December?
Indeed, December in Incheon ushers in the colder temperatures, with a daytime average of 5 °C (41 °F) and frigid nights around -3 °C (27 °F).
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.