Incheon
South Korea
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Incheon, South Korea

January, the same as December, is a wintry winter month in Incheon, South Korea, with average temperature fluctuating between -5.4°C (22.3°F) and 1.7°C (35.1°F). The coldest month is January, with an average high-temperature of 1.7°C (35.1°F) and an average low-temperature of -5.4°C (22.3°F). Weather in January »

February, the last month of the winter, in Incheon, is also a wintry month, with average temperature ranging between min -3.1°C (26.4°F) and max 4.4°C (39.9°F). In February, the average high-temperature is essentially the same as in January - a still cold 4.4°C (39.9°F). Weather in February »

March, the first month of the spring, in Incheon, is a frosty month, with average temperature varying between 9.6°C (49.3°F) and 1.7°C (35.1°F). In March, the average high-temperature rises, from a wintry 4.4°C (39.9°F) in February, to a frosty 9.6°C (49.3°F). Weather in March »

April is a comfortable spring month in Incheon, South Korea, with temperature in the range of an average low of 7.6°C (45.7°F) and an average high of 16.1°C (61°F). In April, the average high-temperature rises, from a frosty 9.6°C (49.3°F) in March, to an enjoyable 16.1°C (61°F). Weather in April »

The last month of the spring, May, is an agreeable month in Incheon, South Korea, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 21.3°C (70.3°F). In May, the average high-temperature increases, from a comfortable 16.1°C (61°F) in April, to an agreeable 21.3°C (70.3°F). Weather in May »

The first month of the summer, June, is a warm month in Incheon, South Korea, with average temperature ranging between min 17.6°C (63.7°F) and max 25.4°C (77.7°F). In Incheon, the average high-temperature in June slightly increases, from a pleasant 21.3°C (70.3°F) in May, to a warm 25.4°C (77.7°F). Weather in June »

July, the same as June, is another warm summer month in Incheon, South Korea, with average temperature fluctuating between 21.5°C (70.7°F) and 27.6°C (81.7°F). In Incheon, the average high-temperature in July is almost the same as in June - a still warm 27.6°C (81.7°F). Weather in July »

The last month of the summer, August, is also a moderately hot month in Incheon, South Korea, with temperature in the range of an average high of 29°C (84.2°F) and an average low of 22.4°C (72.3°F). The warmest month is August, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 22.4°C (72.3°F). The average heat index is evaluated at a hot 34.5°C (94.1°F). Weather in August »

September, the first month of the autumn, in Incheon, is still a warm month, with average temperature varying between 17.5°C (63.5°F) and 25.5°C (77.9°F). In September, the average high-temperature slightly decreases, from a warm 29°C (84.2°F) in August, to a still moderately hot 25.5°C (77.9°F). Weather in September »

October, the same as September, is another comfortable autumn month in Incheon, South Korea, with average temperature ranging between min 11°C (51.8°F) and max 19.7°C (67.5°F). In October, the average high-temperature decreases, from a warm 25.5°C (77.9°F) in September, to an enjoyable 19.7°C (67.5°F). Weather in October »

The last month of the autumn, November, is another cool month in Incheon, South Korea, with average temperature fluctuating between 3.9°C (39°F) and 11.8°C (53.2°F). In November, the average high-temperature decreases, from an enjoyable 19.7°C (67.5°F) in October, to a fresh 11.8°C (53.2°F). Weather in November »

The first month of the winter, December, is also a wintry month in Incheon, South Korea, with average temperature varying between 4.7°C (40.5°F) and -2.6°C (27.3°F). In December, the average high-temperature decreases, from a cool 11.8°C (53.2°F) in November, to a cold 4.7°C (40.5°F). Weather in December »

What is the coldest month in Incheon?

With an average high-temperature of 1.7°C (35.1°F) and an average low-temperature of -5.4°C (22.3°F), January is the coldest month.

What is the least humid month in Incheon?

The least humid month in Incheon is January, with an average relative humidity of 61.5%.

How much does it rain in Incheon?

Throughout the year, there are 101.9 rainfall days, and 1234.5mm (48.6") of precipitation is accumulated.

What is the month with the coldest sea water in Incheon?

With an average sea temperature of 3.3°C (37.9°F), February is the month with the coldest seawater in Incheon.

What month has the most sunshine in Incheon?

The month with the most sunshine in Incheon is May, with an average of 7.5h of sunshine.

When are the longest days in Incheon?

June has the longest days of the year in Incheon, with an average of 14.7h of daylight.

What is the most humid month in Incheon?

With an average relative humidity of 82.2%, July is the most humid month.

What is the rainiest month in Incheon?

The month with the most rainfall in Incheon is July when the rain falls for 14.9 days and typically aggregates up to 319.6mm (12.58") of precipitation.

What is the month with the least sunshine in Incheon?

July has the least sunshine of the year in Incheon, South Korea, with an average of 5.1h of sunshine.

What is the warmest month in Incheon?

With an average high-temperature of 29°C (84.2°F) and an average low-temperature of 22.4°C (72.3°F), August is the warmest month in Incheon, South Korea.

What month is the sea warmest in Incheon?

The month with the warmest seawater is August, with an average sea temperature of 23.4°C (74.1°F).

What is the driest month in Incheon?

December is the month with the least rainfall in Incheon, South Korea. Rain falls for 7.3 days and accumulates 19.3mm (0.76") of precipitation.

What is the month with the shortest days in Incheon?

December has the shortest days of the year, with an average of 9.6h of daylight.
Average temperature - Incheon, South Korea
Average humidity - Incheon, South Korea
Average rainfall - Incheon, South Korea

The wettest month (with the highest rainfall) is July (319.6mm).
The driest month (with the least rainfall) is December (19.3mm).

Average rainfall days - Incheon, South Korea

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is February (5.3 days).

Average sea temperature - Incheon, South Korea

The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (3.3°C).

Average daylight / Average sunshine - Incheon, South Korea

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is May (Average sunshine: 7.5h).
The month with the least sunshine is July (Average sunshine: 5.1h).