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

Monthly weather forecast and climate
Incheon, South Korea

January, like December, in Incheon, South Korea, is another cold winter month, with temperature in the range of an average low of -5.4°C (22.3°F) and an average high of 1.7°C (35.1°F). 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. Weather in January »
February, the last month of the winter, in Incheon, is another cold month, with average temperature fluctuating between -3.1°C (26.4°F) and 4.4°C (39.9°F). In February, the average high-temperature is essentially the same as in January - a still wintry 4.4°C (39.9°F). Weather in February »

The first month of the spring, March, is a chilly month in Incheon, South Korea, with average temperature ranging between min 1.7°C (35.1°F) and max 9.6°C (49.3°F). In Incheon, the average high-temperature increases, 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 an enjoyable spring month in Incheon, South Korea, with average temperature varying between 16.1°C (61°F) and 7.6°C (45.7°F). In April, the average high-temperature increases, from a frosty 9.6°C (49.3°F) in March, to a comfortable 16.1°C (61°F). Weather in April »

The last month of the spring, May, is a pleasant month in Incheon, South Korea, with temperature in the range of an average high of 21.3°C (70.3°F) and an average low of 12.8°C (55°F). In Incheon, 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 »

June, the first month of the summer, in Incheon, is a moderately hot month, with average temperature fluctuating between 25.4°C (77.7°F) and 17.6°C (63.7°F). In Incheon, the average high-temperature in June slightly increases, from an agreeable 21.3°C (70.3°F) in May, to a moderately hot 25.4°C (77.7°F). Weather in June »

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

August, the last month of the summer, in Incheon, is also a moderately hot month, with average temperature varying between 22.4°C (72.3°F) and 29°C (84.2°F). August is the warmest month, with an average high-temperature of 29°C (84.2°F) and an average low-temperature of 22.4°C (72.3°F). Weather in August »

The first month of the autumn, September, is still a warm month in Incheon, South Korea, with average temperature fluctuating between 17.5°C (63.5°F) and 25.5°C (77.9°F). In Incheon, the average high-temperature in September 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 enjoyable autumn month in Incheon, South Korea, with average temperature fluctuating between 19.7°C (67.5°F) and 11°C (51.8°F). In October, the average high-temperature drops, from a moderately hot 25.5°C (77.9°F) in September, to a comfortable 19.7°C (67.5°F). Weather in October »

November, the last month of the autumn, in Incheon, is another cool month, with average temperature ranging between max 11.8°C (53.2°F) and min 3.9°C (39°F). In Incheon, the average high-temperature in November drops, from a comfortable 19.7°C (67.5°F) in October, to a fresh 11.8°C (53.2°F). Weather in November »

December, the first month of the winter, in Incheon, is also a wintry month, with temperature in the range of an average low of -2.6°C (27.3°F) and an average high of 4.7°C (40.5°F). In Incheon, the average high-temperature drops, from a fresh 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?

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

How much does it rain in Incheon?

In Incheon, South Korea, during the entire year, the rain falls for 101.9 days and collects up to 1234.5mm (48.6") of precipitation.

When is the sea coldest in Incheon?

The month with the coldest seawater in Incheon, South Korea, is February, with an average sea temperature of 3.3°C (37.9°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What month has the most sunshine in Incheon?

The month with the most sunshine in Incheon, South Korea, 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, with an average of 14.7h of daylight.

What is the most humid month in Incheon?

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

What is the rainiest month in Incheon?

July is the month with the most rainfall. Rain falls for 14.9 days and accumulates 319.6mm (12.6") of precipitation.

What is the month with the least sunshine in Incheon?

With an average of 5.1h of sunshine, July has the least sunshine of the year in Incheon.

What is the warmest month in Incheon?

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

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

The month with the warmest seawater is August, with an average sea temperature of 23.4°C (74.1°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.4°C (74.1°F).

What is the driest month in Incheon?

The month with the least rainfall in Incheon is December when the rain falls for 7.3 days and typically collects 19.3mm (0.8") of precipitation.

What is the month with the shortest days in Incheon?

December has the shortest days of the year in Incheon, South Korea, 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 lowest 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 lowest number of 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