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 a wintry winter month, with temperature in the range of an average high of 1.7°C (35.1°F) and an average low of -5.4°C (22.3°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 ranging between min -3.1°C (26.4°F) and max 4.4°C (39.9°F). In February, the average high-temperature is practically 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 frosty month in Incheon, South Korea, with average temperature fluctuating between 9.6°C (49.3°F) and 1.7°C (35.1°F). In March, the average high-temperature rises, from a cold 4.4°C (39.9°F) in February, to a chilly 9.6°C (49.3°F). Weather in March »

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

May, the last month of the spring, in Incheon, is an agreeable month, with average temperature fluctuating between 21.3°C (70.3°F) and 12.8°C (55°F). In Incheon, the average high-temperature rises, 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 varying between 17.6°C (63.7°F) and 25.4°C (77.7°F). In June, the average high-temperature slightly increases, from an agreeable 21.3°C (70.3°F) in May, to a warm 25.4°C (77.7°F). Weather in June »

July, like June, in Incheon, South Korea, is a moderately hot summer month, with average temperature ranging between max 27.6°C (81.7°F) and min 21.5°C (70.7°F). In Incheon, South Korea, the average high-temperature is practically 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 another warm month in Incheon, South Korea, with average temperature varying between 29°C (84.2°F) and 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). In August, the average heat index is estimated at a tropical 34.5°C (94.1°F). Weather in August »

The first month of the autumn, September, is also a moderately hot month in Incheon, South Korea, with average temperature fluctuating between 17.5°C (63.5°F) and 25.5°C (77.9°F). In September, the average high-temperature slightly decreases, from a moderately hot 29°C (84.2°F) in August, to a still warm 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 11°C (51.8°F) and 19.7°C (67.5°F). In Incheon, 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 »

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

December, the first month of the winter, in Incheon, is also a wintry month, with average temperature ranging between max 4.7°C (40.5°F) and min -2.6°C (27.3°F). In December, 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?

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).

What is the least humid month in Incheon?

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

How many days does it rain in Incheon?

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

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.

What month has the most sunshine in Incheon?

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

When are the longest days in Incheon?

The month with the longest days in Incheon is June, with an average of 14.7h of daylight.

What is the most humid month in Incheon?

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

What is the wettest month in Incheon?

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

What is the month with the least sunshine in Incheon?

The month with the least sunshine is July, 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.

What month is the sea warmest in Incheon?

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

What is the driest month in Incheon?

December is the month with the least rainfall in Incheon. Rain falls for 7.3 days and accumulates 19.3mm (0.8") of precipitation.

What is the month with the shortest days in Incheon?

The month with the shortest days in Incheon, South Korea, is December, 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