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

August weather forecast and climate
Incheon, South Korea

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).

Temperature

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).

Heat index

In August, the average heat index is estimated at a tropical 34.5°C (94.1°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, differences in body mass, height, and shape, clothing). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In August, the average relative humidity in Incheon is 79.1%.

Rainfall

In Incheon, during 12.5 rainfall days, 285.8mm (11.3") of precipitation is typically accumulated. In Incheon, during the entire year, the rain falls for 101.9 days and collects up to 1234.5mm (48.6") of precipitation.

Sea temperature

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

Daylight

The average length of the day in Incheon is 13.6h.

Sunshine

In Incheon, the average sunshine in August is 6.2h.

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 is the temperature in August in Incheon?

The average high-temperature, in August, in Incheon, South Korea, is 29°C (84.2°F), while the average low-temperature is 22.4°C (72.3°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), that combines air temperature and relative humidity, in August is evaluated at 34.5°C (94.1°F).

What is the average humidity in August in Incheon?

The average relative humidity in August in Incheon is 79.1%.

How much does it rain in Incheon in August?

In August, in Incheon, South Korea, the rain falls for 12.5 days. Throughout August, 285.8mm (11.3") of precipitation is accumulated.

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 in Incheon.

How warm is the water in August in Incheon?

In August, the average sea temperature in Incheon, South Korea, is 23.4°C (74.1°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.4°C (74.1°F) water may be enjoyable.

What is the average length of the day in August in Incheon?

In August, the average length of the day in Incheon, South Korea, is 13.6h.

How many hours of sunshine does Incheon have in August?

The average sunshine in August in Incheon, South Korea, is 6.2h.
Average temperature in August - Incheon, South Korea
  • Average high temperature in August: 29°C

The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (1.7°C).

  • Average low temperature in August: 22.4°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).

Average humidity in August - Incheon, South Korea
  • Average humidity in August: 79.1%

The month with the highest relative humidity is July (82.2%).
The month with the lowest relative humidity is January (61.5%).

Average rainfall in August - Incheon, South Korea
  • Average rainfall in August: 285.8mm

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 in August - Incheon, South Korea
  • Average rainfall days in August: 12.5 days

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 in August - Incheon, South Korea
  • Average sea temperature in August: 23.4°C

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 in August / Average sunshine in August - Incheon, South Korea
  • Average daylight in August: 13.6h

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

  • Average sunshine in August: 6.2h

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