Monthly weather forecast and climate
Cheonan, South Korea

Weather in January

January, like December, in Cheonan, South Korea, is another cold winter month, with average temperature ranging between min -5.7°C (21.7°F) and max 1.1°C (34°F). With an average high-temperature of 1.1°C (34°F) and an average low-temperature of -5.7°C (21.7°F), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter, in Cheonan, is also a wintry month, with average temperature ranging between min -2.8°C (27°F) and max 4.5°C (40.1°F). In February, the average high-temperature marginally rises, from 1.1°C (34°F) in January, to a still wintry 4.5°C (40.1°F). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Cheonan, South Korea, with temperature in the range of an average low of 1.3°C (34.3°F) and an average high of 10.4°C (50.7°F). In March, the average high-temperature rises, from a cold 4.5°C (40.1°F) in February, to a cool 10.4°C (50.7°F). Weather in March »

Weather in April

April is an enjoyable spring month in Cheonan, South Korea, with average temperature ranging between max 16.5°C (61.7°F) and min 5.9°C (42.6°F). In Cheonan, the average high-temperature increases, from a cool 10.4°C (50.7°F) in March, to a comfortable 16.5°C (61.7°F). Weather in April »

Weather in May

May, the last month of the spring, in Cheonan, is an agreeable month, with temperature in the range of an average high of 22.8°C (73°F) and an average low of 11.3°C (52.3°F). In Cheonan, the average high-temperature in May increases, from an enjoyable 16.5°C (61.7°F) in April, to a pleasant 22.8°C (73°F). Weather in May »

Weather in June

June, the first month of the summer, in Cheonan, is a warm month, with average temperature fluctuating between 26.8°C (80.2°F) and 16.1°C (61°F). In Cheonan, the average high-temperature in June marginally rises, from a pleasant 22.8°C (73°F) in May, to a warm 26.8°C (80.2°F). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Cheonan, South Korea, with average temperature fluctuating between 20.3°C (68.5°F) and 28.1°C (82.6°F). In Cheonan, the average high-temperature is relatively the same as in June - a still warm 28.1°C (82.6°F). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Cheonan, South Korea, with average temperature ranging between min 20.7°C (69.3°F) and max 28.9°C (84°F). August is the warmest month, with an average high-temperature of 28.9°C (84°F) and an average low-temperature of 20.7°C (69.3°F). The average heat index in August is appraised at a torrid 35.6°C (96.1°F). Weather in August »

Weather in September

September, the first month of the autumn, in Cheonan, is still a warm month, with average temperature fluctuating between 15°C (59°F) and 24.5°C (76.1°F). In September, the average high-temperature marginally drops, from a warm 28.9°C (84°F) in August, to a still moderately hot 24.5°C (76.1°F). Weather in September »

Weather in October

October, like September, in Cheonan, South Korea, is another comfortable autumn month, with average temperature varying between 18.8°C (65.8°F) and 9.3°C (48.7°F). In October, the average high-temperature decreases, from a warm 24.5°C (76.1°F) in September, to an enjoyable 18.8°C (65.8°F). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Cheonan, South Korea, with temperature in the range of an average high of 11.4°C (52.5°F) and an average low of 3.8°C (38.8°F). In Cheonan, the average high-temperature in November decreases, from an enjoyable 18.8°C (65.8°F) in October, to a fresh 11.4°C (52.5°F). Weather in November »

Weather in December

December, the first month of the winter, in Cheonan, is also a wintry month, with average temperature ranging between min -3.1°C (26.4°F) and max 3°C (37.4°F). In Cheonan, the average high-temperature declines considerably, from a fresh 11.4°C (52.5°F) in November, to a wintry 3°C (37.4°F). Weather in December »
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FAQ

What is the coldest month in Cheonan?

The coldest month in Cheonan, South Korea, is January, with an average high-temperature of 1.1°C (34°F) and an average low-temperature of -5.7°C (21.7°F).

How many days does it rain in Cheonan?

Throughout the year, there are 121.9 rainfall days, and 694mm (27.32") of precipitation is accumulated.

What is the driest month in Cheonan?

January is the month with the least rainfall in Cheonan. Rain falls for 4.9 days and accumulates 16mm (0.63") of precipitation.

When does it snow in Cheonan?

January through April, November and December are months with snowfall.

How much does it snow in Cheonan?

In Cheonan, South Korea, during the entire year, snow falls for 20.3 days, and aggregates up to 114mm (4.49") of snow.

What is the month with the least sunshine in Cheonan?

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in Cheonan.

When is the lowest UV index in Cheonan?

Months with the lowest UV index in Cheonan, South Korea, are January, February, November and December, with an average maximum UV index of 2.

What is the least humid month in Cheonan?

February and March, with an average relative humidity of 62%, are the least humid months in Cheonan.

When it does not snow in Cheonan?

In Cheonan snow does not fall in May through October.

What is the month with the most sunshine in Cheonan?

Months with the most sunshine in Cheonan are May and June, with an average of 10h of sunshine.

When are the longest days in Cheonan?

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

When is the highest UV index in Cheonan?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the most humid month in Cheonan?

July is the most humid month in Cheonan, South Korea, with an average relative humidity of 86%.

What is the rainiest month in Cheonan?

July is the month with the most rainfall in Cheonan, South Korea. Rain falls for 22.2 days and accumulates 167mm (6.57") of precipitation.

What is the warmest month in Cheonan?

The warmest month is August, with an average high-temperature of 28.9°C (84°F) and an average low-temperature of 20.7°C (69.3°F).

When does it snow the most in Cheonan?

December is the month with the most snowfall in Cheonan. Snow falls for 7 days and accumulates 35mm (1.38") of snow.

What is the month with the shortest days in Cheonan?

The month with the shortest days is December, with an average of 9.7h of daylight.

Average temperature
Cheonan, South Korea

Average temperature - Cheonan, South Korea

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (1.1°C).

The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).

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Average pressure
Cheonan, South Korea

Average pressure - Cheonan, South Korea

The month with the highest atmospheric pressure is January (1025.4mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).

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Average wind speed
Cheonan, South Korea

Average wind speed - Cheonan, South Korea

The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).

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Average humidity
Cheonan, South Korea

Average humidity - Cheonan, South Korea

The month with the highest relative humidity is July (86%).
Months with the lowest relative humidity are February and March (62%).

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Average rainfall
Cheonan, South Korea

Average rainfall - Cheonan, South Korea

The wettest month (with the highest rainfall) is July (167mm).
The driest month (with the least rainfall) is January (16mm).

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Average rainfall days
Cheonan, South Korea

Average rainfall days - Cheonan, South Korea

The month with the highest number of rainy days is July (22.2 days).
The month with the least rainy days is February (4.7 days).

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Average snowfall
Cheonan, South Korea

Average snowfall - Cheonan, South Korea

The month with the highest snowfall is December (35mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days
Cheonan, South Korea

Average snowfall days - Cheonan, South Korea

The month with the highest number of snowfall days is January (7.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Cheonan, South Korea

Average daylight / Average sunshine - Cheonan, South Korea

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

Months with the most sunshine are May and June (Average sunshine: 10h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

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Average sunshine days
Cheonan, South Korea

Average sunshine days - Cheonan, South Korea

The month with the most sunshine days is October (24.5 days).
The month with the least sunshine days is July (7 days).

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Average UV index
Cheonan, South Korea

Average UV index - Cheonan, South Korea

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Cheonan, South Korea

Average visibility - Cheonan, South Korea

Months with the highest visibility are February, March, October and November (10km).
The month with the lowest visibility is July (7km).

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