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

December weather forecast and Climate
Cheongju, South Korea

  • The average high temperature in December: 5.6°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (2.9°C).

  • The average low temperature in December: -4.3°C

The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

  • The average humidity in December: 69.1%

The month with the highest relative humidity is July (76.4%).
The month with the lowest relative humidity is April (56.6%).

  • The average rainfall in December: 25.3mm

The wettest month (with the highest rainfall) is August (285.1mm).
The driest month (with the lowest rainfall) is December (25.3mm).

  • The average rainfall days in December: 9.1 days

The month with the highest number of rainy days is July (15.9 days).
The month with the lowest number of rainy days is October (6.5 days).

  • The average daylight in December: 10h

The month with the longest days is June (Average daylight: 15h).
Months with shortest days are January, November and December (Average daylight: 10h).

  • The average sunshine in December: 5.1h

The month with most sunshine is May (Average sunshine: 7.6h).
The month with least sunshine is July (Average sunshine: 4.9h).

  • The average UV index in December: 2

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).