Thermograph

Cheongju-si, North Chungcheong, South Korea climate

Average temperatures, precipitation and all-time records for Cheongju-si, North Chungcheong, South Korea, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 30°C, and its coldest is January, with an average low of -6°C.

Cheongju is the capital and largest city of North Chungcheong Province in South Korea. The "Cheong" in the name of the province is the as in Cheongju. via Wikipedia

Cheongju-si average temperatures by month

Typical daily high and low, and average precipitation, for each month in Cheongju-si, North Chungcheong, South Korea, based on 1980–2026 records. The wettest month is July (10 mm on an average day).

MonthAvg highAvg lowAvg precip
January 3°C -6°C 0 mm
February 6°C -3°C 3 mm
March 12°C 1°C 3 mm
April 19°C 8°C 3 mm
May 23°C 13°C 3 mm
June 28°C 18°C 3 mm
July 29°C 22°C 10 mm
August 30°C 23°C 8 mm
September 26°C 17°C 5 mm
October 20°C 10°C 3 mm
November 12°C 3°C 3 mm
December 5°C -3°C 0 mm

Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.

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Record extremes

  • Hottest day on record: 39°C on 2018-08-15
  • Coldest day on record: -20°C on 2000-12-28

All Cheongju-si weather records →

Percentiles compare each day to Cheongju-si, North Chungcheong, South Korea's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →