Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

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 ~45 years of local climate history (1981–2026). Its warmest month is August, averaging a high of 29°C, and its coldest is January, with an average low of -8°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

How today compares

Latest recorded day: 2026-07-21. Each reading placed on Cheongju-si, North Chungcheong, South Korea's own ±7-day seasonal distribution.

High 30°C Above Normal · 66th pct
Low 25°C Near Record · 99th pct
Feels-like 34°C Normal · 42nd pct
Humidity 23.3 g/m³ Near Record · 99th pct
Wind 19 km/h Above Normal · 60th pct
Precip 1 mm Light · 25th pct

Open Cheongju-si in the live weather grader →

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 1981–2026 records. The wettest month is July (10 mm on an average day).

MonthAvg highAvg lowAvg precip
January 1°C -8°C 0 mm
February 4°C -6°C 3 mm
March 10°C -2°C 3 mm
April 17°C 4°C 3 mm
May 23°C 10°C 3 mm
June 28°C 16°C 5 mm
July 28°C 20°C 10 mm
August 29°C 21°C 8 mm
September 24°C 15°C 5 mm
October 19°C 8°C 3 mm
November 11°C 1°C 3 mm
December 4°C -5°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.

Thinking of visiting Cheongju-si?

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Record extremes

  • Hottest day on record: 39°C on 2018-08-15
  • Coldest day on record: -22°C on 2001-01-14

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 →