Cheonan, Chungcheongnam-do, South Korea weather records
Record high and low temperatures for Cheonan, Chungcheongnam-do, South Korea, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 36°C on 2018-08-22; its coldest fell to -16°C on 2013-02-08.
Records by month
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.
| Month | Daytime high | Overnight low |
|---|---|---|
| January | 13°C2002-01-15
-10°C2001-01-14
|
8°C2002-01-15
-15°C2023-01-25
|
| February | 16°C2016-02-13
-8°C1981-02-26
|
7°C1992-02-29
-16°C2013-02-08
|
| March | 21°C2023-03-22
-2°C2001-03-08
|
9°C2009-03-18
-7°C2004-03-07
|
| April | 26°C2023-04-19
5°C1993-04-08
|
15°C1998-04-23
-3°C1984-04-06
|
| May | 29°C2014-05-31
12°C1986-05-01
|
18°C2018-05-17
4°C1981-05-04
|
| June | 33°C2023-06-19
17°C1993-06-03
|
24°C2022-06-28
8°C1981-06-01
|
| July | 34°C2026-07-12
21°C1986-07-04
|
26°C2024-07-28
13°C1986-07-04
|
| August | 36°C2018-08-22
21°C2017-08-29
|
27°C2024-08-21
14°C1991-08-27
|
| September | 31°C2024-09-10
15°C1987-09-26
|
26°C2024-09-18
8°C1987-09-27
|
| October | 26°C2019-10-01
7°C2002-10-27
|
21°C2021-10-05
0°C1982-10-25
|
| November | 22°C2023-11-02
-1°C2022-11-30
|
15°C2023-11-05
-5°C1987-11-29
|
| December | 16°C2018-12-03
-7°C2010-12-24
|
8°C2023-12-09
-13°C2012-12-26
|
Records by season
The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Northern Hemisphere, each a three-month span).
| Season | Daytime high | Overnight low |
|---|---|---|
| Winter (Dec–Feb) | 16°C2016-02-13
-10°C2001-01-14
|
8°C2023-12-09
-16°C2013-02-08
|
| Spring (Mar–May) | 29°C2014-05-31
-2°C2001-03-08
|
18°C2018-05-17
-7°C2004-03-07
|
| Summer (Jun–Aug) | 36°C2018-08-22
17°C1993-06-03
|
27°C2024-08-21
8°C1981-06-01
|
| Autumn (Sep–Nov) | 31°C2024-09-10
-1°C2022-11-30
|
26°C2024-09-18
-5°C1987-11-29
|
All-time records
The most extreme value Cheonan has recorded for each metric across its entire history.
High
Low
Feels-like
Humidity
Wind
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.