Ulsan, South Korea weather records
Record high and low temperatures for Ulsan, 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 35°C on 2018-08-05; its coldest fell to -12°C on 2011-01-16.
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 | 17°C2020-01-07
-6°C2016-01-24
|
12°C2002-01-15
-12°C2011-01-16
|
| February | 18°C2021-02-22
-6°C1981-02-26
|
14°C2010-02-25
-11°C1984-02-07
|
| March | 20°C2025-03-23
1°C2001-03-08
|
13°C2014-03-29
-4°C2007-03-06
|
| April | 25°C1998-04-24
7°C1987-04-01
|
18°C1998-04-23
1°C1991-04-01
|
| May | 31°C2017-05-29
12°C2013-05-01
|
20°C2004-05-29
5°C2010-05-01
|
| June | 31°C2018-06-24
17°C1998-06-04
|
23°C2005-06-27
12°C1992-06-08
|
| July | 34°C1994-07-20
18°C1996-07-10
|
27°C1994-07-21
15°C1993-07-03
|
| August | 35°C2018-08-05
21°C1993-08-19
|
28°C2024-08-21
19°C1993-08-31
|
| September | 33°C1994-09-02
17°C1987-09-26
|
27°C2024-09-11
10°C1987-09-27
|
| October | 28°C2022-10-01
9°C1981-10-23
|
23°C2021-10-10
3°C1997-10-31
|
| November | 23°C2023-11-02
3°C1992-11-26
|
19°C2011-11-05
-2°C1992-11-26
|
| December | 19°C2018-12-03
-3°C1985-12-15
|
14°C2018-12-03
-9°C2010-12-25
|
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) | 19°C2018-12-03
-6°C2016-01-24
|
14°C2018-12-03
-12°C2011-01-16
|
| Spring (Mar–May) | 31°C2017-05-29
1°C2001-03-08
|
20°C2004-05-29
-4°C2007-03-06
|
| Summer (Jun–Aug) | 35°C2018-08-05
17°C1998-06-04
|
28°C2024-08-21
12°C1992-06-08
|
| Autumn (Sep–Nov) | 33°C1994-09-02
3°C1992-11-26
|
27°C2024-09-11
-2°C1992-11-26
|
All-time records
The most extreme value Ulsan 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.