Ulsan weather records
Record high and low temperatures for Ulsan, by month, by season, and all-time, with the dates they occurred, across 1980–2026 of daily climate history. Its hottest day on record reached 38°C on 1994-07-20; its coldest fell to -18°C on 1981-02-26.
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°C2026-01-15
-8°C2021-01-07
|
10°C2023-01-13
-16°C2001-01-14
|
| February | 22°C2021-02-21
-8°C1981-02-26
|
13°C1992-02-28
-18°C1981-02-26
|
| March | 25°C2025-03-22
0°C2001-03-08
|
15°C2009-03-18
-12°C2005-03-06
|
| April | 30°C1996-04-27
7°C1988-04-07
|
18°C2005-04-30
-3°C1991-04-01
|
| May | 34°C2000-05-24
12°C1990-05-02
|
22°C2018-05-16
3°C2003-05-08
|
| June | 34°C2020-06-04
15°C1982-06-01
|
25°C2022-06-27
8°C1981-06-01
|
| July | 38°C1994-07-20
18°C1986-07-03
|
28°C2026-07-29
13°C1986-07-03
|
| August | 38°C2026-08-01
19°C2016-08-28
|
29°C2026-08-01
15°C2016-08-29
|
| September | 35°C1994-09-01
17°C2001-09-30
|
25°C1992-09-01
6°C1987-09-27
|
| October | 29°C2021-10-05
7°C1981-10-23
|
23°C2022-10-03
-2°C1997-10-31
|
| November | 26°C2023-11-02
1°C1992-11-26
|
18°C2023-11-05
-8°C1992-11-26
|
| December | 19°C2023-12-09
-5°C2020-12-30
|
12°C2018-12-03
-13°C2005-12-17
|
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) | 22°C2021-02-21
-8°C1981-02-26
|
13°C1992-02-28
-18°C1981-02-26
|
| Spring (Mar–May) | 34°C2000-05-24
0°C2001-03-08
|
22°C2018-05-16
-12°C2005-03-06
|
| Summer (Jun–Aug) | 38°C1994-07-20
15°C1982-06-01
|
29°C2026-08-01
8°C1981-06-01
|
| Autumn (Sep–Nov) | 35°C1994-09-01
1°C1992-11-26
|
25°C1992-09-01
-8°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
Gust
Precip
For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.