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 2013-08-10; its coldest fell to -13°C on 2001-01-14.
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 | 18°C2026-01-15
-6°C2021-01-07
|
11°C2023-01-13
-13°C2001-01-14
|
| February | 23°C2021-02-22
-6°C1981-02-26
|
12°C1992-02-28
-12°C1981-02-26
|
| March | 25°C2001-03-22
2°C2001-03-08
|
15°C2009-03-18
-6°C2005-03-06
|
| April | 29°C1996-04-27
8°C1980-04-14
|
18°C2005-04-30
-2°C1991-04-01
|
| May | 33°C2000-05-24
13°C1981-05-17
|
22°C2018-05-16
6°C2024-05-08
|
| June | 33°C2005-06-24
17°C1982-06-01
|
25°C2022-06-28
8°C1981-06-01
|
| July | 36°C2013-07-29
18°C1986-07-03
|
28°C2018-07-25
15°C1993-07-02
|
| August | 38°C2013-08-10
20°C1980-08-08
|
29°C2018-08-05
18°C1981-08-05
|
| September | 34°C1994-09-02
18°C1985-09-28
|
27°C1992-09-01
9°C1980-09-30
|
| October | 30°C2021-10-05
9°C1981-10-23
|
24°C2022-10-03
0°C1986-10-30
|
| November | 26°C2023-11-02
3°C1992-11-26
|
19°C2023-11-05
-5°C1992-11-26
|
| December | 20°C2023-12-09
-3°C1980-12-29
|
13°C2018-12-03
-10°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) | 23°C2021-02-22
-6°C2021-01-07
|
13°C2018-12-03
-13°C2001-01-14
|
| Spring (Mar–May) | 33°C2000-05-24
2°C2001-03-08
|
22°C2018-05-16
-6°C2005-03-06
|
| Summer (Jun–Aug) | 38°C2013-08-10
17°C1982-06-01
|
29°C2018-08-05
8°C1981-06-01
|
| Autumn (Sep–Nov) | 34°C1994-09-02
3°C1992-11-26
|
27°C1992-09-01
-5°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.