Ulsan weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Fair
Best time to visit: April – June, September – October
What is the weather like in Ulsan in March?
In March, Ulsan is cool: daytime highs average 12 °C, and nights cool down to about 4 °C. The sea averages 14.0 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 71 mm. All in all, March is a so-so month for a holiday in Ulsan.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 40 | 56 | 81 |
| Day | 8° | 12° | 17° |
| Night | 1° | 4° | 9° |
| Sea | 14° | 14° | 15° |
| Sun | 7 h | 7 h | 7 h |
| Rain days | 5 | 7 | 8 |
More details for March
- Daylight
- 11 h 54 min06:35 – 18:30
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 52 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 1 day1 cm or more of fresh snow
- Time zone
- UTC+9Asia/Seoul
How the score comes together
- Temperatureweight 50 %44 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 30 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in March
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Ulsan in March: quick answers
Is Ulsan hot in March?
No. In March, Ulsan is cool: daytime highs average 12 °C and nights drop to about 4 °C.
Can you swim in Ulsan in March?
Only if you don't mind cold water: in March the sea averages just 14.0 °C. Comfortable swimming is possible from June to October.
Does it rain much in Ulsan in March?
Rain falls on about 7 days, adding up to 71 mm.
Ulsan month by month
The whole year in UlsanAll destinations: South KoreaWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences