City break

Ulsan weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

77

Holiday weather in June

Good

Best time to visit: April – June, September – October

What is the weather like in Ulsan in June?

In June, Ulsan is warm: daytime highs average 24 °C, and nights cool down to about 18 °C. The sea averages 20.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 150 mm in total. All in all, June is a good month for a holiday in Ulsan.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score857765
Day21°24°27°
Night13°18°23°
Sea17°20°23°
Sun7 h6 h5 h
Rain days81014

More details for June

Daylight
14 h 33 min05:06 – 19:39
UV index
11 · extremeclear sky, noon (estimate)All months
Muggy days
13 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
71 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+9Asia/Seoul

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %45 %
  • Few rainy daysweight 30 %60 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in June

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Ulsan in June: quick answers

Is Ulsan hot in June?

Warm rather than hot: in June, daytime highs in Ulsan average 24 °C and nights cool to about 18 °C.

Can you swim in Ulsan in June?

Yes. In June the sea averages 20.2 °C – refreshing for a swim.

Does it rain much in Ulsan in June?

Rain is frequent, with about 10 rainy days and 150 mm in total.

Ulsan month by month

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