City · South Korea
Best time to visit Ulsan
The best time to visit Ulsan is April–June and September–November, with daytime temperatures around 26°C.
Eddigo
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Ulsan
40 mWarm
83
26°/13°17°110 mm50 %14 h
A typical mid-May in Ulsan
Sunny 14Cloudy 8Rain 8
Daytime temperature (night ☾)
13°23°29°−6°37°
Sea temperature
17°−6°37°
Daylight (solar time)
04:5719:03
0006121824
14 h 6 m
Precipitation
0270 mm
110 mm
Air feel
FreshComfortableHumidMuggy
RH 59 %
Month by month
| Month | Score | Day | Night | Sea | Rain | Wet days | Sun | Daylight | Feels like |
|---|---|---|---|---|---|---|---|---|---|
| January | 57 | 8° | −4° | 14° | 34 mm | 6 | 67 % | 10 h | Chilly and sunny |
| February | 50 | 11° | −2° | 13° | 48 mm | 7 | 55 % | 11 h | Chilly |
| March | 64 | 16° | 2° | 14° | 75 mm | 8 | 53 % | 12 h | Mild |
| April | 81 | 21° | 7° | 15° | 114 mm | 9 | 47 % | 13 h | Pleasantly warm |
| May | 83 | 26° | 13° | 17° | 110 mm | 8 | 50 % | 14 h | Warm |
| June | 70 | 28° | 18° | 20° | 165 mm | 11 | 34 % | 15 h | Rainy season · warm |
| July | 39 | 31° | 23° | 24° | 266 mm | 14 | 32 % | 14 h | Rainy season · hot, showery and muggy |
| August | 42 | 32° | 23° | 27° | 225 mm | 12 | 43 % | 13 h | Rainy season · hot, showery and muggy |
| September | 69 | 27° | 18° | 25° | 180 mm | 11 | 34 % | 12 h | Rainy season · warm |
| October | 90 | 23° | 11° | 23° | 77 mm | 7 | 56 % | 11 h | Pleasantly warm |
| November | 75 | 17° | 4° | 20° | 50 mm | 7 | 57 % | 10 h | Mild |
| December | 59 | 10° | −2° | 17° | 28 mm | 5 | 68 % | 10 h | Chilly and sunny |
The score (0–100) combines daytime temperature, rain days, humidity and cloud cover, weighted for a typical warm-weather trip: 20–28 °C, little rain. On the map you can change these preferences.
Climate averages 2016–2025 (ERA5, CRU TS). Sea temperature from ERA5. Not a forecast. Elevation: 41 m. Coordinates: 35.54, 129.31.