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Ulsan Monthly Climate Averages
Ulsan is situated in humid subtropical zone which is known for warm weather during summer time with high humidity and soft and cool winter with short rainfalls.
To help you choose the best time to travel, you can find climate data below on the weather in Ulsan .
Month | t°C day |
t°C night |
mm rain |
daylight |
January | +7.3 | -2.3 | 34 | 10.5h |
February | +9.2 | -0.7 | 43 | 11.4h |
March | +13.2 | +3.2 | 66 | 12.4h |
April | +19.2 | +8.2 | 91 | 13.6h |
May | +23.4 | +12.8 | 108 | 14.5h |
June | +26 | +17.3 | 177 | 15h |
July | +28.9 | +21.8 | 232 | 14.8h |
August | +30 | +22.7 | 240 | 13.9h |
September | +25.9 | +17.9 | 168 | 12.8h |
October | +21.9 | +11.5 | 54 | 11.7h |
November | +15.8 | +5.1 | 41 | 10.8h |
December | +9.9 | -0.3 | 23 | 10.3h |
The best weather conditions for the beach leisure in Ulsan are typically July, August, September. Best season with the soft weather for the sightseeing and long walks are April, May, June, September, October.
Temperature in Ulsan
The table shows that the hottest months in Ulsan are August and July, during which the average daytime temperature reaches +30°C and the nighttime temperature falls to +22.7°C.
The coldest months are January and February, when the daily average temperature falls to +7.3°C, and drops to -2.3°C during the night.
Best beach resorts :
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Sea temperature
The month with the highest average monthly temperature in the Sea of Japan on the beaches of Ulsan is August with 25.6 degrees.
The coldest water can be found in March — 12.3degrees C.
Precipitation
The largest amount of precipitation falls on average in August and July, up to 240mm, and the least in December and January — up to 23mm.