5 to 28°C
temperature
2846 hours
sunshine per day
628 mm
rain
236 days
dry
124 days
rain
5 days
snow

Climate of Ulsan

Ulsan has a moderate climate. There is a lot of rainfall in the summer, and in the winter it is quite dry again. The average annual temperature for Ulsan is 17° degrees and there is about 629 mm of rain in a year. It is dry for 210 days a year with an average humidity of 72% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 5°C and 28°C
  • Night:the average nighttime temperature is between -1°C and 23°C
  • Rain: it rains 124 days and there is a total of approximately 628 mm rainfall
  • Snow: it snows an average of 5 days per year
  • Sun hours: throughout the year there are 2846 sun hours
Maximum temperature: between 5°C and 28°C
Warmest month: 28°C in August
Coldest month: 5°C in January
Night temperature: between -1°C and 23°C
Dry days: 236 days
Days with rain: 124 days
Days with snow: 5 days
Total rain sum: 628 mm
Hours of sunshine: 2846 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Ulsan.

Precipitation graph

This graph shows the average amount of rainfall per month for Ulsan.

Climate table of Ulsan

In this climate table you can see at a glance what the average weather per month is for Ulsan. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Ulsan might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 5 7 11 16 20 23 27 28 24 19 13 7
Night temp. (°C) -1 1 5 9 14 17 22 23 19 14 8 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 12 26 48 68 46 47 103 90 75 61 27 25
Days with rain 4 7 10 11 10 12 19 16 12 9 8 6
Days with snow 1 2 1 - - - - - - - - 1
Dry days 26 19 20 19 21 18 12 15 18 22 22 24
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 7 7 9 10 10 9 10 8 6 6 6
Wind force (Bft) 3 3 3 3 3 3 3 3 3 3 3 3
UV-index 2 2 3 4 5 5 6 6 5 4 3 2

Best time to visit Ulsan

The best time to visit Ulsan in South Korea is from May and June and August through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Ulsan is 28°C in August and the lowest is 5°C in January.

Climate of Ulsan by month

What is the average climate in a given month for Ulsan? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Ulsan weather experiences

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