South KoreaThe climate of Ulsan
The current climate in Ulsan features temperatures ranging from a high of 31°C to a low of 8°C throughout the year. The average yearly temperature is around 20°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 24°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Ulsan, South Korea.
Temperature records
The highest temperature recorded in Ulsan in recent years was 38°C in August 2017. The lowest daytime temperature recorded was -6°C in January 2021.
Precipitation and snowfall
On average, Ulsan gets 1526 mm of precipitation each year. Of this, about 2,5 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.
Curious about the weather in other parts of South Korea? Check out the climate and weather for spots like Seoul, Busan, or explore other destinations in South Korea.
Best time to visit Ulsan?
The best time to visit Ulsan for mild to warm weather is March up to June, October and November. You might get some rain, but the temperatures are just right to explore Ulsan.
Climate Table of Ulsan
The climate table of Ulsan shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 8 | 10 | 15 | 20 | 25 | 27 | 30 | 31 | 27 | 22 | 16 | 9 |
| Temp. min (°C) | -2 | 0 | 5 | 10 | 15 | 19 | 23 | 24 | 19 | 12 | 6 | -1 |
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| Precipitation (mm) | 27 | 31 | 128 | 113 | 87 | 140 | 256 | 298 | 258 | 90 | 57 | 41 |
| Snow (cm) | 0,4 | 1,1 | 0,6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,1 | 0,3 |
| UV Index | 5 | 6 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
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Temperature charts
These charts display the average temperatures in Ulsan, South Korea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in Ulsan
Yearly Temperature in Ulsan
Precipitation charts
These charts show the average amount of precipitation in Ulsan, South Korea. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in Ulsan
Total Yearly Precipitation in Ulsan
Average Snowfall per Month in Ulsan
Total Yearly Snowfall in Ulsan
UV index chart
This chart shows the average UV index per month in Ulsan, South Korea. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in Ulsan
Weather experiences in Ulsan
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Average weather in Ulsan by month
Click on a month below to see detailed weather info for Ulsan. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.