South KoreaAverage weather for Ulsan in April
It's pleasantly warm in April in Ulsan with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 7°C and 13°C.
Start of April
The month of April starts in Ulsan with mild temps, averaging around 20°C during the day and nights around 9°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.
Mid April
By mid-April, daytime temps rise to around 21°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of April
By the end of April, the average daytime temperature in Ulsan is around 22°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In April, there is an average of 113 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.
Ulsan in April |
New York | ||
|---|---|---|---|
 Average temperature |
20°C | 17°C | |
 Max. temperature |
23°C | 22°C | |
| Min. temperature |
18°C | -5°C | |
 Total precipitation |
113 mm | 81 mm | |
| Rainy days |
8 days | 11 days | |
March
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is April a good time to visit Ulsan?
Looking for sun? April isn’t a good month to be in Ulsan. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 31°C in 2018, Ulsan reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 9°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 1°C to a highest value of 17°C.
Check out the climate of Ulsan for all months and discover the best travel time
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.
Daily Temperature in April in Ulsan
This chart shows the average daily high and low temperatures in April for Ulsan, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in April in Ulsan
The chart below shows the average daily precipitation in April for Ulsan, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for April, you can expect about 8 days of precipitation in Ulsan.
Daily UV index in April in Ulsan
This chart shows the average daily UV index in April in Ulsan, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in April in Ulsan over the years
This chart shows the average temperature in April in Ulsan, measured in degrees Celsius, over the past few years.
Total precipitation in April in Ulsan over the years
This chart shows the average precipitation in April in Ulsan, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in April for Ulsan
Click on any day in April to get detailed info about the usual weather on that day in Ulsan. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in April 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.
