Ulsan
April
Weather in Ulsan for April 2026
Your guide to Ulsan weather in April - trends and predictions
In general, the average temperature in Ulsan at the beginning of April is 15.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22 °C by the end of April.
The climate of Ulsan in April is notably wet, with an average of 11 rainy days, and a total of 56.2 mm of precipitation.
Temperatures
Rain 🌧️
19
Dry days
11
Rainy days
0
Snow days
19°/7°
Temperatures
19 km/h
Avg max wind
62 %
Avg humidity
Ulsan Weather April
Move between months or click on a day
Temperatures trend during April in Ulsan
See the weather trend as well as the moving average line
April weather in Ulsan day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Apr. |  Sunny | 14° /0° | 0 mm | 4 | |
| 2 Apr. |  Partly cloudy | 14° /3° | 2.6 mm | 4 | |
| 3 Apr. |  Overcast | 13° /3° | 0.7 mm | 3 | |
| 4 Apr. |  Patchy rain possible | 14° /2° | 0.5 mm | 3 | |
| 5 Apr. | Patchy rain possible | 15° /3° | 0.5 mm | 4 | |
| 6 Apr. | Sunny | 18° /3° | 0 mm | 5 | |
| 7 Apr. | Sunny | 22° /1° | 0 mm | 6 | |
| 8 Apr. | Sunny | 24° /9° | 0 mm | 6 | |
| 9 Apr. | Overcast | 17° /6° | 0.6 mm | 4 | |
| 10 Apr. | Patchy rain possible | 22° /10° | 1.1 mm | 5 | |
| 11 Apr. | Sunny | 21° /7° | 0 mm | 6 | |
| 12 Apr. |  Moderate rain at times | 16° /8° | 9.8 mm | 4 | |
| 13 Apr. | Partly cloudy | 14° /4° | 21.2 mm | 4 | |
| 14 Apr. |  Heavy rain at times | 12° /4° | 3.3 mm | 3 | |
| 15 Apr. |  Cloudy | 14° /3° | 0 mm | 3 | |
| 16 Apr. | Overcast | 21° /3° | 0 mm | 5 | |
| 17 Apr. | Overcast | 19° /11° | 0 mm | 4 | |
| 18 Apr. | Partly cloudy | 25° /15° | 0 mm | 7 | |
| 19 Apr. | Cloudy | 23° /15° | 0.1 mm | 5 | |
| 20 Apr. | Patchy rain possible | 17° /10° | 1.2 mm | 4 | |
| 21 Apr. | Sunny | 18° /9° | 0 mm | 5 | |
| 22 Apr. | Moderate or heavy rain shower | 17° /11° | 14.5 mm | 4 | |
| 23 Apr. | Overcast | 16° /9° | 0 mm | 4 | |
| 24 Apr. | Overcast | 24° /8° | 0 mm | 5 | |
| 25 Apr. | Partly cloudy | 18° /8° | 0 mm | 5 | |
| 26 Apr. | Sunny | 22° /6° | 0 mm | 6 | |
| 27 Apr. | Overcast | 24° /8° | 0 mm | 5 | |
| 28 Apr. | Patchy rain possible | 23° /11° | 0.1 mm | 5 | |
| 29 Apr. | Sunny | 20° /6° | 0 mm | 6 | |
| 30 Apr. | Sunny | 23° /9° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Ulsan in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ulsan forecast closer to your planned date for the most up-to-date weather information.
Change Month
Ulsan in April - FAQ
What are the expected maximum and minimum temperatures in Ulsan during April?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 7°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ulsan during April?
Moderate rainfall is anticipated in Ulsan during April, with a total of 56.2 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ulsan during April?
The average wind speed in Ulsan during April is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Ulsan
Explore the daily rainfall trends and prepare for Ulsans April weather 💧
UV exposure in Ulsan during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
Quick links
More Ulsan weather pages
You are here
Where is Ulsan?Get accurate weather forecasts for Ulsan, located at latitude 35.537 and longitude 129.317. Stay updated with localized weather information tailored for Ulsan.
Found a mistake?
We appreciate your attention to details. Tell us here.