easeweather.com
Ulsan
BusanCheonanCheongju-siChuncheonDaeguDaejeonEverlandGangwonGapyeongGwangjuGwangmyeongGyeongjuHallasan National ParkHongch’ŏnIncheonIncheonJeju CityJejudoJeonjuMyeong-dongNamiseomPyeongchangPyeongtaekSeoulSokchoSuwon
Ulsan
More Locations
South Korea weather

Weather in Ulsan for October 2025

Your guide to Ulsan weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Gale Advisory - See hour by hour.

    • Temperatures

  • So far, October 2025 in Ulsan is slightly warmer than the historical average by 0.6 °C.

  • Expect cooler weather in the next days in Ulsan with the forecast suggesting a temperature of 18.6 °C, lower than the historical average.

  • In general, the average temperature in Ulsan at the beginning of October is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.6 °C by the end of October.

    • Rain 🌧️

  • The climate of Ulsan in October is notably wet, with an average of 14 rainy days, and a total of 265.4 mm of precipitation.

Average dry days
17
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/14°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Ulsan Weather October

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
27°
2
Cloudy
22°
3
Heavy rain at times
19°
4
Patchy rain possible
21°
5
Partly cloudy
23°
6
Moderate rain at times
21°
7
Heavy rain at times
20°
8
Moderate rain at times
21°
9
Patchy rain possible
21°
10
Cloudy
22°
11
Patchy rain possible
25°
12
Sunny
22°
13
Overcast
23°
14
Weather Alert Moderate rain
19°
15
Weather Alert Patchy rain possible
21°
16
Heavy rain
20°
17
Patchy rain possible
21°
18
Moderate rain
24°
19
Patchy rain possible
20°
20
Patchy rain possible
20°
21
Patchy rain possible
16°
22
Cloudy
16°
23
Patchy rain possible
16°
24
Patchy rain possible
15°
25
Patchy rain possible
17°
26
Patchy rain possible
20°
27
Patchy rain possible
16°
28
Patchy rain possible
18°
29
Cloudy
19°
30
Sunny
20°
31
Patchy rain possible
20°

Temperatures trend during October in Ulsan

See the weather trend as well as the moving average line

October weather in Ulsan day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Cloudy
Cloudy
 27° /16° 0.3 mm 6
2 Oct. Cloudy
Cloudy
 22° /15° 0.1 mm 6
3 Oct. Heavy rain at times
Heavy rain at times
 19° /15° 22.9 mm 5
4 Oct. Patchy rain possible
Patchy rain possible
 21° /16° 2.9 mm 5
5 Oct. Partly cloudy
Partly cloudy
 23° /16° 0.5 mm 6
6 Oct. Moderate rain at times
Moderate rain at times
 21° /17° 5 mm 5
7 Oct. Heavy rain at times
Heavy rain at times
 20° /17° 7.7 mm 5
8 Oct. Moderate rain at times
Moderate rain at times
 21° /16° 2.1 mm 5
9 Oct. Patchy rain possible
Patchy rain possible
 21° /15° 0.8 mm 5
10 Oct. Cloudy
Cloudy
 22° /14° 0.2 mm 5
11 Oct. Patchy rain possible
Patchy rain possible
 25° /14° 0.1 mm 6
12 Oct. Sunny
Sunny
 22° /15° 0.6 mm 6
13 Oct. Overcast
Overcast
 23° /15° 0.3 mm 5
14 Oct. Moderate rain
Moderate rain
 19° /16° 17.4 mm 0.1
15 Oct. Patchy rain possible
Patchy rain possible
 21° /17° 1.4 mm 0.6
16 Oct. Heavy rain
Heavy rain
 20° /18° 27.5 mm 0.7
17 Oct. Patchy rain possible
Patchy rain possible
 21° /18° 1 mm 0.7
18 Oct. Moderate rain
Moderate rain
 24° /19° 18.2 mm 0.7
19 Oct. Patchy rain possible
Patchy rain possible
 20° /18° 1.4 mm 4
20 Oct. Patchy rain possible
Patchy rain possible
 20° /15° 0.6 mm 4
21 Oct. Patchy rain possible
Patchy rain possible
 16° /15° 0.6 mm 4
22 Oct. Cloudy
Cloudy
 16° /14° 0 mm 3
23 Oct. Patchy rain possible
Patchy rain possible
 16° /14° 0.2 mm 3
24 Oct. Patchy rain possible
Patchy rain possible
 15° /13° 0.1 mm 3
25 Oct. Patchy rain possible
Patchy rain possible
 17° /14° 0.2 mm 4
26 Oct. Patchy rain possible
Patchy rain possible
 20° /13° 0 mm 4
27 Oct. Patchy rain possible
Patchy rain possible
 16° /11° 0.1 mm 3
28 Oct. Patchy rain possible
Patchy rain possible
 18° /12° 1.1 mm 4
29 Oct. Cloudy
Cloudy
 19° /12° 0 mm 4
30 Oct. Sunny
Sunny
 20° /10° 0 mm 6
31 Oct. Patchy rain possible
Patchy rain possible
 20° /14° 0.1 mm 5
Next
Important Notice
Our weather forecast for Ulsan in October 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 October - FAQ

What are the expected maximum and minimum temperatures in Ulsan during October?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ulsan during October?
Significant rainfall exceeding 265.4 mm is expected in Ulsan during October, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ulsan during October?
The average wind speed in Ulsan during October is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Ulsan

Explore the daily rainfall trends and prepare for Ulsans October weather 💧

UV exposure in Ulsan during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

Quick links

More Ulsan weather pages
You are here
Location coordinates 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.