Location & Surroundings
Gaesan is a settlement in Ulsan, South Korea, at 22 m elevation. The nearest larger town is Ulsan, 5 km to the northeast. The national capital Seoul is about 310 km to the northwest. The nearest airport is Ulsan Airport, 12 km away.
Also known as: 개산
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
35° 29' 49" N, 129° 17' 18" E
- Elevation DEM: 22 m
- Timezone Asia/Seoul
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Pop. Density 119 p/km²
- Built-up 3.1%
- Settlement Low density rural
- Currency Won (KRW)
- Phone Prefix +82
Sun & Local Time
- Local time 13:52
- Sunrise 06:07
- Sunset 18:26
- Day length 12 h 19 min
Other populated places nearby
Nearby
Alternate Names
ko
개산
Weather in Gaesan
Current conditions and a 3-day (72-hour) weather forecast for Gaesan, updated from the NOAA GFS model.
Now 18.8 C with partly cloudy skies and a 3.1 m/s northerly wind. Next 24h: 17.5 to 23.5 C, max wind 5.5 m/s. No precipitation expected. Solar peaks near 398 W/m2.
Temperature
18.8 C
Wind
3.1 m/s N (358 deg)
Humidity
93 %
Pressure
1,019.8 hPa
Clouds
49 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 18.8 | 3.1 | 358 | 93 | 1,019.8 | - / 0.00 | 49 | 0.0 | n/a |
| 6h | 21.1 | 3.8 | 21 | 85 | 1,020.2 | 0.34 / 0.34 | 92 | 24.8 | n/a |
| 12h | 23.5 | 5.5 | 26 | 65 | 1,018.7 | 0.16 / 0.50 | 58 | 398.5 | n/a |
| 18h | 18.5 | 3.4 | 358 | 85 | 1,019.7 | 0.00 / 0.00 | 5 | 132.0 | n/a |
| Tomorrow | 17.5 | 3.1 | 354 | 84 | 1,017.7 | 0.00 / 0.00 | 4 | 0.0 | n/a |
| 30h | 21.7 | 5.4 | 11 | 67 | 1,016.9 | 0.00 / 0.00 | 16 | 101.0 | n/a |
| 36h | 24.4 | 5.3 | 18 | 55 | 1,013.9 | 0.00 / 0.00 | 8 | 719.4 | n/a |
| 42h | 17.8 | 3.0 | 343 | 90 | 1,014.1 | 0.05 / 0.05 | 5 | 146.2 | n/a |
| Sunday | 16.4 | 2.9 | 338 | 93 | 1,012.9 | 0.00 / 0.01 | 0 | 0.0 | n/a |
| 54h | 21.2 | 5.0 | 8 | 72 | 1,013.1 | 0.00 / 0.00 | 31 | 101.3 | n/a |
| 60h | 24.4 | 6.1 | 28 | 56 | 1,011.8 | 0.00 / 0.00 | 5 | 704.8 | n/a |
| 66h | 18.1 | 3.7 | 2 | 84 | 1,014.8 | 0.00 / 0.00 | 14 | 148.7 | n/a |
| Monday | 17.4 | 3.1 | 350 | 92 | 1,015.3 | 0.08 / 0.08 | 15 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-18 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Gaesan?
Now 18.8 C with partly cloudy skies and a 3.1 m/s northerly wind. Next 24h: 17.5 to 23.5 C, max wind 5.5 m/s. No precipitation expected. Solar peaks near 398 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Gaesan today?
Sunrise around 06:07 and sunset around 18:26 (local time). Day length about 12h 19m.
What is the local time in Gaesan?
Local time is 13:52. Time zone: Asia/Seoul (UTC+09:00).
What type of place is Gaesan?
Gaesan is a populated place.
What is the elevation of Gaesan?
DEM 22 m.
Where is Gaesan located?
It is at 35.49690, 129.28826 (latitude, longitude).
Which country is Gaesan in?
It is in South Korea.