Location & Surroundings
Longtan is a settlement in Hainan, China, at 108 m elevation. The nearest larger town is Lanyang, 22 km to the west. The national capital Beijing is about 2350 km to the north. The nearest airport is Qionghai Bo'ao Airport, 77 km away.
Also known as: 龙坦
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
19° 32' 15" N, 109° 51' 0" E
- Elevation DEM: 108 m
- Timezone Asia/Shanghai
- Time Shift GMT 8 (DST 8)
Statistics & Country
- Pop. Density 153 p/km²
- Built-up 2.8%
- Settlement Low density rural
- Currency Yuan Renminbi (CNY)
- Phone Prefix +86
Sun & Local Time
- Local time 05:03
- Sunrise 06:26
- Sunset 18:47
- Day length 12 h 21 min
Other populated places nearby
Alternate Names
zh
龙坦
Weather in Longtan
Current conditions and a 3-day (72-hour) weather forecast for Longtan, updated from the NOAA GFS model.
Now 23.4 C with overcast skies and a 5.8 m/s north-easterly wind. Next 24h: 23.4 to 24.0 C, max wind 6.0 m/s. Precip around 6.8 mm. Solar peaks near 108 W/m2.
Temperature
23.4 C
Wind
5.8 m/s NE (56 deg)
Humidity
96 %
Pressure
1,011.5 hPa
Clouds
100 %
Precip
6.85 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 | 23.4 | 5.8 | 56 | 96 | 1,011.5 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 23.4 | 6.0 | 44 | 98 | 1,010.3 | 13.66 / 13.66 | 100 | 0.0 | n/a |
| 12h | 23.9 | 6.0 | 95 | 96 | 1,010.8 | 0.00 / 5.77 | 100 | 3.6 | n/a |
| 18h | 24.0 | 5.4 | 95 | 97 | 1,009.1 | 3.15 / 8.92 | 100 | 108.2 | n/a |
| Tomorrow | 23.5 | 5.2 | 111 | 96 | 1,010.6 | 0.00 / 6.85 | 100 | 20.0 | n/a |
| 30h | 23.5 | 4.1 | 111 | 97 | 1,011.1 | 0.00 / 4.28 | 100 | 0.0 | n/a |
| 36h | 24.4 | 4.3 | 115 | 94 | 1,012.5 | 0.00 / 1.01 | 100 | 25.4 | n/a |
| 42h | 27.3 | 7.0 | 122 | 81 | 1,010.5 | 0.00 / 0.41 | 100 | 603.1 | n/a |
| Monday | 23.7 | 3.5 | 115 | 92 | 1,011.5 | 0.00 / 0.32 | 100 | 174.7 | n/a |
| 54h | 22.7 | 1.7 | 137 | 96 | 1,011.6 | 0.00 / 0.00 | 98 | 0.0 | n/a |
| 60h | 23.8 | 2.1 | 116 | 91 | 1,012.3 | 0.03 / 0.03 | 100 | 9.2 | n/a |
| 66h | 27.0 | 4.3 | 124 | 82 | 1,010.7 | 0.37 / 0.40 | 100 | 285.9 | n/a |
| Tuesday | 23.5 | 2.2 | 114 | 93 | 1,011.2 | 0.47 / 0.87 | 100 | 161.3 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-12 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Longtan?
Now 23.4 C with overcast skies and a 5.8 m/s north-easterly wind. Next 24h: 23.4 to 24.0 C, max wind 6.0 m/s. Precip around 6.8 mm. Solar peaks near 108 W/m2.
Is precipitation expected in the next 24 hours?
Around 6.8 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Longtan today?
Sunrise around 06:26 and sunset around 18:46 (local time). Day length about 12h 20m.
What is the local time in Longtan?
Local time is 05:03. Time zone: Asia/Shanghai (UTC+08:00).
What type of place is Longtan?
Longtan is a populated place.
What is the elevation of Longtan?
DEM 108 m.
Where is Longtan located?
It is at 19.53754, 109.84988 (latitude, longitude).
Which country is Longtan in?
It is in China.