Location & Surroundings
Daheyan is a settlement in Sichuan, China, at 517 m elevation. The nearest larger town is Chengdu, 24 km to the west. The national capital Beijing is about 1505 km to the northeast. The nearest airport is Chengdu Huaizhou Airport, 22 km away.
Also known as: 大河堰
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
30° 36' 49" N, 104° 18' 25" E
- Elevation DEM: 517 m
- Timezone Asia/Shanghai
- Time Shift GMT 8 (DST 8)
Statistics & Country
- Pop. Density 5,886 p/km²
- Built-up 13.5%
- Settlement Dense urban cluster
- Currency Yuan Renminbi (CNY)
- Phone Prefix +86
Sun & Local Time
- Local time 10:43
- Sunrise 06:50
- Sunset 18:58
- Day length 12 h 8 min
Other populated places nearby
Nearby
Alternate Names
zh
大河堰
Weather in Daheyan
Current conditions and a 3-day (72-hour) weather forecast for Daheyan, updated from the NOAA GFS model.
Now 20.8 C with overcast skies and a 1.5 m/s easterly wind. Next 24h: 20.2 to 21.6 C, max wind 2.1 m/s. Precip around 0.4 mm. Solar peaks near 46 W/m2.
Temperature
20.8 C
Wind
1.5 m/s E (84 deg)
Humidity
94 %
Pressure
1,013.2 hPa
Clouds
100 %
Precip
0.41 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 | 20.8 | 1.5 | 84 | 94 | 1,013.2 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 20.3 | 0.4 | 43 | 97 | 1,013.6 | 2.01 / 2.01 | 100 | 0.5 | n/a |
| 12h | 21.6 | 1.0 | 43 | 89 | 1,012.1 | 0.00 / 1.82 | 100 | 46.0 | n/a |
| 18h | 20.8 | 2.1 | 9 | 93 | 1,012.0 | 0.00 / 0.33 | 94 | 37.3 | n/a |
| Tomorrow | 20.2 | 0.5 | 320 | 96 | 1,012.1 | 0.08 / 0.41 | 100 | 0.0 | n/a |
| 30h | 20.0 | 1.1 | 11 | 95 | 1,012.5 | 0.55 / 0.96 | 100 | 0.9 | n/a |
| 36h | 23.0 | 1.3 | 112 | 76 | 1,010.6 | 0.00 / 0.00 | 99 | 152.2 | n/a |
| 42h | 21.5 | 0.8 | 117 | 83 | 1,010.2 | 0.00 / 0.00 | 99 | 229.3 | n/a |
| Friday | 20.8 | 0.4 | 357 | 89 | 1,010.0 | 0.00 / 0.00 | 99 | 0.0 | n/a |
| 54h | 20.6 | 0.3 | 111 | 91 | 1,009.9 | 0.01 / 0.01 | 100 | 1.2 | n/a |
| 60h | 25.3 | 2.2 | 96 | 70 | 1,007.7 | 0.29 / 0.30 | 100 | 324.3 | n/a |
| 66h | 23.0 | 1.5 | 82 | 83 | 1,008.9 | 0.00 / 0.16 | 99 | 223.2 | n/a |
| Saturday | 21.9 | 1.1 | 201 | 87 | 1,008.5 | 0.00 / 0.00 | 100 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-09-23 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Daheyan?
Now 20.8 C with overcast skies and a 1.5 m/s easterly wind. Next 24h: 20.2 to 21.6 C, max wind 2.1 m/s. Precip around 0.4 mm. Solar peaks near 46 W/m2.
Is precipitation expected in the next 24 hours?
Around 0.4 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Daheyan today?
Sunrise around 06:50 and sunset around 18:58 (local time). Day length about 12h 08m.
What is the local time in Daheyan?
Local time is 10:43. Time zone: Asia/Shanghai (UTC+08:00).
What type of place is Daheyan?
Daheyan is a populated place.
What is the elevation of Daheyan?
DEM 517 m.
Where is Daheyan located?
It is at 30.61349, 104.30686 (latitude, longitude).
Which country is Daheyan in?
It is in China.