Location & Surroundings
Dem is a settlement in Viana do Castelo, Portugal, at 257 m elevation. The nearest larger town is O Rosal, 12 km to the northwest. The national capital Lisbon is about 350 km to the south. The nearest airport is Braga Airport, 39 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
41° 50' 28" N, 8° 46' 23" W
- Elevation DEM: 257 m
- Timezone Europe/Lisbon
- Time Shift GMT 0 (DST 1)
Statistics & Country
- Pop. Density 111 p/km²
- Built-up 3.8%
- Settlement Low density rural
- Currency Euro (EUR)
- Phone Prefix +351
Sun & Local Time
- Local time 00:05
- Sunrise 07:09
- Sunset 17:27
- Day length 10 h 18 min
Other populated places nearby
Nearby
Weather in Dem
Current conditions and a 3-day (72-hour) weather forecast for Dem, updated from the NOAA GFS model.
Now 17.2 C with mostly clear skies and a 1.2 m/s northerly wind. Next 24h: 7.6 to 17.2 C, max wind 2.3 m/s. No precipitation expected. Solar peaks near 309 W/m2.
Temperature
17.2 C
Wind
1.2 m/s N (18 deg)
Humidity
39 %
Pressure
1,017.0 hPa
Clouds
0 %
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 | 17.2 | 1.2 | 18 | 39 | 1,017.0 | - / 0.00 | 0 | 0.0 | n/a |
| 6h | 12.6 | 0.9 | 85 | 58 | 1,015.4 | 0.00 / 0.00 | 2 | 308.9 | n/a |
| 12h | 9.5 | 2.3 | 73 | 64 | 1,015.6 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 18h | 7.6 | 2.2 | 91 | 68 | 1,014.8 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| Tomorrow | 15.8 | 0.9 | 293 | 42 | 1,014.5 | 0.00 / 0.00 | 0 | 245.1 | n/a |
| 30h | 10.0 | 2.0 | 346 | 83 | 1,014.4 | 0.00 / 0.00 | 0 | 299.4 | n/a |
| 36h | 8.3 | 1.8 | 85 | 71 | 1,015.3 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 42h | 7.0 | 1.8 | 92 | 62 | 1,016.5 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| Thursday | 15.6 | 1.5 | 235 | 37 | 1,018.6 | 0.00 / 0.00 | 0 | 246.8 | n/a |
| 54h | 9.5 | 0.6 | 356 | 61 | 1,019.5 | 0.00 / 0.00 | 20 | 298.5 | n/a |
| 60h | 7.7 | 1.8 | 97 | 65 | 1,021.0 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 66h | 7.6 | 1.9 | 94 | 59 | 1,021.3 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| Friday | 15.7 | 1.7 | 177 | 44 | 1,022.1 | 0.00 / 0.00 | 100 | 210.2 | n/a |
Source: NOAA GFS 0.25° (run 2026-11-03 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Dem?
Now 17.2 C with mostly clear skies and a 1.2 m/s northerly wind. Next 24h: 7.6 to 17.2 C, max wind 2.3 m/s. No precipitation expected. Solar peaks near 309 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 Dem today?
Sunrise around 07:09 and sunset around 17:27 (local time). Day length about 10h 18m.
What is the local time in Dem?
Local time is 00:05. Time zone: Europe/Lisbon (UTC+00:00).
What type of place is Dem?
Dem is a populated place.
What is the elevation of Dem?
DEM 257 m.
Where is Dem located?
It is at 41.84124, -8.77312 (latitude, longitude).
Which country is Dem in?
It is in Portugal.