Location & Surroundings
Riachão is a settlement in Maranhao, Brazil, at 104 m elevation. The nearest larger town is Lago do Junco, 6 km to the south. The national capital Brasilia is about 1290 km to the south. The nearest airport is Presidente Dutra, about 105 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
4° 32' 57" S, 45° 2' 42" W
- Elevation DEM: 104 m
- Timezone America/Fortaleza
- Time Shift GMT -3 (DST -3)
Statistics & Country
- Pop. Density 378 p/km²
- Built-up 3.0%
- Settlement Low density rural
- Currency Real (BRL)
- Phone Prefix +55
Sun & Local Time
- Local time 08:12
- Sunrise 05:42
- Sunset 17:54
- Day length 12 h 12 min
Other populated places nearby
Nearby
Alternate Names
pt
Riachão
Weather in Riachao
Current conditions and a 3-day (72-hour) weather forecast for Riachao, updated from the NOAA GFS model.
Now 27.3 C with mostly clear skies and a 2.5 m/s northerly wind. Next 24h: 21.1 to 39.3 C, max wind 3.4 m/s. No precipitation expected. Solar peaks near 934 W/m2.
Temperature
27.3 C
Wind
2.5 m/s N (356 deg)
Humidity
52 %
Pressure
1,011.6 hPa
Clouds
1 %
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 | 27.3 | 2.5 | 356 | 52 | 1,011.6 | - / 0.00 | 1 | 0.0 | n/a |
| 6h | 21.1 | 1.0 | 324 | 91 | 1,011.2 | 0.00 / 0.00 | 5 | 0.0 | n/a |
| 12h | 30.9 | 2.6 | 70 | 46 | 1,014.2 | 0.00 / 0.00 | 4 | 191.9 | n/a |
| 18h | 39.3 | 3.4 | 95 | 16 | 1,006.7 | 0.00 / 0.00 | 6 | 933.5 | n/a |
| Tomorrow | 30.5 | 2.6 | 15 | 27 | 1,009.4 | 0.00 / 0.00 | 99 | 149.8 | n/a |
| 30h | 21.7 | 1.1 | 349 | 88 | 1,009.2 | 0.00 / 0.00 | 4 | 0.0 | n/a |
| 36h | 30.9 | 4.1 | 77 | 52 | 1,013.4 | 0.00 / 0.00 | 0 | 180.7 | n/a |
| 42h | 40.6 | 2.8 | 78 | 18 | 1,005.2 | 0.00 / 0.00 | 22 | 921.8 | n/a |
| Thursday | 29.6 | 4.8 | 23 | 48 | 1,009.0 | 0.00 / 0.00 | 89 | 146.4 | n/a |
| 54h | 22.9 | 1.3 | 5 | 83 | 1,009.8 | 0.00 / 0.00 | 32 | 0.0 | n/a |
| 60h | 31.0 | 3.9 | 66 | 50 | 1,013.3 | 0.00 / 0.00 | 0 | 190.0 | n/a |
| 66h | 39.9 | 2.9 | 77 | 20 | 1,006.4 | 0.00 / 0.00 | 5 | 923.1 | n/a |
| Friday | 27.9 | 4.5 | 7 | 59 | 1,009.8 | 0.00 / 0.00 | 5 | 146.3 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-06 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Riachao?
Now 27.3 C with mostly clear skies and a 2.5 m/s northerly wind. Next 24h: 21.1 to 39.3 C, max wind 3.4 m/s. No precipitation expected. Solar peaks near 934 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 Riachao today?
Sunrise around 05:42 and sunset around 17:54 (local time). Day length about 12h 12m.
What is the local time in Riachao?
Local time is 08:12. Time zone: America/Fortaleza (UTC-03:00).
What type of place is Riachao?
Riachao is a populated place.
What is the elevation of Riachao?
DEM 104 m.
Where is Riachao located?
It is at -4.54904, -45.04509 (latitude, longitude).
Which country is Riachao in?
It is in Brazil.