Solarposition.org

Maradi Region · Niger · 13.66° N · 6.70° E

Solar position in Guidan Roumdji

Sun position, daylight and the best solar panel angle for Guidan Roumdji — computed for 13.66° N, 6.70° E, 327 m above sea level.

Sunrise today06:25102° ESE
Sunset today18:09258° WSW
Best panel angle15°year-round, facing south
Off-grid angle3°best for the darkest month

The sun right now

Azimuth180.0°
Elevation64.5°
At solar noon, 12:17Open on the sun map

Sun in Guidan Roumdji today

Saturday, 24 October 2026 · local time UTC+1

EventTimeDirection / height
Astronomical dawn05:13sun 18° below horizon
Nautical dawn05:3812° below
Civil dawn06:036° below
Sunrise06:25102° ESE
Golden hour ends06:54sun 6° up
Solar noon12:1764.5° high
Golden hour starts17:40sun 6° up
Sunset18:09258° WSW
Civil dusk18:306° below
Nautical dusk18:5512° below
Astronomical dusk19:2018° below
Day length11 h 44 min

Sun path diagram for Guidan Roumdji

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice789101112131415161718EquinoxDecember solstice789101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 80.2° at solar noon in Guidan Roumdji; on the December solstice only 52.9°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° arc along the horizon.

Sunrise, sunset and sun height by month

Values for the 21st of each month, local clock time including daylight saving time.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January07:0012:4418:2811 h 27 min56.5°
February06:5312:4618:4011 h 46 min65.9°
March06:3612:4018:4412 h 07 min76.7°
April06:1612:3118:4712 h 30 min88.3°
May06:0512:2918:5412 h 48 min83.4°
June06:0712:3519:0312 h 56 min80.2°
July06:1512:3919:0412 h 49 min83.2°
August06:2112:3618:5112 h 31 min88.4°
September06:2212:2618:3012 h 08 min76.9°
October06:2412:1718:1011 h 46 min65.6°
November06:3512:1818:0211 h 27 min56.4°
December06:5112:3118:1011 h 19 min52.9°

A year of daylight in Guidan Roumdji

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Guidan Roumdji

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

15°collects the most energy over a year: 1807 kWh per kWp.

3°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 15°Best worst-month 3°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearAugust kWh/kWp/dayBest ÷ worst month
0°175897%4.601.2×
3° off-grid best177598%4.581.1×
14° = latitude1807100%4.441.2×
15° year-round best1807100%4.421.2×
30°175797%4.011.4×
45°161189%3.391.8×
60°138076%2.602.4×
70°119166%2.013.0×
90°82045%1.153.5×

A fixed array in Guidan Roumdji produces the most over a year at 15°. The design month for an off-grid system is August: at 3° it makes 4.58 kWh per kWp a day, 4% more than at 15°, and costs 2% of the yearly total. Why steep panels win winter.

Off-grid solar in Guidan Roumdji at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 15° (year-round best).

0123456January: 4.83 (70°)4.8JanFebruary: 4.25 (70°)4.2FebMarch: 3.48 (70°)3.5MarApril: 2.63 (70°)2.6AprMay: 1.94 (70°)1.9MayJune: 1.68 (70°)1.7JunJuly: 1.70 (70°)1.7JulAugust: 2.01 (70°)2.0AugSeptember: 2.93 (70°)2.9SepOctober: 3.88 (70°)3.9OctNovember: 4.79 (70°)4.8NovDecember: 5.08 (70°)5.1Dec15°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 15°Mean temp.
January5.635.824.835.1621.8 °C
February6.165.194.255.2925.4 °C
March6.514.323.485.2329.2 °C
April6.643.332.635.0232.5 °C
May6.492.491.944.7233.2 °C
June6.292.161.684.5331.6 °C
July6.082.161.704.4628.9 °C
August5.802.512.014.4226.8 °C
September6.273.622.935.0027.3 °C
October6.174.793.885.1827.8 °C
November5.885.854.795.2725.5 °C
December5.536.135.085.1522.5 °C
Year6.12 avg4.02 avg1191 kWh1807 kWh

Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 700 Wp of panels at 70°, versus 270 Wp at 15°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Guidan Roumdji

Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.

2.3 mrow pitch at 70°

2.4 mrow pitch at 15°

Row spacing calculator

How Guidan Roumdji compares in Niger

Against the other 41 places in Niger with climate data, for a fixed array at its best angle.

25thof 42 places in Niger for sunshine: 6.12 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Niger: 1,807 against 1,815 kWh per kWp.

+1 mindaylight on the longest day, compared with Niamey: 12 h 56 min against 12 h 55 min.

15°best year-round tilt here; across Niger it runs from 13° in Gaya to 19° in Arlit.

Of the 42 places in Niger, Arlit gets the most sun (6.52 peak sun hours a day) and Gaya the least (5.74); Guidan Roumdji ranks 25th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.68 kWh a day here, against 1.69 kWh on average in Niger. The shortest day lasts 11 h 19 min, −1 min compared with Niamey.

The sunniest places in Niger

Solar forecast for Guidan Roumdji, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Guidan Roumdji

What is the best solar panel angle in Guidan Roumdji?
For a fixed array facing south, the best year-round tilt in Guidan Roumdji is 15°, worth about 1807 kWh per kWp a year. An off-grid system that has to get through August does better at about 3°.
What time is sunrise and sunset in Guidan Roumdji today?
On 24 October 2026 the sun rises at 06:25 and sets at 18:09 local time (UTC+1), giving 11 h 44 min of daylight. Solar noon is at 12:17.
How many peak sun hours does Guidan Roumdji get?
On a flat surface 6.1 hours a day averaged over the year, from 5.5 in December to 6.6 in April. Panels tilted at 70° receive 2.2 sun hours a day in June.
How high does the sun get in Guidan Roumdji?
At solar noon the sun stands 80.2° above the horizon on the June solstice and 52.9° on the December solstice.
Is Guidan Roumdji a good place for solar panels?
With 6.1 peak sun hours a day on flat ground, Guidan Roumdji ranks 25th of 42 places in Niger for sunshine. A 1 kWp array at the best angle (15°) makes about 1,807 kWh a year here, as much as the average place in Niger.

Places near Guidan Roumdji

All places in Niger

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Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.