Solarposition.org

Guyane · French Guiana · 4.92° N · 52.27° W

Solar position in Rémire-Montjoly

Sun position, daylight and the best solar panel angle for Rémire-Montjoly — computed for 4.92° N, 52.27° W, 7 m above sea level.

Sunrise today06:13102° ESE
Sunset today18:12258° WSW
Best panel angle4°year-round, facing south
Off-grid angle0°best for the darkest month

The sun right now

Azimuth180.0°
Elevation73.2°
At solar noon, 12:13Open on the sun map

Sun in Rémire-Montjoly today

Saturday, 24 October 2026 · local time UTC−3

EventTimeDirection / height
Astronomical dawn05:03sun 18° below horizon
Nautical dawn05:2812° below
Civil dawn05:526° below
Sunrise06:13102° ESE
Golden hour ends06:42sun 6° up
Solar noon12:1373.2° high
Golden hour starts17:44sun 6° up
Sunset18:12258° WSW
Civil dusk18:336° below
Nautical dusk18:5812° below
Astronomical dusk19:2218° below
Day length11 h 58 min

Sun path diagram for Rémire-Montjoly

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 71.5° at solar noon in Rémire-Montjoly; on the December solstice only 61.7°. Sunrise swings from 66° ENE in June to 113° ESE in December — a 47° 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
January06:4312:4018:3611 h 53 min65.3°
February06:4212:4218:4211 h 59 min74.7°
March06:3212:3618:3912 h 07 min85.5°
April06:2012:2718:3512 h 15 min82.9°
May06:1412:2518:3612 h 22 min74.6°
June06:1812:3018:4312 h 24 min71.5°
July06:2412:3518:4612 h 22 min74.5°
August06:2412:3218:3912 h 15 min83.0°
September06:1812:2218:2512 h 07 min85.6°
October06:1412:1318:1311 h 59 min74.2°
November06:1812:1418:1111 h 53 min65.1°
December06:3112:2718:2211 h 50 min61.7°

A year of daylight in Rémire-Montjoly

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 Rémire-Montjoly

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

4°collects the most energy over a year: 1495 kWh per kWp.

0°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 4°Best worst-month 0°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearMay kWh/kWp/dayBest ÷ worst month
0° off-grid best1491100%3.491.5×
4° year-round best1495100%3.431.5×
5° = latitude1494100%3.411.5×
15°147399%3.201.6×
30°137392%2.761.8×
45°119980%2.172.2×
60°96765%1.523.1×
70°80154%1.133.8×
90°53536%0.962.8×

A fixed array in Rémire-Montjoly produces the most over a year at 4°. The design month for an off-grid system is May: at 0° it makes 3.49 kWh per kWp a day, 2% more than at 4°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Rémire-Montjoly at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 4° (year-round best).

0123456January: 3.06 (70°)3.1JanFebruary: 2.62 (70°)2.6FebMarch: 2.26 (70°)2.3MarApril: 1.55 (70°)1.5AprMay: 1.13 (70°)1.1MayJune: 1.03 (70°)1.0JunJuly: 0.97 (70°)1.0JulAugust: 1.32 (70°)1.3AugSeptember: 2.26 (70°)2.3SepOctober: 3.22 (70°)3.2OctNovember: 3.67 (70°)3.7NovDecember: 3.29 (70°)3.3Dec4°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 4°Mean temp.
January4.433.753.063.6025.9 °C
February4.533.232.623.6525.9 °C
March4.952.792.263.9626.1 °C
April4.781.951.553.7626.3 °C
May4.401.441.133.4326.5 °C
June4.811.321.033.7326.2 °C
July5.401.250.974.1926.2 °C
August6.041.671.324.7326.5 °C
September6.382.812.265.0626.9 °C
October6.103.983.224.9027.4 °C
November5.424.523.674.4127.3 °C
December4.514.043.293.6826.4 °C
Year5.15 avg2.73 avg801 kWh1495 kWh

Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 1,210 Wp of panels at 70°, versus 340 Wp at 4°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Rémire-Montjoly

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.

1.8 mrow pitch at 70°

2.1 mrow pitch at 4°

Row spacing calculator

How Rémire-Montjoly compares in French Guiana

Against the other 4 places in French Guiana with climate data, for a fixed array at its best angle.

2ndof 5 places in French Guiana for sunshine: 5.15 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in French Guiana: 1,495 against 1,491 kWh per kWp.

±0 mindaylight on the longest day, compared with Cayenne: 12 h 24 min against 12 h 25 min.

4°best year-round tilt here; across French Guiana it runs from 4° in Cayenne to 5° in Saint-Laurent-du-Maroni.

Of the 5 places in French Guiana, Kourou gets the most sun (5.20 peak sun hours a day) and Matoury the least (5.09); Rémire-Montjoly ranks 2nd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 0.97 kWh a day here, against 0.97 kWh on average in French Guiana. The shortest day lasts 11 h 50 min, ±0 min compared with Cayenne.

The sunniest places in French Guiana

Solar forecast for Rémire-Montjoly, 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 Rémire-Montjoly

What is the best solar panel angle in Rémire-Montjoly?
For a fixed array facing south, the best year-round tilt in Rémire-Montjoly is 4°, worth about 1495 kWh per kWp a year. An off-grid system that has to get through May does better at about 0°.
What time is sunrise and sunset in Rémire-Montjoly today?
On 24 October 2026 the sun rises at 06:13 and sets at 18:12 local time (UTC−3), giving 11 h 58 min of daylight. Solar noon is at 12:13.
How many peak sun hours does Rémire-Montjoly get?
On a flat surface 5.1 hours a day averaged over the year, from 4.4 in May to 6.4 in September. Panels tilted at 70° receive 1.3 sun hours a day in July.
How high does the sun get in Rémire-Montjoly?
At solar noon the sun stands 71.5° above the horizon on the June solstice and 61.7° on the December solstice.
Is Rémire-Montjoly a good place for solar panels?
With 5.1 peak sun hours a day on flat ground, Rémire-Montjoly ranks 2nd of 5 places in French Guiana for sunshine. A 1 kWp array at the best angle (4°) makes about 1,495 kWh a year here, as much as the average place in French Guiana.

Places near Rémire-Montjoly

All places in French Guiana

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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.