Solarposition.org

Normandy · France · 49.38° N · 1.10° E

Solar position in Saint-Étienne-du-Rouvray

Sun position, daylight and the best solar panel angle for Saint-Étienne-du-Rouvray — computed for 49.38° N, 1.10° E, 14 m above sea level.

Sunrise today08:30107° ESE
Sunset today18:48253° WSW
Best panel angle38°year-round, facing south
Off-grid angle71°best for the darkest month

The sun right now

Azimuth180.0°
Elevation28.8°
At solar noon, 13:39Open on the sun map

Sun in Saint-Étienne-du-Rouvray today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:43sun 18° below horizon
Nautical dawn07:2012° below
Civil dawn07:576° below
Sunrise08:30107° ESE
Golden hour ends09:15sun 6° up
Solar noon13:3928.8° high
Golden hour starts18:02sun 6° up
Sunset18:48253° WSW
Civil dusk19:206° below
Nautical dusk19:5812° below
Astronomical dusk20:3418° below
Day length10 h 17 min

Sun path diagram for Saint-Étienne-du-Rouvray

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 solstice789101112131415161718192021EquinoxDecember solstice910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 64.1° at solar noon in Saint-Étienne-du-Rouvray; on the December solstice only 17.2°. Sunrise swings from 51° NE in June to 126° SE in December — a 75° 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
January08:4013:0717:338 h 53 min20.8°
February07:5313:0918:2510 h 31 min30.2°
March06:5613:0319:0912 h 13 min41.0°
April06:5213:5420:5714 h 05 min52.6°
May06:0413:5221:4015 h 36 min60.9°
June05:4913:5722:0516 h 16 min64.1°
July06:1214:0121:5015 h 38 min61.0°
August06:5513:5821:0114 h 06 min52.6°
September07:4013:4819:5512 h 16 min41.2°
October08:2513:3918:5310 h 28 min29.9°
November08:1512:4117:068 h 51 min20.7°
December08:4812:5316:588 h 10 min17.2°

A year of daylight in Saint-Étienne-du-Rouvray

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 Saint-Étienne-du-Rouvray

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

38°collects the most energy over a year: 1165 kWh per kWp.

71°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 38°Best worst-month 71°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°95882%0.588.1×
15°108793%0.935.2×
30°115599%1.223.9×
38° year-round best1165100%1.353.4×
45°115899%1.443.0×
49° = latitude114899%1.482.8×
60°109794%1.572.5×
70°102288%1.602.3×
71° off-grid best101487%1.602.3×
90°80569%1.521.8×

A fixed array in Saint-Étienne-du-Rouvray produces the most over a year at 38°. The design month for an off-grid system is December: at 71° it makes 1.60 kWh per kWp a day, 18% more than at 38°, and costs 13% of the yearly total. Why steep panels win winter.

Off-grid solar in Saint-Étienne-du-Rouvray at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 38° (year-round best).

012345January: 1.66 (70°)1.7JanFebruary: 2.38 (70°)2.4FebMarch: 3.12 (70°)3.1MarApril: 3.64 (70°)3.6AprMay: 3.36 (70°)3.4MayJune: 3.30 (70°)3.3JunJuly: 3.31 (70°)3.3JulAugust: 3.33 (70°)3.3AugSeptember: 3.44 (70°)3.4SepOctober: 2.62 (70°)2.6OctNovember: 1.85 (70°)1.9NovDecember: 1.60 (70°)1.6Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January0.921.891.661.464.0 °C
February1.672.692.382.264.3 °C
March2.883.553.123.286.6 °C
April4.444.193.644.319.7 °C
May5.153.933.364.4012.8 °C
June5.673.913.304.5516.0 °C
July5.503.963.314.4817.9 °C
August4.643.973.334.1317.8 °C
September3.604.043.443.7815.2 °C
October2.103.052.622.5911.9 °C
November1.112.131.851.667.8 °C
December0.771.821.601.354.7 °C
Year3.21 avg3.26 avg1022 kWh1165 kWh

Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 740 Wp of panels at 70°, versus 870 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Saint-Étienne-du-Rouvray

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.

8.2 mrow pitch at 70°

6.5 mrow pitch at 38°

Row spacing calculator

How Saint-Étienne-du-Rouvray compares in France

Against the other 656 places in France with climate data, for a fixed array at its best angle.

586thof 657 places in France for sunshine, shared: 3.21 peak sun hours a day on flat ground.

−8%solar energy a year compared with the average place in France: 1,165 against 1,261 kWh per kWp.

+5 mindaylight on the longest day, compared with Paris: 16 h 16 min against 16 h 11 min.

38°best year-round tilt here; across France it runs from 33° in Ajaccio to 39° in Lille.

Of the 657 places in France, Marseille 12 and 5 other places get the most sun (4.46 peak sun hours a day) and Maubeuge and one other place the least (3.10); Saint-Étienne-du-Rouvray ranks joint 586th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.60 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 10 min, −5 min compared with Paris.

The sunniest places in France

Solar forecast for Saint-Étienne-du-Rouvray, 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 Saint-Étienne-du-Rouvray

What is the best solar panel angle in Saint-Étienne-du-Rouvray?
For a fixed array facing south, the best year-round tilt in Saint-Étienne-du-Rouvray is 38°, worth about 1165 kWh per kWp a year. An off-grid system that has to get through December does better at about 71°.
What time is sunrise and sunset in Saint-Étienne-du-Rouvray today?
On 24 October 2026 the sun rises at 08:30 and sets at 18:48 local time (UTC+2), giving 10 h 17 min of daylight. Solar noon is at 13:39.
How many peak sun hours does Saint-Étienne-du-Rouvray get?
On a flat surface 3.2 hours a day averaged over the year, from 0.8 in December to 5.7 in June. Panels tilted at 70° receive 1.8 sun hours a day in December.
How high does the sun get in Saint-Étienne-du-Rouvray?
At solar noon the sun stands 64.1° above the horizon on the June solstice and 17.2° on the December solstice.
Is Saint-Étienne-du-Rouvray a good place for solar panels?
With 3.2 peak sun hours a day on flat ground, Saint-Étienne-du-Rouvray ranks joint 586th of 657 places in France for sunshine. A 1 kWp array at the best angle (38°) makes about 1,165 kWh a year here, 8% less than the average place in France.

Places near Saint-Étienne-du-Rouvray

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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.