Solarposition.org

Rhône-Alpes · France · 44.95° N · 4.89° E

Solar position in Bourg-lès-Valence

Sun position, daylight and the best solar panel angle for Bourg-lès-Valence — computed for 44.95° N, 4.89° E, 115 m above sea level.

Sunrise today08:07106° ESE
Sunset today18:40254° WSW
Best panel angle37°year-round, facing south
Off-grid angle69°best for the darkest month

The sun right now

Azimuth180.0°
Elevation33.2°
At solar noon, 13:24Open on the sun map

Sun in Bourg-lès-Valence today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:29sun 18° below horizon
Nautical dawn07:0312° below
Civil dawn07:376° below
Sunrise08:07106° ESE
Golden hour ends08:48sun 6° up
Solar noon13:2433.2° high
Golden hour starts17:59sun 6° up
Sunset18:40254° WSW
Civil dusk19:106° below
Nautical dusk19:4512° below
Astronomical dusk20:1818° below
Day length10 h 33 min

Sun path diagram for Bourg-lès-Valence

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 68.5° at solar noon in Bourg-lès-Valence; on the December solstice only 21.7°. Sunrise swings from 55° NE in June to 123° ESE in December — a 68° 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
January08:1012:5117:329 h 22 min25.2°
February07:3112:5418:1610 h 45 min34.6°
March06:4112:4718:5312 h 12 min45.4°
April06:4513:3920:3313 h 47 min57.0°
May06:0513:3721:0915 h 04 min65.3°
June05:5313:4221:3015 h 37 min68.5°
July06:1313:4621:1915 h 05 min65.5°
August06:4913:4320:3713 h 48 min57.1°
September07:2613:3319:4012 h 14 min45.7°
October08:0313:2418:4510 h 42 min34.3°
November07:4512:2617:069 h 21 min25.1°
December08:1512:3817:018 h 46 min21.7°

A year of daylight in Bourg-lès-Valence

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 Bourg-lès-Valence

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

37°collects the most energy over a year: 1415 kWh per kWp.

69°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 37°Best worst-month 69°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°117283%0.985.5×
15°132894%1.533.6×
30°140799%1.982.7×
37° year-round best1415100%2.142.4×
45° = latitude140399%2.302.1×
60°131893%2.471.7×
69° off-grid best123187%2.491.6×
70°122086%2.491.6×
90°93966%2.331.5×

A fixed array in Bourg-lès-Valence produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 2.49 kWh per kWp a day, 16% more than at 37°, and costs 13% of the yearly total. Why steep panels win winter.

Off-grid solar in Bourg-lès-Valence at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).

0123456January: 2.67 (70°)2.7JanFebruary: 3.32 (70°)3.3FebMarch: 3.82 (70°)3.8MarApril: 3.69 (70°)3.7AprMay: 3.40 (70°)3.4MayJune: 3.45 (70°)3.4JunJuly: 3.58 (70°)3.6JulAugust: 3.80 (70°)3.8AugSeptember: 3.94 (70°)3.9SepOctober: 3.28 (70°)3.3OctNovember: 2.68 (70°)2.7NovDecember: 2.49 (70°)2.5Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January1.482.972.672.361.5 °C
February2.373.713.323.202.2 °C
March3.654.323.824.115.8 °C
April4.814.253.694.559.7 °C
May5.653.993.404.7013.6 °C
June6.634.123.455.1118.4 °C
July6.684.313.585.2020.9 °C
August5.724.573.804.9620.4 °C
September4.324.633.944.4416.0 °C
October2.713.803.283.3011.6 °C
November1.653.042.682.436.0 °C
December1.262.792.492.142.3 °C
Year3.92 avg3.88 avg1220 kWh1415 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 470 Wp of panels at 70°, versus 550 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Bourg-lès-Valence

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.

6.3 mrow pitch at 70°

5.2 mrow pitch at 37°

Row spacing calculator

How Bourg-lès-Valence compares in France

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

90thof 657 places in France for sunshine, shared: 3.92 peak sun hours a day on flat ground.

+12%solar energy a year compared with the average place in France: 1,415 against 1,261 kWh per kWp.

−34 mindaylight on the longest day, compared with Paris: 15 h 37 min against 16 h 11 min.

37°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); Bourg-lès-Valence ranks joint 90th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.49 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 46 min, +32 min compared with Paris.

The sunniest places in France

Solar forecast for Bourg-lès-Valence, 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 Bourg-lès-Valence

What is the best solar panel angle in Bourg-lès-Valence?
For a fixed array facing south, the best year-round tilt in Bourg-lès-Valence is 37°, worth about 1415 kWh per kWp a year. An off-grid system that has to get through December does better at about 69°.
What time is sunrise and sunset in Bourg-lès-Valence today?
On 24 October 2026 the sun rises at 08:07 and sets at 18:40 local time (UTC+2), giving 10 h 33 min of daylight. Solar noon is at 13:24.
How many peak sun hours does Bourg-lès-Valence get?
On a flat surface 3.9 hours a day averaged over the year, from 1.3 in December to 6.7 in July. Panels tilted at 70° receive 2.8 sun hours a day in December.
How high does the sun get in Bourg-lès-Valence?
At solar noon the sun stands 68.5° above the horizon on the June solstice and 21.7° on the December solstice.
Is Bourg-lès-Valence a good place for solar panels?
With 3.9 peak sun hours a day on flat ground, Bourg-lès-Valence ranks joint 90th of 657 places in France for sunshine. A 1 kWp array at the best angle (37°) makes about 1,415 kWh a year here, 12% more than the average place in France.

Places near Bourg-lès-Valence

All places in France

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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.