Solarposition.org

Rhône-Alpes · France · 45.70° N · 4.94° E

Solar position in Saint-Priest

Sun position, daylight and the best solar panel angle for Saint-Priest — computed for 45.70° N, 4.94° E, 226 m above sea level.

Sunrise today08:08106° ESE
Sunset today18:39254° WSW
Best panel angle36°year-round, facing south
Off-grid angle68°best for the darkest month

The sun right now

Azimuth180.0°
Elevation32.5°
At solar noon, 13:24Open on the sun map

Sun in Saint-Priest today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:29sun 18° below horizon
Nautical dawn07:0312° below
Civil dawn07:386° below
Sunrise08:08106° ESE
Golden hour ends08:50sun 6° up
Solar noon13:2432.5° high
Golden hour starts17:57sun 6° up
Sunset18:39254° WSW
Civil dusk19:096° below
Nautical dusk19:4412° below
Astronomical dusk20:1818° below
Day length10 h 31 min

Sun path diagram for Saint-Priest

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 67.7° at solar noon in Saint-Priest; on the December solstice only 20.9°. Sunrise swings from 54° NE in June to 124° ESE in December — a 69° 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
January08:1312:5117:309 h 17 min24.5°
February07:3212:5418:1510 h 43 min33.9°
March06:4112:4718:5312 h 12 min44.7°
April06:4413:3920:3413 h 50 min56.3°
May06:0213:3621:1115 h 09 min64.6°
June05:5013:4221:3315 h 43 min67.7°
July06:1113:4621:2115 h 10 min64.7°
August06:4713:4320:3813 h 51 min56.3°
September07:2513:3319:3912 h 14 min44.9°
October08:0413:2418:4410 h 40 min33.5°
November07:4712:2517:039 h 16 min24.4°
December08:1712:3816:588 h 41 min20.9°

A year of daylight in Saint-Priest

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-Priest

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

36°collects the most energy over a year: 1332 kWh per kWp.

68°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 36°Best worst-month 68°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°111283%0.856.2×
15°125594%1.284.2×
30°132599%1.633.2×
36° year-round best1332100%1.752.9×
45°131999%1.882.5×
46° = latitude131699%1.902.5×
60°123893%2.022.0×
68° off-grid best116688%2.031.9×
70°114586%2.031.9×
90°88166%1.901.6×

A fixed array in Saint-Priest produces the most over a year at 36°. The design month for an off-grid system is December: at 68° it makes 2.03 kWh per kWp a day, 17% more than at 36°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in Saint-Priest at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 36° (year-round best).

0123456January: 2.25 (70°)2.3JanFebruary: 2.98 (70°)3.0FebMarch: 3.66 (70°)3.7MarApril: 3.65 (70°)3.7AprMay: 3.31 (70°)3.3MayJune: 3.39 (70°)3.4JunJuly: 3.49 (70°)3.5JulAugust: 3.68 (70°)3.7AugSeptember: 3.78 (70°)3.8SepOctober: 3.09 (70°)3.1OctNovember: 2.32 (70°)2.3NovDecember: 2.03 (70°)2.0Dec36°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 36°Mean temp.
January1.302.512.251.991.1 °C
February2.163.332.982.861.8 °C
March3.484.143.663.925.6 °C
April4.704.203.654.479.6 °C
May5.423.893.314.5513.4 °C
June6.374.043.394.9817.9 °C
July6.364.203.495.0420.1 °C
August5.444.403.684.7619.6 °C
September4.124.443.784.2415.4 °C
October2.563.583.093.0911.2 °C
November1.482.632.322.105.6 °C
December1.082.282.031.751.9 °C
Year3.71 avg3.64 avg1145 kWh1332 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 580 Wp of panels at 70°, versus 680 Wp at 36°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Saint-Priest

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.

6.6 mrow pitch at 70°

5.3 mrow pitch at 36°

Row spacing calculator

How Saint-Priest compares in France

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

157thof 657 places in France for sunshine, shared: 3.71 peak sun hours a day on flat ground.

+6%solar energy a year compared with the average place in France: 1,332 against 1,261 kWh per kWp.

−28 mindaylight on the longest day, compared with Paris: 15 h 43 min against 16 h 11 min.

36°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-Priest ranks joint 157th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.03 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 41 min, +26 min compared with Paris.

The sunniest places in France

Solar forecast for Saint-Priest, 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-Priest

What is the best solar panel angle in Saint-Priest?
For a fixed array facing south, the best year-round tilt in Saint-Priest is 36°, worth about 1332 kWh per kWp a year. An off-grid system that has to get through December does better at about 68°.
What time is sunrise and sunset in Saint-Priest today?
On 24 October 2026 the sun rises at 08:08 and sets at 18:39 local time (UTC+2), giving 10 h 31 min of daylight. Solar noon is at 13:24.
How many peak sun hours does Saint-Priest get?
On a flat surface 3.7 hours a day averaged over the year, from 1.1 in December to 6.4 in June. Panels tilted at 70° receive 2.3 sun hours a day in December.
How high does the sun get in Saint-Priest?
At solar noon the sun stands 67.7° above the horizon on the June solstice and 20.9° on the December solstice.
Is Saint-Priest a good place for solar panels?
With 3.7 peak sun hours a day on flat ground, Saint-Priest ranks joint 157th of 657 places in France for sunshine. A 1 kWp array at the best angle (36°) makes about 1,332 kWh a year here, 6% more than the average place in France.

Places near Saint-Priest

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.