Solarposition.org

New Aquitaine · France · 44.64° N · 1.07° W

Solar position in Gujan-Mestras

Sun position, daylight and the best solar panel angle for Gujan-Mestras — computed for 44.64° N, 1.07° W, 5 m above sea level.

Sunrise today08:31106° ESE
Sunset today19:05254° WSW
Best panel angle35°year-round, facing south
Off-grid angle63°best for the darkest month

The sun right now

Azimuth180.0°
Elevation33.5°
At solar noon, 13:48Open on the sun map

Sun in Gujan-Mestras today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:53sun 18° below horizon
Nautical dawn07:2712° below
Civil dawn08:016° below
Sunrise08:31106° ESE
Golden hour ends09:11sun 6° up
Solar noon13:4833.5° high
Golden hour starts18:24sun 6° up
Sunset19:05254° WSW
Civil dusk19:356° below
Nautical dusk20:0912° below
Astronomical dusk20:4218° below
Day length10 h 34 min

Sun path diagram for Gujan-Mestras

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 solstice91011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 68.8° at solar noon in Gujan-Mestras; on the December solstice only 22.0°. 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
January08:3313:1517:579 h 24 min25.6°
February07:5513:1818:4110 h 46 min34.9°
March07:0513:1119:1712 h 12 min45.7°
April07:1014:0320:5613 h 46 min57.3°
May06:3014:0021:3115 h 02 min65.6°
June06:1814:0621:5315 h 34 min68.8°
July06:3814:1021:4215 h 03 min65.8°
August07:1314:0721:0013 h 47 min57.4°
September07:5013:5720:0312 h 14 min46.0°
October08:2713:4819:0910 h 43 min34.6°
November08:0812:4917:319 h 22 min25.4°
December08:3813:0217:268 h 49 min22.0°

A year of daylight in Gujan-Mestras

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 Gujan-Mestras

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

35°collects the most energy over a year: 1347 kWh per kWp.

63°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 35°Best worst-month 63°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°113684%0.945.5×
15°127695%1.383.8×
30°1342100%1.732.9×
35° year-round best1347100%1.832.7×
45° = latitude133299%1.982.3×
60°124592%2.102.0×
63° off-grid best122091%2.112.0×
70°114985%2.111.9×
90°87965%1.961.6×

A fixed array in Gujan-Mestras produces the most over a year at 35°. The design month for an off-grid system is December: at 63° it makes 2.11 kWh per kWp a day, 16% more than at 35°, and costs 9% of the yearly total. Why steep panels win winter.

Off-grid solar in Gujan-Mestras at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).

0123456January: 2.09 (70°)2.1JanFebruary: 3.07 (70°)3.1FebMarch: 3.57 (70°)3.6MarApril: 3.65 (70°)3.7AprMay: 3.41 (70°)3.4MayJune: 3.29 (70°)3.3JunJuly: 3.38 (70°)3.4JulAugust: 3.63 (70°)3.6AugSeptember: 3.93 (70°)3.9SepOctober: 3.22 (70°)3.2OctNovember: 2.45 (70°)2.4NovDecember: 2.11 (70°)2.1Dec35°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 35°Mean temp.
January1.352.392.091.878.0 °C
February2.333.513.072.967.9 °C
March3.554.113.573.8510.2 °C
April4.844.253.654.5212.6 °C
May5.734.023.414.7615.5 °C
June6.313.953.294.9119.1 °C
July6.254.083.384.9321.0 °C
August5.504.373.634.7521.1 °C
September4.394.683.934.4319.0 °C
October2.763.793.223.2315.8 °C
November1.642.842.452.2311.5 °C
December1.222.432.111.838.6 °C
Year3.83 avg3.70 avg1149 kWh1347 kWh

Sizing example. To run a 1 kWh-per-day load through January on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 570 Wp of panels at 70°, versus 650 Wp at 35°. The steep array is 12% smaller for the same winter. Size your own system.

Row spacing in Gujan-Mestras

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.

6.2 mrow pitch at 70°

5.0 mrow pitch at 35°

Row spacing calculator

How Gujan-Mestras compares in France

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

114thof 657 places in France for sunshine: 3.83 peak sun hours a day on flat ground.

+7%solar energy a year compared with the average place in France: 1,347 against 1,261 kWh per kWp.

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

35°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); Gujan-Mestras ranks 114th. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 2.09 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 49 min, +34 min compared with Paris.

The sunniest places in France

Solar forecast for Gujan-Mestras, 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 Gujan-Mestras

What is the best solar panel angle in Gujan-Mestras?
For a fixed array facing south, the best year-round tilt in Gujan-Mestras is 35°, worth about 1347 kWh per kWp a year. An off-grid system that has to get through December does better at about 63°.
What time is sunrise and sunset in Gujan-Mestras today?
On 24 October 2026 the sun rises at 08:31 and sets at 19:05 local time (UTC+2), giving 10 h 34 min of daylight. Solar noon is at 13:48.
How many peak sun hours does Gujan-Mestras get?
On a flat surface 3.8 hours a day averaged over the year, from 1.2 in December to 6.3 in June. Panels tilted at 70° receive 2.4 sun hours a day in January.
How high does the sun get in Gujan-Mestras?
At solar noon the sun stands 68.8° above the horizon on the June solstice and 22.0° on the December solstice.
Is Gujan-Mestras a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Gujan-Mestras ranks 114th of 657 places in France for sunshine. A 1 kWp array at the best angle (35°) makes about 1,347 kWh a year here, 7% more than the average place in France.

Places near Gujan-Mestras

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.