Solarposition.org

Hauts-de-France · France · 50.72° N · 1.61° E

Solar position in Boulogne-sur-Mer

Sun position, daylight and the best solar panel angle for Boulogne-sur-Mer — computed for 50.72° N, 1.61° E, 43 m above sea level.

Sunrise today08:31108° ESE
Sunset today18:43252° WSW
Best panel angle38°year-round, facing south
Off-grid angle72°best for the darkest month

The sun right now

Azimuth180.0°
Elevation27.5°
At solar noon, 13:37Open on the sun map

Sun in Boulogne-sur-Mer today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:41sun 18° below horizon
Nautical dawn07:1912° below
Civil dawn07:576° below
Sunrise08:31108° ESE
Golden hour ends09:18sun 6° up
Solar noon13:3727.5° high
Golden hour starts17:56sun 6° up
Sunset18:43252° WSW
Civil dusk19:176° below
Nautical dusk19:5512° below
Astronomical dusk20:3318° below
Day length10 h 12 min

Sun path diagram for Boulogne-sur-Mer

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 solstice6789101112131415161718192021EquinoxDecember solstice10111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 62.7° at solar noon in Boulogne-sur-Mer; on the December solstice only 15.9°. Sunrise swings from 50° NE in June to 128° SE in December — a 78° 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
January08:4313:0517:268 h 43 min19.5°
February07:5413:0718:2010 h 27 min28.9°
March06:5413:0019:0812 h 14 min39.6°
April06:4713:5220:5814 h 11 min51.2°
May05:5613:5021:4415 h 47 min59.5°
June05:4013:5522:1016 h 30 min62.7°
July06:0413:5921:5415 h 49 min59.7°
August06:5013:5621:0114 h 12 min51.3°
September07:3813:4619:5412 h 16 min39.9°
October08:2613:3718:4910 h 23 min28.5°
November08:1812:3916:598 h 41 min19.3°
December08:5212:5116:507 h 57 min15.9°

A year of daylight in Boulogne-sur-Mer

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 Boulogne-sur-Mer

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: 1160 kWh per kWp.

72°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 72°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°95182%0.499.9×
15°108193%0.786.4×
30°115099%1.034.8×
38° year-round best1160100%1.134.2×
45°115499%1.213.7×
51° = latitude113798%1.263.4×
60°109394%1.323.1×
70°101988%1.342.8×
72° off-grid best100186%1.342.8×
90°80169%1.282.3×

A fixed array in Boulogne-sur-Mer produces the most over a year at 38°. The design month for an off-grid system is December: at 72° it makes 1.34 kWh per kWp a day, 19% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.

Off-grid solar in Boulogne-sur-Mer at 70°

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

012345January: 1.58 (70°)1.6JanFebruary: 2.25 (70°)2.2FebMarch: 3.12 (70°)3.1MarApril: 3.80 (70°)3.8AprMay: 3.54 (70°)3.5MayJune: 3.45 (70°)3.4JunJuly: 3.45 (70°)3.4JulAugust: 3.42 (70°)3.4AugSeptember: 3.38 (70°)3.4SepOctober: 2.49 (70°)2.5OctNovember: 1.64 (70°)1.6NovDecember: 1.34 (70°)1.3Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January0.841.811.581.375.1 °C
February1.552.552.252.125.0 °C
March2.813.553.123.256.6 °C
April4.494.373.804.459.2 °C
May5.324.133.544.6112.2 °C
June5.824.083.454.7315.1 °C
July5.624.113.454.6317.2 °C
August4.654.073.424.2017.5 °C
September3.483.983.383.6815.6 °C
October1.972.912.492.4412.7 °C
November0.991.901.641.469.0 °C
December0.661.541.341.136.1 °C
Year3.19 avg3.25 avg1019 kWh1160 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 880 Wp of panels at 70°, versus 1,040 Wp at 38°. The steep array is 16% smaller for the same winter. Size your own system.

Row spacing in Boulogne-sur-Mer

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.

9.0 mrow pitch at 70°

7.0 mrow pitch at 38°

Row spacing calculator

How Boulogne-sur-Mer compares in France

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

604thof 657 places in France for sunshine, shared: 3.19 peak sun hours a day on flat ground.

−8%solar energy a year compared with the average place in France: 1,160 against 1,261 kWh per kWp.

+19 mindaylight on the longest day, compared with Paris: 16 h 30 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); Boulogne-sur-Mer ranks joint 604th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.34 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 7 h 57 min, −17 min compared with Paris.

The sunniest places in France

Solar forecast for Boulogne-sur-Mer, 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 Boulogne-sur-Mer

What is the best solar panel angle in Boulogne-sur-Mer?
For a fixed array facing south, the best year-round tilt in Boulogne-sur-Mer is 38°, worth about 1160 kWh per kWp a year. An off-grid system that has to get through December does better at about 72°.
What time is sunrise and sunset in Boulogne-sur-Mer today?
On 24 October 2026 the sun rises at 08:31 and sets at 18:43 local time (UTC+2), giving 10 h 12 min of daylight. Solar noon is at 13:37.
How many peak sun hours does Boulogne-sur-Mer get?
On a flat surface 3.2 hours a day averaged over the year, from 0.7 in December to 5.8 in June. Panels tilted at 70° receive 1.5 sun hours a day in December.
How high does the sun get in Boulogne-sur-Mer?
At solar noon the sun stands 62.7° above the horizon on the June solstice and 15.9° on the December solstice.
Is Boulogne-sur-Mer a good place for solar panels?
With 3.2 peak sun hours a day on flat ground, Boulogne-sur-Mer ranks joint 604th of 657 places in France for sunshine. A 1 kWp array at the best angle (38°) makes about 1,160 kWh a year here, 8% less than the average place in France.

Places near Boulogne-sur-Mer

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.