Solarposition.org

Brittany · France · 48.52° N · 2.77° W

Solar position in Saint-Brieuc

Sun position, daylight and the best solar panel angle for Saint-Brieuc — computed for 48.52° N, 2.77° W, 96 m above sea level.

Sunrise today07:46107° ESE
Sunset today18:03252° WSW
Best panel angle37°year-round, facing south
Off-grid angle69°best for the darkest month

The sun right now

Azimuth180.0°
Elevation29.3°
At solar noon, 12:54Open on the sun map

Sun in Saint-Brieuc today

Sunday, 25 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:00sun 18° below horizon
Nautical dawn06:3712° below
Civil dawn07:136° below
Sunrise07:46107° ESE
Golden hour ends08:30sun 6° up
Solar noon12:5429.3° high
Golden hour starts17:18sun 6° up
Sunset18:03252° WSW
Civil dusk18:356° below
Nautical dusk19:1212° below
Astronomical dusk19:4818° below
Day length10 h 17 min

Sun path diagram for Saint-Brieuc

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 solstice78910111213141516171819202122EquinoxDecember solstice1011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 64.9° at solar noon in Saint-Brieuc; on the December solstice only 18.1°. Sunrise swings from 52° NE in June to 126° SE in December — a 74° 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
January08:5313:2217:528 h 59 min21.7°
February08:0713:2418:4210 h 34 min31.1°
March07:1213:1819:2512 h 13 min41.9°
April07:0914:0921:1014 h 01 min53.5°
May06:2314:0721:5215 h 29 min61.7°
June06:0914:1222:1616 h 08 min64.9°
July06:3114:1722:0215 h 31 min61.9°
August07:1214:1421:1414 h 02 min53.5°
September07:5614:0320:1112 h 15 min42.1°
October08:3913:5519:1010 h 31 min30.7°
November08:2712:5617:258 h 58 min21.6°
December09:0013:0917:188 h 18 min18.1°

A year of daylight in Saint-Brieuc

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-Brieuc

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: 1174 kWh per kWp.

69°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 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°97583%0.637.4×
15°110294%0.975.0×
30°116799%1.243.8×
37° year-round best1174100%1.353.4×
45°116699%1.443.0×
49° = latitude115498%1.482.9×
60°110094%1.562.5×
69° off-grid best103188%1.582.3×
70°102287%1.582.3×
90°79868%1.481.9×

A fixed array in Saint-Brieuc produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 1.58 kWh per kWp a day, 17% more than at 37°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in Saint-Brieuc at 70°

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

012345January: 1.71 (70°)1.7JanFebruary: 2.47 (70°)2.5FebMarch: 3.05 (70°)3.1MarApril: 3.59 (70°)3.6AprMay: 3.40 (70°)3.4MayJune: 3.23 (70°)3.2JunJuly: 3.27 (70°)3.3JulAugust: 3.31 (70°)3.3AugSeptember: 3.46 (70°)3.5SepOctober: 2.60 (70°)2.6OctNovember: 1.94 (70°)1.9NovDecember: 1.58 (70°)1.6Dec37°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 37°Mean temp.
January1.001.961.711.506.8 °C
February1.792.812.472.356.6 °C
March2.913.493.053.247.9 °C
April4.444.143.594.2910.1 °C
May5.303.983.404.5312.7 °C
June5.653.833.234.5415.6 °C
July5.523.903.274.4917.5 °C
August4.673.943.314.1517.7 °C
September3.694.083.463.8216.1 °C
October2.153.042.602.5813.4 °C
November1.222.251.941.7510.1 °C
December0.841.811.581.357.5 °C
Year3.27 avg3.27 avg1022 kWh1174 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 750 Wp of panels at 70°, versus 880 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.

Row spacing in Saint-Brieuc

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.

7.8 mrow pitch at 70°

6.1 mrow pitch at 37°

Row spacing calculator

How Saint-Brieuc compares in France

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

410thof 657 places in France for sunshine, shared: 3.27 peak sun hours a day on flat ground.

−7%solar energy a year compared with the average place in France: 1,174 against 1,261 kWh per kWp.

−3 mindaylight on the longest day, compared with Paris: 16 h 08 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); Saint-Brieuc ranks joint 410th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.58 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 18 min, +3 min compared with Paris.

The sunniest places in France

Solar forecast for Saint-Brieuc, 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-Brieuc

What is the best solar panel angle in Saint-Brieuc?
For a fixed array facing south, the best year-round tilt in Saint-Brieuc is 37°, worth about 1174 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 Saint-Brieuc today?
On 25 October 2026 the sun rises at 07:46 and sets at 18:03 local time (UTC+2), giving 10 h 17 min of daylight. Solar noon is at 12:54.
How many peak sun hours does Saint-Brieuc get?
On a flat surface 3.3 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-Brieuc?
At solar noon the sun stands 64.9° above the horizon on the June solstice and 18.1° on the December solstice.
Is Saint-Brieuc a good place for solar panels?
With 3.3 peak sun hours a day on flat ground, Saint-Brieuc ranks joint 410th of 657 places in France for sunshine. A 1 kWp array at the best angle (37°) makes about 1,174 kWh a year here, 7% less than the average place in France.

Places near Saint-Brieuc

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.