Solarposition.org

Rhône-Alpes · France · 46.37° N · 6.48° E

Solar position in Thonon-les-Bains

Sun position, daylight and the best solar panel angle for Thonon-les-Bains — computed for 46.37° N, 6.48° E, 436 m above sea level.

Sunrise today08:03106° ESE
Sunset today18:32253° WSW
Best panel angle38°year-round, facing south
Off-grid angle72°best for the darkest month

The sun right now

Azimuth180.0°
Elevation31.8°
At solar noon, 13:18Open on the sun map

Sun in Thonon-les-Bains today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:22sun 18° below horizon
Nautical dawn06:5712° below
Civil dawn07:326° below
Sunrise08:03106° ESE
Golden hour ends08:46sun 6° up
Solar noon13:1831.8° high
Golden hour starts17:49sun 6° up
Sunset18:32253° WSW
Civil dusk19:026° below
Nautical dusk19:3812° below
Astronomical dusk20:1218° below
Day length10 h 28 min

Sun path diagram for Thonon-les-Bains

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 solstice910111213141516Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 67.1° at solar noon in Thonon-les-Bains; on the December solstice only 20.2°. Sunrise swings from 54° NE in June to 124° SE in December — a 70° 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
January08:0812:4517:229 h 13 min23.8°
February07:2712:4718:0810 h 41 min33.2°
March06:3512:4118:4712 h 12 min44.0°
April06:3613:3220:2913 h 53 min55.6°
May05:5413:3021:0715 h 13 min63.9°
June05:4113:3521:3015 h 48 min67.1°
July06:0213:4021:1715 h 15 min64.0°
August06:4013:3720:3313 h 53 min55.7°
September07:1913:2619:3312 h 14 min44.2°
October07:5913:1818:3710 h 38 min32.9°
November07:4312:1916:559 h 12 min23.7°
December08:1412:3216:498 h 35 min20.2°

A year of daylight in Thonon-les-Bains

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 Thonon-les-Bains

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: 1331 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°109082%0.885.7×
15°124093%1.373.8×
30°131999%1.772.8×
38° year-round best1331100%1.952.5×
45°132499%2.072.2×
46° = latitude132299%2.092.2×
60°125594%2.251.8×
70°117188%2.291.7×
72° off-grid best115086%2.291.6×
90°92369%2.181.4×

A fixed array in Thonon-les-Bains produces the most over a year at 38°. The design month for an off-grid system is December: at 72° it makes 2.29 kWh per kWp a day, 18% more than at 38°, and costs 14% of the yearly total. Why steep panels win winter.

Off-grid solar in Thonon-les-Bains at 70°

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

0123456January: 2.77 (70°)2.8JanFebruary: 3.27 (70°)3.3FebMarch: 3.58 (70°)3.6MarApril: 3.49 (70°)3.5AprMay: 3.20 (70°)3.2MayJune: 3.33 (70°)3.3JunJuly: 3.44 (70°)3.4JulAugust: 3.60 (70°)3.6AugSeptember: 3.79 (70°)3.8SepOctober: 3.27 (70°)3.3OctNovember: 2.46 (70°)2.5NovDecember: 2.29 (70°)2.3Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January snow1.403.042.772.35-2.5 °C
February snow2.233.603.273.08-1.9 °C
March3.364.003.583.842.0 °C
April4.443.983.494.246.6 °C
May5.133.723.204.3110.6 °C
June6.063.933.334.7714.9 °C
July6.074.083.444.8416.9 °C
August5.224.263.604.6116.5 °C
September4.054.403.794.2412.5 °C
October2.613.743.273.278.4 °C
November1.502.762.462.252.8 °C
December snow1.122.532.291.95-1.3 °C
Year3.60 avg3.67 avg1171 kWh1331 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 520 Wp of panels at 70°, versus 610 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in Thonon-les-Bains

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.

6.8 mrow pitch at 70°

5.6 mrow pitch at 38°

Row spacing calculator

How Thonon-les-Bains compares in France

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

209thof 657 places in France for sunshine, shared: 3.61 peak sun hours a day on flat ground.

+6%solar energy a year compared with the average place in France: 1,331 against 1,261 kWh per kWp.

−22 mindaylight on the longest day, compared with Paris: 15 h 48 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); Thonon-les-Bains ranks joint 209th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.29 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 35 min, +21 min compared with Paris.

The sunniest places in France

Solar forecast for Thonon-les-Bains, 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 Thonon-les-Bains

What is the best solar panel angle in Thonon-les-Bains?
For a fixed array facing south, the best year-round tilt in Thonon-les-Bains is 38°, worth about 1331 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 Thonon-les-Bains today?
On 24 October 2026 the sun rises at 08:03 and sets at 18:32 local time (UTC+2), giving 10 h 28 min of daylight. Solar noon is at 13:18.
How many peak sun hours does Thonon-les-Bains get?
On a flat surface 3.6 hours a day averaged over the year, from 1.1 in December to 6.1 in July. Panels tilted at 70° receive 2.5 sun hours a day in December.
How high does the sun get in Thonon-les-Bains?
At solar noon the sun stands 67.1° above the horizon on the June solstice and 20.2° on the December solstice.
Is Thonon-les-Bains a good place for solar panels?
With 3.6 peak sun hours a day on flat ground, Thonon-les-Bains ranks joint 209th of 657 places in France for sunshine. A 1 kWp array at the best angle (38°) makes about 1,331 kWh a year here, 6% more than the average place in France.

Places near Thonon-les-Bains

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.