Rhône-Alpes · France · 45.94° N · 6.63° E
Solar position in Sallanches
Sun position, daylight and the best solar panel angle for Sallanches — computed for 45.94° N, 6.63° E, 580 m above sea level.
The sun right now
Sun in Sallanches today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:22 | sun 18° below horizon |
| Nautical dawn | 06:56 | 12° below |
| Civil dawn | 07:31 | 6° below |
| Sunrise | 08:02 | 106° ESE |
| Golden hour ends | 08:44 | sun 6° up |
| Solar noon | 13:17 | 32.2° high |
| Golden hour starts | 17:50 | sun 6° up |
| Sunset | 18:32 | 254° WSW |
| Civil dusk | 19:02 | 6° below |
| Nautical dusk | 19:37 | 12° below |
| Astronomical dusk | 20:12 | 18° below |
| Day length | 10 h 30 min | |
Sun path diagram for Sallanches
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 67.5° at solar noon in Sallanches; on the December solstice only 20.7°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 08:07 | 12:44 | 17:22 | 9 h 16 min | 24.3° |
| February | 07:26 | 12:47 | 18:08 | 10 h 42 min | 33.6° |
| March | 06:34 | 12:40 | 18:47 | 12 h 12 min | 44.4° |
| April | 06:37 | 13:32 | 20:28 | 13 h 51 min | 56.0° |
| May | 05:55 | 13:30 | 21:05 | 15 h 10 min | 64.3° |
| June | 05:42 | 13:35 | 21:27 | 15 h 45 min | 67.5° |
| July | 06:03 | 13:39 | 21:15 | 15 h 12 min | 64.5° |
| August | 06:40 | 13:36 | 20:31 | 13 h 52 min | 56.1° |
| September | 07:19 | 13:26 | 19:33 | 12 h 14 min | 44.7° |
| October | 07:58 | 13:17 | 18:37 | 10 h 39 min | 33.3° |
| November | 07:41 | 12:19 | 16:56 | 9 h 15 min | 24.1° |
| December | 08:12 | 12:31 | 16:50 | 8 h 39 min | 20.7° |
A year of daylight in Sallanches
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Sallanches
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1369 kWh per kWp.
67°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1114 | 81% | 0.96 | 5.3× |
| 15° | 1269 | 93% | 1.51 | 3.5× |
| 30° | 1354 | 99% | 1.98 | 2.6× |
| 39° year-round best | 1369 | 100% | 2.22 | 2.2× |
| 45° | 1364 | 100% | 2.35 | 2.0× |
| 46° = latitude | 1362 | 99% | 2.37 | 2.0× |
| 60° | 1299 | 95% | 2.57 | 1.6× |
| 67° off-grid best | 1244 | 91% | 2.63 | 1.5× |
| 70° | 1216 | 89% | 2.64 | 1.5× |
| 90° | 969 | 71% | 2.57 | 1.6× |
A fixed array in Sallanches produces the most over a year at 39°. The design month for an off-grid system is December: at 67° it makes 2.63 kWh per kWp a day, 19% more than at 39°, and costs 9% of the yearly total. Why steep panels win winter.
Off-grid solar in Sallanches at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.49 | 3.30 | 3.03 | 2.59 | -4.3 °C |
| February snow | 2.28 | 3.88 | 3.56 | 3.27 | -3.8 °C |
| March snow | 3.37 | 4.20 | 3.79 | 3.93 | 0.1 °C |
| April | 4.40 | 3.91 | 3.46 | 4.21 | 4.9 °C |
| May | 5.14 | 3.70 | 3.20 | 4.31 | 9.0 °C |
| June | 6.10 | 3.92 | 3.34 | 4.77 | 13.5 °C |
| July | 6.19 | 4.13 | 3.49 | 4.92 | 15.4 °C |
| August | 5.33 | 4.32 | 3.67 | 4.70 | 15.0 °C |
| September | 4.11 | 4.44 | 3.84 | 4.32 | 11.1 °C |
| October | 2.67 | 3.80 | 3.34 | 3.36 | 7.0 °C |
| November | 1.56 | 2.91 | 2.62 | 2.40 | 1.2 °C |
| December snow | 1.21 | 2.89 | 2.64 | 2.22 | -3.0 °C |
| Year | 3.66 avg | 3.78 avg | 1216 kWh | 1369 kWh |
Sizing example. To run a 1 kWh-per-day load through November on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 450 Wp of panels at 70°, versus 530 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Sallanches
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.
6.7 mrow pitch at 70°
5.6 mrow pitch at 39°
How Sallanches compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
190thof 657 places in France for sunshine, shared: 3.66 peak sun hours a day on flat ground.
+9%solar energy a year compared with the average place in France: 1,369 against 1,261 kWh per kWp.
−26 mindaylight on the longest day, compared with Paris: 15 h 45 min against 16 h 11 min.
39°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); Sallanches ranks joint 190th. In its darkest month, November, 1 kWp of off-grid panels at 70° makes 2.62 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 39 min, +24 min compared with Paris.
Solar forecast for Sallanches, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Sallanches
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A free, live card for Sallanches: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
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.