Solarposition.org

Neuchâtel · Switzerland · 47.10° N · 6.83° E

Solar position in La Chaux-de-Fonds

Sun position, daylight and the best solar panel angle for La Chaux-de-Fonds — computed for 47.10° N, 6.83° E, 995 m above sea level.

Sunrise today08:03107° ESE
Sunset today18:29253° WSW
Best panel angle38°year-round, facing south
Off-grid angle72°best for the darkest month

The sun right now

Azimuth180.0°
Elevation31.1°
At solar noon, 13:16Open on the sun map

Sun in La Chaux-de-Fonds today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:21sun 18° below horizon
Nautical dawn06:5612° below
Civil dawn07:326° below
Sunrise08:03107° ESE
Golden hour ends08:46sun 6° up
Solar noon13:1631.1° high
Golden hour starts17:46sun 6° up
Sunset18:29253° WSW
Civil dusk19:006° below
Nautical dusk19:3612° below
Astronomical dusk20:1118° below
Day length10 h 26 min

Sun path diagram for La Chaux-de-Fonds

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 66.3° at solar noon in La Chaux-de-Fonds; on the December solstice only 19.5°. Sunrise swings from 53° NE in June to 125° SE in December — a 72° 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
January08:0912:4417:189 h 09 min23.1°
February07:2712:4618:0510 h 38 min32.5°
March06:3312:4018:4612 h 13 min43.3°
April06:3413:3120:2913 h 56 min54.9°
May05:5013:2921:0815 h 18 min63.1°
June05:3713:3421:3115 h 55 min66.3°
July05:5813:3921:1815 h 20 min63.3°
August06:3713:3520:3313 h 56 min54.9°
September07:1813:2519:3212 h 15 min43.5°
October07:5913:1718:3410 h 35 min32.1°
November07:4412:1816:519 h 07 min23.0°
December08:1512:3016:458 h 30 min19.5°

A year of daylight in La Chaux-de-Fonds

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 La Chaux-de-Fonds

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: 1276 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°105282%0.766.5×
15°119393%1.174.3×
30°126699%1.523.2×
38° year-round best1276100%1.672.8×
45°126899%1.782.5×
47° = latitude126399%1.812.5×
60°119994%1.932.0×
70°111788%1.971.9×
72° off-grid best109786%1.971.8×
90°87769%1.881.5×

A fixed array in La Chaux-de-Fonds produces the most over a year at 38°. The design month for an off-grid system is December: at 72° it makes 1.97 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 La Chaux-de-Fonds at 70°

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

012345January: 2.28 (70°)2.3JanFebruary: 3.00 (70°)3.0FebMarch: 3.51 (70°)3.5MarApril: 3.53 (70°)3.5AprMay: 3.22 (70°)3.2MayJune: 3.31 (70°)3.3JunJuly: 3.38 (70°)3.4JulAugust: 3.53 (70°)3.5AugSeptember: 3.67 (70°)3.7SepOctober: 3.09 (70°)3.1OctNovember: 2.22 (70°)2.2NovDecember: 1.97 (70°)2.0Dec38°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 38°Mean temp.
January snow1.222.522.281.98-1.2 °C
February snow2.053.323.002.82-0.6 °C
March3.253.943.513.743.3 °C
April4.464.043.534.277.7 °C
May5.143.753.224.3211.7 °C
June6.023.933.314.7116.0 °C
July5.944.033.384.7217.8 °C
August5.094.193.534.4917.3 °C
September3.904.283.674.0913.3 °C
October2.463.543.093.079.1 °C
November1.362.512.222.033.6 °C
December snow0.972.191.971.67-0.2 °C
Year3.50 avg3.52 avg1117 kWh1276 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 600 Wp of panels at 70°, versus 710 Wp at 38°. The steep array is 15% smaller for the same winter. Size your own system.

Row spacing in La Chaux-de-Fonds

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.

7.1 mrow pitch at 70°

5.8 mrow pitch at 38°

Row spacing calculator

How La Chaux-de-Fonds compares in Switzerland

Against the other 72 places in Switzerland with climate data, for a fixed array at its best angle.

28thof 73 places in Switzerland for sunshine, shared: 3.50 peak sun hours a day on flat ground.

±0%solar energy a year compared with the average place in Switzerland: 1,276 against 1,282 kWh per kWp.

−2 mindaylight on the longest day, compared with Zürich: 15 h 55 min against 15 h 57 min.

38°best year-round tilt here; across Switzerland it runs from 38° in Zürich to 40° in Bellinzona.

Of the 73 places in Switzerland, Martigny-Ville and one other place get the most sun (3.64 peak sun hours a day) and Schaffhausen the least (3.37); La Chaux-de-Fonds ranks joint 28th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.97 kWh a day here, against 2.10 kWh on average in Switzerland. The shortest day lasts 8 h 30 min, +2 min compared with Zürich.

The sunniest places in Switzerland

Solar forecast for La Chaux-de-Fonds, 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 La Chaux-de-Fonds

What is the best solar panel angle in La Chaux-de-Fonds?
For a fixed array facing south, the best year-round tilt in La Chaux-de-Fonds is 38°, worth about 1276 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 La Chaux-de-Fonds today?
On 24 October 2026 the sun rises at 08:03 and sets at 18:29 local time (UTC+2), giving 10 h 26 min of daylight. Solar noon is at 13:16.
How many peak sun hours does La Chaux-de-Fonds get?
On a flat surface 3.5 hours a day averaged over the year, from 1.0 in December to 6.0 in June. Panels tilted at 70° receive 2.2 sun hours a day in December.
How high does the sun get in La Chaux-de-Fonds?
At solar noon the sun stands 66.3° above the horizon on the June solstice and 19.5° on the December solstice.
Is La Chaux-de-Fonds a good place for solar panels?
With 3.5 peak sun hours a day on flat ground, La Chaux-de-Fonds ranks joint 28th of 73 places in Switzerland for sunshine. A 1 kWp array at the best angle (38°) makes about 1,276 kWh a year here, as much as the average place in Switzerland.

Places near La Chaux-de-Fonds

All places in Switzerland

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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.