Fribourg · Switzerland · 46.62° N · 7.06° E
Solar position in Bulle
Sun position, daylight and the best solar panel angle for Bulle — computed for 46.62° N, 7.06° E, 771 m above sea level.
The sun right now
Sun in Bulle today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:20 | sun 18° below horizon |
| Nautical dawn | 06:55 | 12° below |
| Civil dawn | 07:30 | 6° below |
| Sunrise | 08:01 | 106° ESE |
| Golden hour ends | 08:44 | sun 6° up |
| Solar noon | 13:15 | 31.6° high |
| Golden hour starts | 17:46 | sun 6° up |
| Sunset | 18:29 | 253° WSW |
| Civil dusk | 19:00 | 6° below |
| Nautical dusk | 19:35 | 12° below |
| Astronomical dusk | 20:10 | 18° below |
| Day length | 10 h 28 min | |
Sun path diagram for Bulle
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 66.8° at solar noon in Bulle; on the December solstice only 20.0°. Sunrise swings from 54° NE in June to 124° SE in December — a 71° 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 | 12:43 | 17:19 | 9 h 12 min | 23.6° |
| February | 07:25 | 12:45 | 18:05 | 10 h 40 min | 32.9° |
| March | 06:33 | 12:39 | 18:45 | 12 h 12 min | 43.7° |
| April | 06:34 | 13:30 | 20:27 | 13 h 54 min | 55.3° |
| May | 05:51 | 13:28 | 21:06 | 15 h 15 min | 63.6° |
| June | 05:38 | 13:33 | 21:28 | 15 h 51 min | 66.8° |
| July | 05:59 | 13:38 | 21:16 | 15 h 17 min | 63.8° |
| August | 06:37 | 13:34 | 20:31 | 13 h 54 min | 55.4° |
| September | 07:17 | 13:24 | 19:31 | 12 h 15 min | 44.0° |
| October | 07:57 | 13:16 | 18:34 | 10 h 37 min | 32.6° |
| November | 07:42 | 12:17 | 16:52 | 9 h 10 min | 23.4° |
| December | 08:13 | 12:29 | 16:46 | 8 h 34 min | 20.0° |
A year of daylight in Bulle
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 Bulle
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: 1322 kWh per kWp.
75°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° | 1084 | 82% | 0.85 | 5.9× |
| 15° | 1231 | 93% | 1.31 | 3.9× |
| 30° | 1310 | 99% | 1.71 | 2.9× |
| 39° year-round best | 1322 | 100% | 1.90 | 2.5× |
| 45° | 1316 | 100% | 2.01 | 2.3× |
| 47° = latitude | 1311 | 99% | 2.04 | 2.2× |
| 60° | 1249 | 94% | 2.20 | 1.8× |
| 70° | 1167 | 88% | 2.26 | 1.7× |
| 75° off-grid best | 1115 | 84% | 2.27 | 1.6× |
| 90° | 925 | 70% | 2.20 | 1.5× |
A fixed array in Bulle produces the most over a year at 39°. The design month for an off-grid system is December: at 75° it makes 2.27 kWh per kWp a day, 19% more than at 39°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Bulle 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 | 1.35 | 2.91 | 2.66 | 2.28 | -3.5 °C |
| February snow | 2.18 | 3.70 | 3.37 | 3.10 | -3.0 °C |
| March | 3.33 | 3.99 | 3.58 | 3.84 | 0.9 °C |
| April | 4.45 | 4.00 | 3.52 | 4.27 | 5.5 °C |
| May | 5.12 | 3.72 | 3.21 | 4.30 | 9.6 °C |
| June | 6.04 | 3.92 | 3.34 | 4.73 | 14.0 °C |
| July | 6.01 | 4.05 | 3.43 | 4.78 | 15.8 °C |
| August | 5.16 | 4.23 | 3.59 | 4.57 | 15.4 °C |
| September | 4.00 | 4.37 | 3.78 | 4.22 | 11.4 °C |
| October | 2.57 | 3.69 | 3.24 | 3.25 | 7.4 °C |
| November | 1.46 | 2.68 | 2.40 | 2.20 | 1.7 °C |
| December snow | 1.07 | 2.49 | 2.26 | 1.90 | -2.4 °C |
| Year | 3.57 avg | 3.64 avg | 1167 kWh | 1322 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 620 Wp at 39°. The steep array is 16% smaller for the same winter. Size your own system.
Row spacing in Bulle
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.
6.9 mrow pitch at 70°
5.7 mrow pitch at 39°
How Bulle compares in Switzerland
Against the other 72 places in Switzerland with climate data, for a fixed array at its best angle.
20thof 73 places in Switzerland for sunshine: 3.57 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Switzerland: 1,322 against 1,282 kWh per kWp.
−7 mindaylight on the longest day, compared with Zürich: 15 h 51 min against 15 h 57 min.
39°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); Bulle ranks 20th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.26 kWh a day here, against 2.10 kWh on average in Switzerland. The shortest day lasts 8 h 34 min, +6 min compared with Zürich.
Solar forecast for Bulle, 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 Bulle
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Places near Bulle
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A free, live card for Bulle: 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.