Brittany · France · 48.07° N · 2.97° W
Solar position in Pontivy
Sun position, daylight and the best solar panel angle for Pontivy — computed for 48.07° N, 2.97° W, 60 m above sea level.
The sun right now
Sun in Pontivy today
Sunday, 25 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:01 | sun 18° below horizon |
| Nautical dawn | 06:37 | 12° below |
| Civil dawn | 07:14 | 6° below |
| Sunrise | 07:46 | 107° ESE |
| Golden hour ends | 08:30 | sun 6° up |
| Solar noon | 12:55 | 29.8° high |
| Golden hour starts | 17:21 | sun 6° up |
| Sunset | 18:05 | 252° WSW |
| Civil dusk | 18:37 | 6° below |
| Nautical dusk | 19:13 | 12° below |
| Astronomical dusk | 19:49 | 18° below |
| Day length | 10 h 19 min | |
Sun path diagram for Pontivy
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 65.4° at solar noon in Pontivy; on the December solstice only 18.5°. Sunrise swings from 52° NE in June to 125° SE in December — a 73° 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 | 08:52 | 13:23 | 17:54 | 9 h 02 min | 22.1° |
| February | 08:08 | 13:25 | 18:43 | 10 h 36 min | 31.5° |
| March | 07:12 | 13:19 | 19:25 | 12 h 13 min | 42.3° |
| April | 07:11 | 14:10 | 21:10 | 14 h 00 min | 53.9° |
| May | 06:25 | 14:08 | 21:51 | 15 h 26 min | 62.2° |
| June | 06:11 | 14:13 | 22:15 | 16 h 03 min | 65.4° |
| July | 06:34 | 14:18 | 22:01 | 15 h 27 min | 62.3° |
| August | 07:14 | 14:14 | 21:14 | 14 h 00 min | 53.9° |
| September | 07:57 | 14:04 | 20:11 | 12 h 15 min | 42.5° |
| October | 08:40 | 13:56 | 19:12 | 10 h 32 min | 31.2° |
| November | 08:27 | 12:57 | 17:27 | 9 h 01 min | 22.0° |
| December | 08:59 | 13:09 | 17:20 | 8 h 22 min | 18.5° |
A year of daylight in Pontivy
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 Pontivy
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: 1230 kWh per kWp.
69°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° | 1021 | 83% | 0.67 | 7.3× |
| 15° | 1154 | 94% | 1.02 | 4.9× |
| 30° | 1222 | 99% | 1.31 | 3.7× |
| 37° year-round best | 1230 | 100% | 1.42 | 3.3× |
| 45° | 1220 | 99% | 1.52 | 3.0× |
| 48° = latitude | 1211 | 99% | 1.55 | 2.9× |
| 60° | 1149 | 93% | 1.63 | 2.5× |
| 69° off-grid best | 1076 | 88% | 1.65 | 2.3× |
| 70° | 1067 | 87% | 1.65 | 2.3× |
| 90° | 830 | 67% | 1.55 | 1.9× |
A fixed array in Pontivy produces the most over a year at 37°. The design month for an off-grid system is December: at 69° it makes 1.65 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 Pontivy at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 37° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 37° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.04 | 2.01 | 1.75 | 1.55 | 7.2 °C |
| February | 1.88 | 2.96 | 2.60 | 2.48 | 6.9 °C |
| March | 3.06 | 3.70 | 3.23 | 3.42 | 8.3 °C |
| April | 4.63 | 4.31 | 3.73 | 4.47 | 10.4 °C |
| May | 5.52 | 4.11 | 3.51 | 4.71 | 13.1 °C |
| June | 5.92 | 3.96 | 3.34 | 4.72 | 16.1 °C |
| July | 5.77 | 4.03 | 3.37 | 4.68 | 18.0 °C |
| August | 4.91 | 4.13 | 3.46 | 4.36 | 18.1 °C |
| September | 3.88 | 4.33 | 3.67 | 4.05 | 16.4 °C |
| October | 2.24 | 3.17 | 2.71 | 2.69 | 13.8 °C |
| November | 1.28 | 2.37 | 2.05 | 1.85 | 10.5 °C |
| December | 0.89 | 1.90 | 1.65 | 1.42 | 7.9 °C |
| Year | 3.43 avg | 3.42 avg | 1067 kWh | 1230 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 710 Wp of panels at 70°, versus 830 Wp at 37°. The steep array is 14% smaller for the same winter. Size your own system.
Row spacing in Pontivy
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.
7.5 mrow pitch at 70°
6.0 mrow pitch at 37°
How Pontivy compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
261stof 657 places in France for sunshine, shared: 3.43 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in France: 1,230 against 1,261 kWh per kWp.
−7 mindaylight on the longest day, compared with Paris: 16 h 03 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); Pontivy ranks joint 261st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.65 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 8 h 22 min, +7 min compared with Paris.
Solar forecast for Pontivy, 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 Pontivy
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A free, live card for Pontivy: 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.