Hauts-de-France · France · 51.03° N · 2.34° E
Solar position in Saint-Pol-sur-Mer
Sun position, daylight and the best solar panel angle for Saint-Pol-sur-Mer — computed for 51.03° N, 2.34° E, 4 m above sea level.
The sun right now
Sun in Saint-Pol-sur-Mer today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:38 | sun 18° below horizon |
| Nautical dawn | 07:16 | 12° below |
| Civil dawn | 07:55 | 6° below |
| Sunrise | 08:29 | 108° ESE |
| Golden hour ends | 09:16 | sun 6° up |
| Solar noon | 13:34 | 27.2° high |
| Golden hour starts | 17:52 | sun 6° up |
| Sunset | 18:39 | 252° WSW |
| Civil dusk | 19:13 | 6° below |
| Nautical dusk | 19:52 | 12° below |
| Astronomical dusk | 20:30 | 18° below |
| Day length | 10 h 11 min | |
Sun path diagram for Saint-Pol-sur-Mer
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 62.4° at solar noon in Saint-Pol-sur-Mer; on the December solstice only 15.6°. Sunrise swings from 49° NE in June to 128° SE in December — a 78° 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 | 08:41 | 13:02 | 17:22 | 8 h 41 min | 19.2° |
| February | 07:51 | 13:04 | 18:17 | 10 h 25 min | 28.5° |
| March | 06:51 | 12:58 | 19:05 | 12 h 14 min | 39.3° |
| April | 06:43 | 13:49 | 20:56 | 14 h 13 min | 50.9° |
| May | 05:52 | 13:47 | 21:42 | 15 h 50 min | 59.2° |
| June | 05:35 | 13:52 | 22:09 | 16 h 33 min | 62.4° |
| July | 06:00 | 13:56 | 21:52 | 15 h 52 min | 59.4° |
| August | 06:46 | 13:53 | 20:59 | 14 h 13 min | 51.0° |
| September | 07:35 | 13:43 | 19:51 | 12 h 16 min | 39.6° |
| October | 08:23 | 13:34 | 18:45 | 10 h 22 min | 28.2° |
| November | 08:16 | 12:36 | 16:55 | 8 h 39 min | 19.0° |
| December | 08:51 | 12:48 | 16:45 | 7 h 54 min | 15.6° |
A year of daylight in Saint-Pol-sur-Mer
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 Saint-Pol-sur-Mer
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: 1133 kWh per kWp.
72°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° | 928 | 82% | 0.46 | 10.1× |
| 15° | 1055 | 93% | 0.74 | 6.5× |
| 30° | 1123 | 99% | 0.99 | 4.8× |
| 39° year-round best | 1133 | 100% | 1.10 | 4.2× |
| 45° | 1128 | 99% | 1.17 | 3.8× |
| 51° = latitude | 1112 | 98% | 1.22 | 3.5× |
| 60° | 1070 | 94% | 1.27 | 3.2× |
| 70° | 998 | 88% | 1.30 | 2.9× |
| 72° off-grid best | 981 | 87% | 1.30 | 2.8× |
| 90° | 788 | 70% | 1.24 | 2.3× |
A fixed array in Saint-Pol-sur-Mer produces the most over a year at 39°. The design month for an off-grid system is December: at 72° it makes 1.30 kWh per kWp a day, 18% more than at 39°, and costs 13% of the yearly total. Why steep panels win winter.
Off-grid solar in Saint-Pol-sur-Mer 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 | 0.81 | 1.75 | 1.53 | 1.33 | 5.2 °C |
| February | 1.51 | 2.49 | 2.19 | 2.08 | 5.0 °C |
| March | 2.78 | 3.52 | 3.10 | 3.23 | 6.5 °C |
| April | 4.45 | 4.33 | 3.77 | 4.40 | 9.2 °C |
| May | 5.24 | 4.09 | 3.51 | 4.53 | 12.2 °C |
| June | 5.66 | 4.01 | 3.39 | 4.59 | 15.1 °C |
| July | 5.43 | 4.00 | 3.36 | 4.46 | 17.3 °C |
| August | 4.54 | 3.98 | 3.34 | 4.08 | 17.7 °C |
| September | 3.39 | 3.87 | 3.28 | 3.58 | 15.8 °C |
| October | 1.93 | 2.85 | 2.44 | 2.40 | 12.8 °C |
| November | 0.96 | 1.85 | 1.60 | 1.44 | 9.2 °C |
| December | 0.63 | 1.50 | 1.30 | 1.10 | 6.2 °C |
| Year | 3.12 avg | 3.19 avg | 998 kWh | 1133 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 910 Wp of panels at 70°, versus 1,070 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Saint-Pol-sur-Mer
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.
9.3 mrow pitch at 70°
7.3 mrow pitch at 39°
How Saint-Pol-sur-Mer compares in France
Against the other 656 places in France with climate data, for a fixed array at its best angle.
618thof 657 places in France for sunshine, shared: 3.12 peak sun hours a day on flat ground.
−10%solar energy a year compared with the average place in France: 1,133 against 1,261 kWh per kWp.
+22 mindaylight on the longest day, compared with Paris: 16 h 33 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); Saint-Pol-sur-Mer ranks joint 618th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.30 kWh a day here, against 1.86 kWh on average in France. The shortest day lasts 7 h 54 min, −20 min compared with Paris.
Solar forecast for Saint-Pol-sur-Mer, 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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A free, live card for Saint-Pol-sur-Mer: 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.