Saint Anthony · Montserrat · 16.71° N · 62.21° W
Solar position in Plymouth
Sun position, daylight and the best solar panel angle for Plymouth — computed for 16.71° N, 62.21° W, 77 m above sea level.
The sun right now
Sun in Plymouth today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:51 | sun 18° below horizon |
| Nautical dawn | 05:16 | 12° below |
| Civil dawn | 05:41 | 6° below |
| Sunrise | 06:03 | 102° ESE |
| Golden hour ends | 06:33 | sun 6° up |
| Solar noon | 11:52 | 61.4° high |
| Golden hour starts | 17:12 | sun 6° up |
| Sunset | 17:41 | 258° WSW |
| Civil dusk | 18:03 | 6° below |
| Nautical dusk | 18:29 | 12° below |
| Astronomical dusk | 18:54 | 18° below |
| Day length | 11 h 38 min | |
Sun path diagram for Plymouth
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 83.3° at solar noon in Plymouth; on the December solstice only 49.9°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° 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 | 06:41 | 12:20 | 17:59 | 11 h 18 min | 53.5° |
| February | 06:31 | 12:22 | 18:13 | 11 h 42 min | 62.9° |
| March | 06:12 | 12:16 | 18:19 | 12 h 08 min | 73.7° |
| April | 05:49 | 12:07 | 18:25 | 12 h 36 min | 85.3° |
| May | 05:36 | 12:05 | 18:34 | 12 h 58 min | 86.4° |
| June | 05:36 | 12:10 | 18:44 | 13 h 08 min | 83.3° |
| July | 05:45 | 12:15 | 18:44 | 12 h 59 min | 86.3° |
| August | 05:53 | 12:11 | 18:29 | 12 h 36 min | 85.2° |
| September | 05:57 | 12:01 | 18:05 | 12 h 08 min | 73.8° |
| October | 06:03 | 11:53 | 17:43 | 11 h 41 min | 62.4° |
| November | 06:16 | 11:54 | 17:33 | 11 h 17 min | 53.3° |
| December | 06:32 | 12:07 | 17:41 | 11 h 08 min | 49.9° |
A year of daylight in Plymouth
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 Plymouth
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
17°collects the most energy over a year: 1746 kWh per kWp.
18°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° | 1682 | 96% | 3.66 | 1.4× |
| 15° | 1745 | 100% | 4.40 | 1.2× |
| 17° year-round best = latitude | 1746 | 100% | 4.47 | 1.2× |
| 18° off-grid best | 1745 | 100% | 4.51 | 1.2× |
| 30° | 1706 | 98% | 4.86 | 1.3× |
| 45° | 1569 | 90% | 5.02 | 1.6× |
| 60° | 1344 | 77% | 4.88 | 2.2× |
| 70° | 1156 | 66% | 4.62 | 2.9× |
| 90° | 776 | 44% | 3.71 | 3.6× |
A fixed array in Plymouth produces the most over a year at 17°. The design month for an off-grid system is December: at 18° it makes 4.51 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Plymouth at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 17° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 17° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.98 | 5.74 | 4.69 | 4.72 | 26.1 °C |
| February | 5.69 | 5.31 | 4.34 | 5.10 | 25.8 °C |
| March | 6.38 | 4.45 | 3.64 | 5.34 | 25.9 °C |
| April | 6.62 | 3.16 | 2.55 | 5.15 | 26.5 °C |
| May | 6.38 | 2.34 | 1.86 | 4.72 | 27.3 °C |
| June | 6.29 | 2.08 | 1.64 | 4.55 | 27.9 °C |
| July | 6.33 | 2.17 | 1.72 | 4.61 | 28.1 °C |
| August | 6.39 | 2.75 | 2.20 | 4.84 | 28.4 °C |
| September | 5.99 | 3.67 | 2.95 | 4.81 | 28.5 °C |
| October | 5.39 | 4.48 | 3.62 | 4.62 | 28.3 °C |
| November | 4.88 | 5.22 | 4.24 | 4.49 | 27.6 °C |
| December | 4.67 | 5.67 | 4.62 | 4.47 | 26.8 °C |
| Year | 5.83 avg | 3.91 avg | 1156 kWh | 1746 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 720 Wp of panels at 70°, versus 260 Wp at 17°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Plymouth
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.
2.5 mrow pitch at 70°
2.5 mrow pitch at 17°
Solar forecast for Plymouth, 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 Plymouth
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Places near Plymouth
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A free, live card for Plymouth: 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.