Guadeloupe · Guadeloupe · 16.00° N · 61.73° W
Solar position in Basse-Terre
Sun position, daylight and the best solar panel angle for Basse-Terre — computed for 16.00° N, 61.73° W, 11 m above sea level.
The sun right now
Sun in Basse-Terre today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:48 | sun 18° below horizon |
| Nautical dawn | 05:14 | 12° below |
| Civil dawn | 05:39 | 6° below |
| Sunrise | 06:01 | 102° ESE |
| Golden hour ends | 06:30 | sun 6° up |
| Solar noon | 11:50 | 62.1° high |
| Golden hour starts | 17:11 | sun 6° up |
| Sunset | 17:40 | 258° WSW |
| Civil dusk | 18:02 | 6° below |
| Nautical dusk | 18:27 | 12° below |
| Astronomical dusk | 18:53 | 18° below |
| Day length | 11 h 39 min | |
Sun path diagram for Basse-Terre
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 82.6° at solar noon in Basse-Terre; on the December solstice only 50.6°. 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 | 06:38 | 12:18 | 17:58 | 11 h 20 min | 54.2° |
| February | 06:29 | 12:20 | 18:12 | 11 h 43 min | 63.6° |
| March | 06:10 | 12:14 | 18:17 | 12 h 08 min | 74.4° |
| April | 05:48 | 12:05 | 18:23 | 12 h 35 min | 86.0° |
| May | 05:35 | 12:03 | 18:31 | 12 h 56 min | 85.7° |
| June | 05:36 | 12:08 | 18:41 | 13 h 05 min | 82.6° |
| July | 05:45 | 12:13 | 18:41 | 12 h 56 min | 85.6° |
| August | 05:52 | 12:10 | 18:27 | 12 h 35 min | 86.0° |
| September | 05:55 | 11:59 | 18:03 | 12 h 08 min | 74.5° |
| October | 06:00 | 11:51 | 17:42 | 11 h 42 min | 63.2° |
| November | 06:12 | 11:52 | 17:32 | 11 h 20 min | 54.0° |
| December | 06:29 | 12:05 | 17:40 | 11 h 11 min | 50.6° |
A year of daylight in Basse-Terre
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 Basse-Terre
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
16°collects the most energy over a year: 1712 kWh per kWp.
16°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° | 1654 | 97% | 3.66 | 1.4× |
| 15° | 1712 | 100% | 4.37 | 1.2× |
| 16° year-round best off-grid best = latitude | 1712 | 100% | 4.41 | 1.2× |
| 30° | 1670 | 98% | 4.81 | 1.3× |
| 45° | 1533 | 90% | 4.95 | 1.7× |
| 60° | 1310 | 76% | 4.80 | 2.2× |
| 70° | 1125 | 66% | 4.53 | 2.9× |
| 90° | 757 | 44% | 3.62 | 3.5× |
A fixed array in Basse-Terre produces the most over a year at 16°. The design month for an off-grid system is December: at 16° it makes 4.41 kWh per kWp a day, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Basse-Terre at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.97 | 5.63 | 4.60 | 4.65 | 26.1 °C |
| February | 5.65 | 5.18 | 4.23 | 5.01 | 25.8 °C |
| March | 6.28 | 4.31 | 3.52 | 5.23 | 25.9 °C |
| April | 6.43 | 3.06 | 2.47 | 5.01 | 26.6 °C |
| May | 6.25 | 2.27 | 1.81 | 4.64 | 27.3 °C |
| June | 6.09 | 2.02 | 1.59 | 4.44 | 27.8 °C |
| July | 6.18 | 2.10 | 1.66 | 4.52 | 28.0 °C |
| August | 6.26 | 2.67 | 2.13 | 4.75 | 28.3 °C |
| September | 5.91 | 3.57 | 2.87 | 4.73 | 28.4 °C |
| October | 5.30 | 4.33 | 3.51 | 4.52 | 28.2 °C |
| November | 4.85 | 5.09 | 4.14 | 4.41 | 27.6 °C |
| December | 4.66 | 5.56 | 4.53 | 4.41 | 26.8 °C |
| Year | 5.74 avg | 3.81 avg | 1125 kWh | 1712 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 740 Wp of panels at 70°, versus 270 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Basse-Terre
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.
2.4 mrow pitch at 70°
2.4 mrow pitch at 16°
How Basse-Terre compares in Guadeloupe
Against the other 9 places in Guadeloupe with climate data, for a fixed array at its best angle.
1stof 10 places in Guadeloupe for sunshine: 5.74 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Guadeloupe: 1,712 against 1,694 kWh per kWp.
−1 mindaylight on the longest day, compared with Les Abymes: 13 h 05 min against 13 h 06 min.
16°best year-round tilt here, the same everywhere in Guadeloupe.
Basse-Terre gets the most sun of the 10 places in Guadeloupe (5.74 peak sun hours a day); the least sunny are Les Abymes and one other place with 5.64. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.59 kWh a day here, against 1.61 kWh on average in Guadeloupe. The shortest day lasts 11 h 11 min, +1 min compared with Les Abymes.
Solar forecast for Basse-Terre, 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 Basse-Terre
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A free, live card for Basse-Terre: 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.