Mayabeque · Cuba · 22.84° N · 82.03° W
Solar position in Güines
Sun position, daylight and the best solar panel angle for Güines — computed for 22.84° N, 82.03° W, 60 m above sea level.
The sun right now
Sun in Güines today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:13 | sun 18° below horizon |
| Nautical dawn | 06:39 | 12° below |
| Civil dawn | 07:05 | 6° below |
| Sunrise | 07:28 | 103° ESE |
| Golden hour ends | 07:59 | sun 6° up |
| Solar noon | 13:12 | 55.2° high |
| Golden hour starts | 18:24 | sun 6° up |
| Sunset | 18:55 | 257° WSW |
| Civil dusk | 19:18 | 6° below |
| Nautical dusk | 19:44 | 12° below |
| Astronomical dusk | 20:10 | 18° below |
| Day length | 11 h 27 min | |
Sun path diagram for Güines
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 89.4° at solar noon in Güines; on the December solstice only 43.7°. Sunrise swings from 64° ENE in June to 115° ESE in December — a 51° 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 | 07:10 | 12:39 | 18:08 | 10 h 58 min | 47.4° |
| February | 06:55 | 12:41 | 18:27 | 11 h 32 min | 56.8° |
| March | 07:31 | 13:35 | 19:39 | 12 h 09 min | 67.6° |
| April | 07:02 | 13:26 | 19:51 | 12 h 49 min | 79.2° |
| May | 06:45 | 13:24 | 20:04 | 13 h 19 min | 87.5° |
| June | 06:43 | 13:29 | 20:16 | 13 h 32 min | 89.4° |
| July | 06:54 | 13:34 | 20:14 | 13 h 20 min | 87.5° |
| August | 07:06 | 13:31 | 19:55 | 12 h 48 min | 79.1° |
| September | 07:16 | 13:21 | 19:25 | 12 h 09 min | 67.7° |
| October | 07:27 | 13:12 | 18:57 | 11 h 30 min | 56.3° |
| November | 06:45 | 12:13 | 17:42 | 10 h 57 min | 47.2° |
| December | 07:04 | 12:26 | 17:48 | 10 h 44 min | 43.7° |
A year of daylight in Güines
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 Güines
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
21°collects the most energy over a year: 1627 kWh per kWp.
27°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° | 1533 | 94% | 2.96 | 1.7× |
| 15° | 1619 | 99% | 3.66 | 1.4× |
| 21° year-round best | 1627 | 100% | 3.88 | 1.3× |
| 23° = latitude | 1627 | 100% | 3.95 | 1.3× |
| 27° off-grid best | 1621 | 100% | 4.06 | 1.3× |
| 30° | 1611 | 99% | 4.14 | 1.3× |
| 45° | 1511 | 93% | 4.35 | 1.5× |
| 60° | 1325 | 81% | 4.31 | 1.8× |
| 70° | 1162 | 71% | 4.13 | 2.2× |
| 90° | 794 | 49% | 3.44 | 3.3× |
A fixed array in Güines produces the most over a year at 21°. The design month for an off-grid system is December: at 27° it makes 4.06 kWh per kWp a day, 5% more than at 21°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Güines at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 21° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 21° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.98 | 5.00 | 4.13 | 4.03 | 23.3 °C |
| February | 4.85 | 5.03 | 4.14 | 4.58 | 24.0 °C |
| March | 5.87 | 4.66 | 3.83 | 5.10 | 24.7 °C |
| April | 6.52 | 3.64 | 2.96 | 5.16 | 26.4 °C |
| May | 6.30 | 2.69 | 2.15 | 4.66 | 27.6 °C |
| June | 5.92 | 2.37 | 1.88 | 4.27 | 28.7 °C |
| July | 6.31 | 2.56 | 2.03 | 4.58 | 29.3 °C |
| August | 6.07 | 3.10 | 2.48 | 4.62 | 29.5 °C |
| September | 5.39 | 3.77 | 3.03 | 4.42 | 29.0 °C |
| October | 4.70 | 4.35 | 3.53 | 4.19 | 27.8 °C |
| November | 4.12 | 4.87 | 3.98 | 4.03 | 25.6 °C |
| December | 3.77 | 5.02 | 4.13 | 3.88 | 24.4 °C |
| Year | 5.32 avg | 3.92 avg | 1162 kWh | 1627 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 630 Wp of panels at 70°, versus 300 Wp at 21°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Güines
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.
2.9 mrow pitch at 70°
2.7 mrow pitch at 21°
How Güines compares in Cuba
Against the other 122 places in Cuba with climate data, for a fixed array at its best angle.
73rdof 123 places in Cuba for sunshine, shared: 5.32 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in Cuba: 1,627 against 1,639 kWh per kWp.
−1 mindaylight on the longest day, compared with Havana: 13 h 32 min against 13 h 34 min.
21°best year-round tilt here; across Cuba it runs from 19° in Puerto Padre to 22° in Consolación del Sur.
Of the 123 places in Cuba, Niquero gets the most sun (5.68 peak sun hours a day) and Remedios and one other place the least (5.17); Güines ranks joint 73rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.88 kWh a day here, against 1.85 kWh on average in Cuba. The shortest day lasts 10 h 44 min, +1 min compared with Havana.
Solar forecast for Güines, 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 Güines
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Places near Güines
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A free, live card for Güines: 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.