Pernambuco · Brazil · 8.07° S · 39.12° W
Solar position in Salgueiro
Sun position, daylight and the best solar panel angle for Salgueiro — computed for 8.07° S, 39.12° W, 420 m above sea level.
The sun right now
Sun in Salgueiro today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:59 | sun 18° below horizon |
| Nautical dawn | 04:24 | 12° below |
| Civil dawn | 04:49 | 6° below |
| Sunrise | 05:10 | 102° ESE |
| Golden hour ends | 05:38 | sun 6° up |
| Solar noon | 11:20 | 86.2° high |
| Golden hour starts | 17:02 | sun 6° up |
| Sunset | 17:30 | 258° WSW |
| Civil dusk | 17:52 | 6° below |
| Nautical dusk | 18:17 | 12° below |
| Astronomical dusk | 18:42 | 18° below |
| Day length | 12 h 20 min | |
Sun path diagram for Salgueiro
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 58.5° at solar noon in Salgueiro; on the December solstice only 74.6°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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 | 05:32 | 11:47 | 18:03 | 12 h 31 min | 78.3° |
| February | 05:40 | 11:50 | 17:59 | 12 h 19 min | 87.7° |
| March | 05:40 | 11:43 | 17:46 | 12 h 06 min | 81.5° |
| April | 05:38 | 11:35 | 17:31 | 11 h 53 min | 69.9° |
| May | 05:41 | 11:33 | 17:24 | 11 h 43 min | 61.7° |
| June | 05:48 | 11:38 | 17:27 | 11 h 39 min | 58.5° |
| July | 05:51 | 11:43 | 17:34 | 11 h 43 min | 61.5° |
| August | 05:43 | 11:39 | 17:36 | 11 h 53 min | 70.0° |
| September | 05:26 | 11:29 | 17:32 | 12 h 06 min | 81.4° |
| October | 05:11 | 11:21 | 17:30 | 12 h 19 min | 87.2° |
| November | 05:06 | 11:22 | 17:37 | 12 h 31 min | 78.1° |
| December | 05:16 | 11:34 | 17:52 | 12 h 36 min | 74.6° |
A year of daylight in Salgueiro
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 Salgueiro
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
8°collects the most energy over a year: 1713 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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1701 | 99% | 3.70 | 1.5× |
| 8° year-round best = latitude | 1713 | 100% | 4.00 | 1.3× |
| 15° | 1701 | 99% | 4.20 | 1.3× |
| 18° off-grid best | 1690 | 99% | 4.27 | 1.2× |
| 30° | 1603 | 94% | 4.45 | 1.4× |
| 45° | 1414 | 82% | 4.43 | 1.9× |
| 60° | 1150 | 67% | 4.15 | 2.8× |
| 70° | 951 | 55% | 3.82 | 3.8× |
| 90° | 625 | 36% | 2.86 | 3.2× |
A fixed array in Salgueiro produces the most over a year at 8°. The design month for an off-grid system is June: at 18° it makes 4.27 kWh per kWp a day, 7% more than at 8°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Salgueiro at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 8° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 8° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.12 | 1.54 | 1.20 | 4.63 | 27.5 °C |
| February | 6.00 | 2.16 | 1.72 | 4.66 | 26.5 °C |
| March | 5.98 | 3.09 | 2.50 | 4.77 | 26.4 °C |
| April | 5.56 | 4.00 | 3.27 | 4.58 | 25.9 °C |
| May | 4.95 | 4.43 | 3.63 | 4.18 | 25.6 °C |
| June | 4.65 | 4.64 | 3.82 | 4.00 | 24.5 °C |
| July | 4.91 | 4.73 | 3.90 | 4.21 | 24.1 °C |
| August | 5.80 | 4.70 | 3.86 | 4.87 | 24.9 °C |
| September | 6.57 | 3.82 | 3.10 | 5.31 | 26.6 °C |
| October | 6.83 | 2.49 | 1.99 | 5.30 | 28.4 °C |
| November | 6.75 | 1.54 | 1.19 | 5.07 | 29.2 °C |
| December | 6.39 | 1.34 | 1.03 | 4.76 | 28.6 °C |
| Year | 5.88 avg | 3.21 avg | 951 kWh | 1713 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 1,140 Wp of panels at 70°, versus 300 Wp at 8°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Salgueiro
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.
2.0 mrow pitch at 70°
2.2 mrow pitch at 8°
How Salgueiro compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
130thof 2,264 places in Brazil for sunshine, shared: 5.88 peak sun hours a day on flat ground.
+8%solar energy a year compared with the average place in Brazil: 1,714 against 1,581 kWh per kWp.
−1 h 00 mindaylight on the longest day, compared with São Paulo: 12 h 36 min against 13 h 35 min.
8°best year-round tilt here; across Brazil it runs from 0° in Macapá to 28° in Santa Vitória do Palmar.
Of the 2,264 places in Brazil, Catolé do Rocha gets the most sun (6.16 peak sun hours a day) and Paranaguá the least (4.01); Salgueiro ranks joint 130th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.03 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 39 min, +58 min compared with São Paulo.
Solar forecast for Salgueiro, 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 Salgueiro
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A free, live card for Salgueiro: 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.