Rio Grande do Sul · Brazil · 29.62° S · 54.18° W
Solar position in São Pedro do Sul
Sun position, daylight and the best solar panel angle for São Pedro do Sul — computed for 29.62° S, 54.18° W, 185 m above sea level.
The sun right now
Sun in São Pedro do Sul today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:25 | sun 18° below horizon |
| Nautical dawn | 04:55 | 12° below |
| Civil dawn | 05:25 | 6° below |
| Sunrise | 05:49 | 104° ESE |
| Golden hour ends | 06:21 | sun 6° up |
| Solar noon | 12:20 | 72.3° high |
| Golden hour starts | 18:20 | sun 6° up |
| Sunset | 18:52 | 256° WSW |
| Civil dusk | 19:17 | 6° below |
| Nautical dusk | 19:46 | 12° below |
| Astronomical dusk | 20:16 | 18° below |
| Day length | 13 h 03 min | |
Sun path diagram for São Pedro do Sul
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 37.0° at solar noon in São Pedro do Sul; on the December solstice only 83.8°. Sunrise swings from 63° ENE in June to 118° ESE in December — a 54° 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 | 05:56 | 12:48 | 19:39 | 13 h 43 min | 80.2° |
| February | 06:22 | 12:50 | 19:17 | 12 h 56 min | 70.8° |
| March | 06:40 | 12:43 | 18:46 | 12 h 06 min | 60.0° |
| April | 06:59 | 12:35 | 18:11 | 11 h 12 min | 48.4° |
| May | 07:17 | 12:33 | 17:48 | 10 h 31 min | 40.1° |
| June | 07:31 | 12:38 | 17:45 | 10 h 15 min | 37.0° |
| July | 07:27 | 12:43 | 17:58 | 10 h 31 min | 40.0° |
| August | 07:03 | 12:40 | 18:16 | 11 h 12 min | 48.4° |
| September | 06:27 | 12:29 | 18:32 | 12 h 05 min | 59.9° |
| October | 05:52 | 12:21 | 18:50 | 12 h 58 min | 71.2° |
| November | 05:30 | 12:22 | 19:14 | 13 h 44 min | 80.4° |
| December | 05:33 | 12:34 | 19:36 | 14 h 03 min | 83.8° |
A year of daylight in São Pedro do Sul
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 São Pedro do Sul
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
26°collects the most energy over a year: 1526 kWh per kWp.
55°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° | 1395 | 91% | 2.02 | 2.8× |
| 15° | 1503 | 99% | 2.59 | 2.1× |
| 26° year-round best | 1526 | 100% | 2.91 | 1.7× |
| 30° = latitude | 1522 | 100% | 3.01 | 1.6× |
| 45° | 1452 | 95% | 3.24 | 1.4× |
| 55° off-grid best | 1359 | 89% | 3.28 | 1.3× |
| 60° | 1300 | 85% | 3.27 | 1.3× |
| 70° | 1158 | 76% | 3.18 | 1.6× |
| 90° | 810 | 53% | 2.74 | 2.6× |
A fixed array in São Pedro do Sul produces the most over a year at 26°. The design month for an off-grid system is June: at 55° it makes 3.28 kWh per kWp a day, 13% more than at 26°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in São Pedro do Sul at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 26° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 26° | Mean temp. |
|---|---|---|---|---|---|
| January | 6.67 | 3.14 | 2.56 | 4.95 | 24.3 °C |
| February | 6.18 | 3.77 | 3.09 | 4.95 | 24.1 °C |
| March | 5.24 | 4.29 | 3.55 | 4.65 | 22.4 °C |
| April | 4.08 | 4.53 | 3.80 | 4.11 | 19.3 °C |
| May | 2.98 | 4.00 | 3.41 | 3.30 | 15.3 °C |
| June | 2.51 | 3.70 | 3.18 | 2.91 | 13.3 °C |
| July | 2.77 | 4.02 | 3.46 | 3.22 | 12.4 °C |
| August | 3.52 | 4.27 | 3.66 | 3.76 | 14.1 °C |
| September | 4.21 | 3.85 | 3.27 | 3.97 | 15.9 °C |
| October | 5.21 | 3.57 | 2.98 | 4.40 | 18.7 °C |
| November | 6.49 | 3.25 | 2.68 | 4.98 | 20.7 °C |
| December | 6.90 | 2.96 | 2.41 | 5.02 | 23.0 °C |
| Year | 4.72 avg | 3.78 avg | 1158 kWh | 1526 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 490 Wp of panels at 70°, versus 400 Wp at 26°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in São Pedro do Sul
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.
3.5 mrow pitch at 70°
3.1 mrow pitch at 26°
How São Pedro do Sul compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1905thof 2,264 places in Brazil for sunshine, shared: 4.72 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Brazil: 1,526 against 1,581 kWh per kWp.
+28 mindaylight on the longest day, compared with São Paulo: 14 h 03 min against 13 h 35 min.
26°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); São Pedro do Sul ranks joint 1905th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.41 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 15 min, −26 min compared with São Paulo.
Solar forecast for São Pedro do Sul, 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 São Pedro do Sul
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Places near São Pedro do Sul
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A free, live card for São Pedro do Sul: 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.