Santa Catarina · Brazil · 27.41° S · 49.60° W
Solar position in Ituporanga
Sun position, daylight and the best solar panel angle for Ituporanga — computed for 27.41° S, 49.60° W, 378 m above sea level.
The sun right now
Sun in Ituporanga today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:12 | sun 18° below horizon |
| Nautical dawn | 04:41 | 12° below |
| Civil dawn | 05:09 | 6° below |
| Sunrise | 05:33 | 104° ESE |
| Golden hour ends | 06:05 | sun 6° up |
| Solar noon | 12:02 | 74.5° high |
| Golden hour starts | 18:00 | sun 6° up |
| Sunset | 18:31 | 256° WSW |
| Civil dusk | 18:55 | 6° below |
| Nautical dusk | 19:24 | 12° below |
| Astronomical dusk | 19:53 | 18° below |
| Day length | 12 h 58 min | |
Sun path diagram for Ituporanga
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 39.2° at solar noon in Ituporanga; on the December solstice only 86.0°. Sunrise swings from 64° ENE in June to 117° ESE in December — a 53° 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 | 05:42 | 12:29 | 19:16 | 13 h 34 min | 82.4° |
| February | 06:06 | 12:31 | 18:57 | 12 h 51 min | 73.0° |
| March | 06:22 | 12:25 | 18:28 | 12 h 06 min | 62.2° |
| April | 06:38 | 12:16 | 17:55 | 11 h 17 min | 50.6° |
| May | 06:55 | 12:14 | 17:34 | 10 h 40 min | 42.3° |
| June | 07:08 | 12:20 | 17:32 | 10 h 24 min | 39.2° |
| July | 07:05 | 12:24 | 17:44 | 10 h 39 min | 42.2° |
| August | 06:43 | 12:21 | 18:00 | 11 h 17 min | 50.6° |
| September | 06:09 | 12:11 | 18:14 | 12 h 05 min | 62.1° |
| October | 05:36 | 12:03 | 18:29 | 12 h 53 min | 73.4° |
| November | 05:16 | 12:04 | 18:52 | 13 h 35 min | 82.6° |
| December | 05:20 | 12:16 | 19:12 | 13 h 53 min | 86.0° |
A year of daylight in Ituporanga
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 Ituporanga
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
25°collects the most energy over a year: 1363 kWh per kWp.
50°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° | 1260 | 92% | 2.08 | 2.2× |
| 15° | 1347 | 99% | 2.61 | 1.7× |
| 25° year-round best | 1363 | 100% | 2.87 | 1.5× |
| 27° = latitude | 1362 | 100% | 2.91 | 1.5× |
| 30° | 1358 | 100% | 2.97 | 1.4× |
| 45° | 1294 | 95% | 3.16 | 1.2× |
| 50° off-grid best | 1256 | 92% | 3.18 | 1.2× |
| 60° | 1158 | 85% | 3.15 | 1.3× |
| 70° | 1034 | 76% | 3.05 | 1.6× |
| 90° | 734 | 54% | 2.59 | 2.4× |
A fixed array in Ituporanga produces the most over a year at 25°. The design month for an off-grid system is June: at 50° it makes 3.18 kWh per kWp a day, 11% more than at 25°, and costs 8% of the yearly total. Why steep panels win winter.
Off-grid solar in Ituporanga at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 25° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 25° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.69 | 2.78 | 2.28 | 4.29 | 21.0 °C |
| February | 5.39 | 3.25 | 2.69 | 4.32 | 21.0 °C |
| March | 4.77 | 3.71 | 3.09 | 4.16 | 19.9 °C |
| April | 3.83 | 3.90 | 3.29 | 3.71 | 17.7 °C |
| May | 2.99 | 3.73 | 3.19 | 3.18 | 14.2 °C |
| June | 2.57 | 3.54 | 3.05 | 2.87 | 12.8 °C |
| July | 2.82 | 3.81 | 3.29 | 3.14 | 12.3 °C |
| August | 3.47 | 3.94 | 3.38 | 3.58 | 13.6 °C |
| September | 3.81 | 3.29 | 2.79 | 3.50 | 15.2 °C |
| October | 4.40 | 2.95 | 2.47 | 3.66 | 17.3 °C |
| November | 5.43 | 2.80 | 2.33 | 4.21 | 18.4 °C |
| December | 5.67 | 2.61 | 2.14 | 4.22 | 20.1 °C |
| Year | 4.23 avg | 3.36 avg | 1034 kWh | 1363 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 550 Wp of panels at 70°, versus 410 Wp at 25°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Ituporanga
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.
3.3 mrow pitch at 70°
3.0 mrow pitch at 25°
How Ituporanga compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
2226thof 2,264 places in Brazil for sunshine, shared: 4.23 peak sun hours a day on flat ground.
−14%solar energy a year compared with the average place in Brazil: 1,363 against 1,581 kWh per kWp.
+17 mindaylight on the longest day, compared with São Paulo: 13 h 53 min against 13 h 35 min.
25°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); Ituporanga ranks joint 2226th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.14 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 24 min, −17 min compared with São Paulo.
Solar forecast for Ituporanga, 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 Ituporanga
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Places near Ituporanga
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A free, live card for Ituporanga: 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.