Amazonas · Brazil · 3.13° S · 58.16° W
Solar position in Urucurituba
Sun position, daylight and the best solar panel angle for Urucurituba — computed for 3.13° S, 58.16° W, 21 m above sea level.
The sun right now
Sun in Urucurituba today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:20 | sun 18° below horizon |
| Nautical dawn | 04:45 | 12° below |
| Civil dawn | 05:09 | 6° below |
| Sunrise | 05:30 | 102° ESE |
| Golden hour ends | 05:58 | sun 6° up |
| Solar noon | 11:36 | 81.2° high |
| Golden hour starts | 17:14 | sun 6° up |
| Sunset | 17:42 | 258° WSW |
| Civil dusk | 18:04 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:53 | 18° below |
| Day length | 12 h 12 min | |
Sun path diagram for Urucurituba
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 63.4° at solar noon in Urucurituba; on the December solstice only 69.7°. Sunrise swings from 67° 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 | 05:55 | 12:04 | 18:12 | 12 h 16 min | 73.3° |
| February | 06:00 | 12:06 | 18:11 | 12 h 11 min | 82.7° |
| March | 05:56 | 11:59 | 18:02 | 12 h 06 min | 86.5° |
| April | 05:50 | 11:51 | 17:51 | 12 h 01 min | 74.9° |
| May | 05:50 | 11:49 | 17:48 | 11 h 58 min | 66.6° |
| June | 05:56 | 11:54 | 17:52 | 11 h 57 min | 63.4° |
| July | 06:00 | 11:59 | 17:58 | 11 h 58 min | 66.5° |
| August | 05:55 | 11:55 | 17:56 | 12 h 01 min | 74.9° |
| September | 05:42 | 11:45 | 17:48 | 12 h 06 min | 86.3° |
| October | 05:31 | 11:37 | 17:43 | 12 h 12 min | 82.3° |
| November | 05:30 | 11:38 | 17:46 | 12 h 16 min | 73.1° |
| December | 05:41 | 11:50 | 17:59 | 12 h 18 min | 69.7° |
A year of daylight in Urucurituba
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 Urucurituba
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
6°collects the most energy over a year: 1375 kWh per kWp.
2°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° | 1369 | 100% | 3.45 | 1.3× |
| 2° off-grid best | 1372 | 100% | 3.42 | 1.3× |
| 3° = latitude | 1373 | 100% | 3.40 | 1.3× |
| 6° year-round best | 1375 | 100% | 3.33 | 1.3× |
| 15° | 1361 | 99% | 3.11 | 1.5× |
| 30° | 1282 | 93% | 2.60 | 1.7× |
| 45° | 1135 | 83% | 1.98 | 2.2× |
| 60° | 934 | 68% | 1.35 | 3.0× |
| 70° | 790 | 57% | 1.12 | 3.2× |
| 90° | 541 | 39% | 0.99 | 2.5× |
A fixed array in Urucurituba produces the most over a year at 6°. The design month for an off-grid system is December: at 2° it makes 3.42 kWh per kWp a day, 2% more than at 6°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Urucurituba at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 6° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 6° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.44 | 1.45 | 1.13 | 3.41 | 26.4 °C |
| February | 4.31 | 1.71 | 1.35 | 3.36 | 26.0 °C |
| March | 4.38 | 2.26 | 1.81 | 3.47 | 26.0 °C |
| April | 4.31 | 2.84 | 2.29 | 3.46 | 26.0 °C |
| May | 4.24 | 3.32 | 2.70 | 3.46 | 26.0 °C |
| June | 4.73 | 4.18 | 3.41 | 3.92 | 25.9 °C |
| July | 5.11 | 4.39 | 3.58 | 4.23 | 26.1 °C |
| August | 5.48 | 3.94 | 3.20 | 4.46 | 27.4 °C |
| September | 5.55 | 3.02 | 2.42 | 4.39 | 29.1 °C |
| October | 5.21 | 2.12 | 1.67 | 4.04 | 29.5 °C |
| November | 4.78 | 1.58 | 1.23 | 3.65 | 28.8 °C |
| December | 4.38 | 1.44 | 1.12 | 3.33 | 27.4 °C |
| Year | 4.75 avg | 2.69 avg | 790 kWh | 1375 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 1,050 Wp of panels at 70°, versus 350 Wp at 6°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Urucurituba
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.
1.8 mrow pitch at 70°
2.1 mrow pitch at 6°
How Urucurituba compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1867thof 2,264 places in Brazil for sunshine, shared: 4.75 peak sun hours a day on flat ground.
−13%solar energy a year compared with the average place in Brazil: 1,375 against 1,581 kWh per kWp.
−1 h 17 mindaylight on the longest day, compared with São Paulo: 12 h 18 min against 13 h 35 min.
6°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); Urucurituba ranks joint 1867th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.12 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 57 min, +1 h 15 min compared with São Paulo.
Solar forecast for Urucurituba, 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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A free, live card for Urucurituba: 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.