Mato Grosso · Brazil · 14.72° S · 56.33° W
Solar position in Nobres
Sun position, daylight and the best solar panel angle for Nobres — computed for 14.72° S, 56.33° W, 200 m above sea level.
The sun right now
Sun in Nobres today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 03:59 | sun 18° below horizon |
| Nautical dawn | 04:25 | 12° below |
| Civil dawn | 04:51 | 6° below |
| Sunrise | 05:13 | 102° ESE |
| Golden hour ends | 05:42 | sun 6° up |
| Solar noon | 11:29 | 87.2° high |
| Golden hour starts | 17:16 | sun 6° up |
| Sunset | 17:45 | 257° WSW |
| Civil dusk | 18:07 | 6° below |
| Nautical dusk | 18:33 | 12° below |
| Astronomical dusk | 18:59 | 18° below |
| Day length | 12 h 32 min | |
Sun path diagram for Nobres
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 51.9° at solar noon in Nobres; on the December solstice only 81.3°. Sunrise swings from 66° ENE in June to 115° ESE in December — a 49° 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 | 05:31 | 11:56 | 18:22 | 12 h 51 min | 84.9° |
| February | 05:44 | 11:58 | 18:13 | 12 h 29 min | 85.7° |
| March | 05:49 | 11:52 | 17:55 | 12 h 06 min | 74.9° |
| April | 05:53 | 11:43 | 17:34 | 11 h 41 min | 63.3° |
| May | 06:00 | 11:41 | 17:23 | 11 h 23 min | 55.0° |
| June | 06:09 | 11:47 | 17:24 | 11 h 15 min | 51.9° |
| July | 06:10 | 11:51 | 17:33 | 11 h 23 min | 54.9° |
| August | 05:57 | 11:48 | 17:39 | 11 h 41 min | 63.3° |
| September | 05:35 | 11:38 | 17:41 | 12 h 06 min | 74.8° |
| October | 05:15 | 11:29 | 17:45 | 12 h 30 min | 86.1° |
| November | 05:05 | 11:31 | 17:56 | 12 h 51 min | 84.7° |
| December | 05:13 | 11:43 | 18:13 | 13 h 00 min | 81.3° |
A year of daylight in Nobres
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 Nobres
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
18°collects the most energy over a year: 1591 kWh per kWp.
9°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 | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1523 | 96% | 4.27 | 1.2× |
| 9° off-grid best | 1573 | 99% | 4.14 | 1.1× |
| 15° = latitude | 1589 | 100% | 4.01 | 1.2× |
| 18° year-round best | 1591 | 100% | 3.93 | 1.3× |
| 30° | 1564 | 98% | 3.54 | 1.5× |
| 45° | 1451 | 91% | 2.89 | 1.9× |
| 60° | 1258 | 79% | 2.12 | 2.6× |
| 70° | 1094 | 69% | 1.60 | 3.2× |
| 90° | 758 | 48% | 1.12 | 3.5× |
A fixed array in Nobres produces the most over a year at 18°. The design month for an off-grid system is January: at 9° it makes 4.14 kWh per kWp a day, 5% more than at 18°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Nobres at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 18° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.36 | 2.01 | 1.60 | 3.93 | 25.8 °C |
| February | 5.30 | 2.49 | 2.01 | 4.06 | 25.6 °C |
| March | 5.33 | 3.27 | 2.66 | 4.30 | 25.7 °C |
| April | 5.23 | 4.28 | 3.51 | 4.53 | 25.1 °C |
| May | 4.77 | 4.94 | 4.08 | 4.45 | 23.6 °C |
| June | 4.77 | 5.67 | 4.68 | 4.65 | 23.6 °C |
| July | 5.10 | 5.87 | 4.83 | 4.91 | 24.2 °C |
| August | 5.56 | 5.19 | 4.23 | 4.99 | 26.8 °C |
| September | 5.23 | 3.60 | 2.89 | 4.28 | 28.9 °C |
| October | 5.42 | 2.77 | 2.22 | 4.17 | 28.6 °C |
| November | 5.55 | 2.15 | 1.71 | 4.09 | 27.1 °C |
| December | 5.45 | 1.89 | 1.50 | 3.93 | 26.1 °C |
| Year | 5.26 avg | 3.68 avg | 1094 kWh | 1591 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 790 Wp of panels at 70°, versus 300 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Nobres
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.
2.3 mrow pitch at 70°
2.4 mrow pitch at 18°
How Nobres compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1022ndof 2,264 places in Brazil for sunshine, shared: 5.26 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Brazil: 1,591 against 1,581 kWh per kWp.
−35 mindaylight on the longest day, compared with São Paulo: 13 h 00 min against 13 h 35 min.
18°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); Nobres ranks joint 1022nd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.50 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 11 h 15 min, +34 min compared with São Paulo.
Solar forecast for Nobres, 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 Nobres: 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.