Minas Gerais · Brazil · 20.47° S · 45.96° W
Solar position in Piumhi
Sun position, daylight and the best solar panel angle for Piumhi — computed for 20.47° S, 45.96° W, 791 m above sea level.
The sun right now
Sun in Piumhi today
Saturday, 24 October 2026 · local time UTC−3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:10 | sun 18° below horizon |
| Nautical dawn | 04:37 | 12° below |
| Civil dawn | 05:03 | 6° below |
| Sunrise | 05:26 | 103° ESE |
| Golden hour ends | 05:56 | sun 6° up |
| Solar noon | 11:48 | 81.4° high |
| Golden hour starts | 17:39 | sun 6° up |
| Sunset | 18:09 | 257° WSW |
| Civil dusk | 18:32 | 6° below |
| Nautical dusk | 18:59 | 12° below |
| Astronomical dusk | 19:26 | 18° below |
| Day length | 12 h 43 min | |
Sun path diagram for Piumhi
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 46.1° at solar noon in Piumhi; on the December solstice only 87.0°. Sunrise swings from 65° ENE in June to 115° ESE in December — a 50° 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 | 05:40 | 12:15 | 18:49 | 13 h 10 min | 89.3° |
| February | 05:57 | 12:17 | 18:36 | 12 h 39 min | 79.9° |
| March | 06:07 | 12:10 | 18:13 | 12 h 06 min | 69.1° |
| April | 06:16 | 12:02 | 17:47 | 11 h 31 min | 57.5° |
| May | 06:28 | 12:00 | 17:32 | 11 h 04 min | 49.3° |
| June | 06:38 | 12:05 | 17:32 | 10 h 53 min | 46.1° |
| July | 06:38 | 12:10 | 17:42 | 11 h 04 min | 49.2° |
| August | 06:21 | 12:07 | 17:52 | 11 h 31 min | 57.6° |
| September | 05:54 | 11:56 | 17:59 | 12 h 05 min | 69.0° |
| October | 05:28 | 11:48 | 18:08 | 12 h 40 min | 80.4° |
| November | 05:14 | 11:49 | 18:24 | 13 h 10 min | 89.5° |
| December | 05:20 | 12:01 | 18:43 | 13 h 23 min | 87.0° |
A year of daylight in Piumhi
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 Piumhi
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
23°collects the most energy over a year: 1650 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 | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1537 | 93% | 4.56 | 1.4× |
| 15° | 1636 | 99% | 4.32 | 1.2× |
| 18° off-grid best | 1644 | 100% | 4.24 | 1.2× |
| 20° = latitude | 1648 | 100% | 4.18 | 1.2× |
| 23° year-round best | 1650 | 100% | 4.09 | 1.2× |
| 30° | 1640 | 99% | 3.85 | 1.4× |
| 45° | 1549 | 94% | 3.18 | 1.7× |
| 60° | 1371 | 83% | 2.39 | 2.1× |
| 70° | 1212 | 73% | 1.85 | 2.6× |
| 90° | 849 | 51% | 1.20 | 3.4× |
A fixed array in Piumhi produces the most over a year at 23°. The design month for an off-grid system is December: at 18° it makes 4.24 kWh per kWp a day, 4% more than at 23°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Piumhi at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 23° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 23° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.78 | 2.42 | 1.96 | 4.23 | 22.9 °C |
| February | 5.91 | 3.02 | 2.48 | 4.57 | 22.8 °C |
| March | 5.35 | 3.65 | 3.02 | 4.46 | 22.3 °C |
| April | 5.01 | 4.64 | 3.86 | 4.64 | 21.3 °C |
| May | 4.34 | 5.05 | 4.25 | 4.41 | 19.0 °C |
| June | 4.12 | 5.45 | 4.60 | 4.43 | 18.3 °C |
| July | 4.45 | 5.75 | 4.84 | 4.75 | 18.4 °C |
| August | 5.19 | 5.52 | 4.62 | 5.10 | 20.4 °C |
| September | 5.59 | 4.34 | 3.59 | 4.88 | 23.0 °C |
| October | 5.78 | 3.26 | 2.67 | 4.57 | 24.0 °C |
| November | 5.54 | 2.52 | 2.05 | 4.12 | 23.0 °C |
| December | 5.66 | 2.29 | 1.85 | 4.09 | 22.9 °C |
| Year | 5.22 avg | 4.00 avg | 1212 kWh | 1650 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 640 Wp of panels at 70°, versus 290 Wp at 23°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Piumhi
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.
2.7 mrow pitch at 70°
2.7 mrow pitch at 23°
How Piumhi compares in Brazil
Against the other 2,263 places in Brazil with climate data, for a fixed array at its best angle.
1106thof 2,264 places in Brazil for sunshine, shared: 5.22 peak sun hours a day on flat ground.
+4%solar energy a year compared with the average place in Brazil: 1,650 against 1,581 kWh per kWp.
−13 mindaylight on the longest day, compared with São Paulo: 13 h 23 min against 13 h 35 min.
23°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); Piumhi ranks joint 1106th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.85 kWh a day here, against 1.56 kWh on average in Brazil. The shortest day lasts 10 h 53 min, +12 min compared with São Paulo.
Solar forecast for Piumhi, 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 Piumhi
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A free, live card for Piumhi: 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.