Tarija Department · Bolivia · 22.73° S · 64.34° W
Solar position in Bermejo
Sun position, daylight and the best solar panel angle for Bermejo — computed for 22.73° S, 64.34° W, 416 m above sea level.
The sun right now
Sun in Bermejo today
Saturday, 24 October 2026 · local time UTC−4
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:19 | sun 18° below horizon |
| Nautical dawn | 04:47 | 12° below |
| Civil dawn | 05:14 | 6° below |
| Sunrise | 05:37 | 103° ESE |
| Golden hour ends | 06:07 | sun 6° up |
| Solar noon | 12:01 | 79.2° high |
| Golden hour starts | 17:55 | sun 6° up |
| Sunset | 18:25 | 257° WSW |
| Civil dusk | 18:48 | 6° below |
| Nautical dusk | 19:16 | 12° below |
| Astronomical dusk | 19:43 | 18° below |
| Day length | 12 h 48 min | |
Sun path diagram for Bermejo
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 43.8° at solar noon in Bermejo; on the December solstice only 89.3°. Sunrise swings from 65° ENE in June to 116° ESE in December — a 51° 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 | 05:49 | 12:28 | 19:07 | 13 h 17 min | 87.1° |
| February | 06:09 | 12:30 | 18:51 | 12 h 43 min | 77.7° |
| March | 06:21 | 12:24 | 18:27 | 12 h 06 min | 66.9° |
| April | 06:32 | 12:15 | 17:59 | 11 h 26 min | 55.3° |
| May | 06:45 | 12:13 | 17:42 | 10 h 57 min | 47.0° |
| June | 06:57 | 12:19 | 17:41 | 10 h 44 min | 43.8° |
| July | 06:55 | 12:23 | 17:51 | 10 h 56 min | 46.9° |
| August | 06:37 | 12:20 | 18:03 | 11 h 27 min | 55.3° |
| September | 06:07 | 12:10 | 18:13 | 12 h 05 min | 66.8° |
| October | 05:40 | 12:02 | 18:24 | 12 h 44 min | 78.1° |
| November | 05:24 | 12:03 | 18:42 | 13 h 18 min | 87.3° |
| December | 05:29 | 12:15 | 19:01 | 13 h 32 min | 89.3° |
A year of daylight in Bermejo
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 Bermejo
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
22°collects the most energy over a year: 1471 kWh per kWp.
37°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 | May kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1381 | 94% | 2.70 | 1.8× |
| 15° | 1462 | 99% | 3.18 | 1.4× |
| 22° year-round best | 1471 | 100% | 3.34 | 1.4× |
| 23° = latitude | 1471 | 100% | 3.36 | 1.4× |
| 30° | 1459 | 99% | 3.47 | 1.4× |
| 37° off-grid best | 1428 | 97% | 3.53 | 1.4× |
| 45° | 1372 | 93% | 3.55 | 1.5× |
| 60° | 1209 | 82% | 3.43 | 1.9× |
| 70° | 1064 | 72% | 3.23 | 2.3× |
| 90° | 738 | 50% | 2.59 | 3.3× |
A fixed array in Bermejo produces the most over a year at 22°. The design month for an off-grid system is May: at 37° it makes 3.53 kWh per kWp a day, 6% more than at 22°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in Bermejo at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 22° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 22° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.95 | 2.46 | 1.97 | 4.35 | 26.0 °C |
| February | 5.41 | 2.95 | 2.40 | 4.22 | 24.8 °C |
| March | 4.62 | 3.30 | 2.70 | 3.87 | 23.7 °C |
| April | 3.82 | 3.54 | 2.93 | 3.48 | 22.0 °C |
| May | 3.35 | 3.84 | 3.23 | 3.34 | 18.7 °C |
| June | 3.22 | 4.16 | 3.52 | 3.38 | 17.4 °C |
| July | 3.72 | 4.81 | 4.07 | 3.93 | 17.3 °C |
| August | 4.62 | 5.06 | 4.24 | 4.56 | 20.0 °C |
| September | 5.17 | 4.19 | 3.47 | 4.56 | 22.8 °C |
| October | 5.33 | 3.16 | 2.56 | 4.25 | 25.8 °C |
| November | 5.77 | 2.54 | 2.04 | 4.28 | 26.4 °C |
| December | 5.74 | 2.27 | 1.81 | 4.14 | 26.3 °C |
| Year | 4.73 avg | 3.53 avg | 1064 kWh | 1471 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 650 Wp of panels at 70°, versus 350 Wp at 22°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bermejo
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.
2.9 mrow pitch at 70°
2.7 mrow pitch at 22°
How Bermejo compares in Bolivia
Against the other 38 places in Bolivia with climate data, for a fixed array at its best angle.
36thof 39 places in Bolivia for sunshine, shared: 4.72 peak sun hours a day on flat ground.
−12%solar energy a year compared with the average place in Bolivia: 1,471 against 1,680 kWh per kWp.
+25 mindaylight on the longest day, compared with La Paz: 13 h 32 min against 13 h 07 min.
22°best year-round tilt here; across Bolivia it runs from 14° in Riberalta to 25° in Villazón.
Of the 39 places in Bolivia, Tupiza gets the most sun (6.59 peak sun hours a day) and Villa Yapacaní the least (4.60); Bermejo ranks joint 36th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.81 kWh a day here, against 1.69 kWh on average in Bolivia. The shortest day lasts 10 h 44 min, −24 min compared with La Paz.
Solar forecast for Bermejo, 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 Bermejo
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Places near Bermejo
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A free, live card for Bermejo: 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.