Upper East · Ghana · 10.79° N · 0.85° W
Solar position in Bolgatanga
Sun position, daylight and the best solar panel angle for Bolgatanga — computed for 10.79° N, 0.85° W, 191 m above sea level.
The sun right now
Sun in Bolgatanga today
Saturday, 24 October 2026 · local time UTC
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:42 | sun 18° below horizon |
| Nautical dawn | 05:06 | 12° below |
| Civil dawn | 05:31 | 6° below |
| Sunrise | 05:53 | 102° ESE |
| Golden hour ends | 06:21 | sun 6° up |
| Solar noon | 11:47 | 67.4° high |
| Golden hour starts | 17:13 | sun 6° up |
| Sunset | 17:41 | 258° WSW |
| Civil dusk | 18:03 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:52 | 18° below |
| Day length | 11 h 49 min | |
Sun path diagram for Bolgatanga
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 77.4° at solar noon in Bolgatanga; on the December solstice only 55.8°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 06:26 | 12:14 | 18:02 | 11 h 36 min | 59.4° |
| February | 06:21 | 12:17 | 18:12 | 11 h 51 min | 68.8° |
| March | 06:07 | 12:10 | 18:14 | 12 h 07 min | 79.6° |
| April | 05:49 | 12:02 | 18:14 | 12 h 25 min | 88.8° |
| May | 05:40 | 11:59 | 18:19 | 12 h 40 min | 80.5° |
| June | 05:42 | 12:05 | 18:27 | 12 h 45 min | 77.4° |
| July | 05:49 | 12:09 | 18:29 | 12 h 40 min | 80.4° |
| August | 05:53 | 12:06 | 18:19 | 12 h 25 min | 88.8° |
| September | 05:52 | 11:56 | 18:00 | 12 h 07 min | 79.8° |
| October | 05:52 | 11:47 | 17:43 | 11 h 50 min | 68.4° |
| November | 06:01 | 11:49 | 17:37 | 11 h 36 min | 59.3° |
| December | 06:16 | 12:01 | 17:46 | 11 h 30 min | 55.8° |
A year of daylight in Bolgatanga
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 Bolgatanga
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
12°collects the most energy over a year: 1636 kWh per kWp.
0°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 | August kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° off-grid best | 1606 | 98% | 3.91 | 1.2× |
| 11° = latitude | 1636 | 100% | 3.80 | 1.3× |
| 12° year-round best | 1636 | 100% | 3.79 | 1.3× |
| 15° | 1635 | 100% | 3.74 | 1.3× |
| 30° | 1574 | 96% | 3.37 | 1.6× |
| 45° | 1428 | 87% | 2.83 | 2.1× |
| 60° | 1209 | 74% | 2.16 | 2.8× |
| 70° | 1035 | 63% | 1.68 | 3.5× |
| 90° | 713 | 44% | 1.07 | 3.4× |
A fixed array in Bolgatanga produces the most over a year at 12°. The design month for an off-grid system is August: at 0° it makes 3.91 kWh per kWp a day, 3% more than at 12°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Bolgatanga at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 12° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 12° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.55 | 5.39 | 4.42 | 4.86 | 24.8 °C |
| February | 5.77 | 4.58 | 3.71 | 4.79 | 28.4 °C |
| March | 5.92 | 3.72 | 2.96 | 4.69 | 31.3 °C |
| April | 6.02 | 2.74 | 2.16 | 4.59 | 31.4 °C |
| May | 5.96 | 2.01 | 1.57 | 4.43 | 29.9 °C |
| June | 5.55 | 1.74 | 1.36 | 4.10 | 28.1 °C |
| July | 5.15 | 1.75 | 1.38 | 3.86 | 26.5 °C |
| August | 4.92 | 2.10 | 1.68 | 3.79 | 25.8 °C |
| September | 5.22 | 2.92 | 2.36 | 4.16 | 26.0 °C |
| October | 5.73 | 4.20 | 3.42 | 4.75 | 26.7 °C |
| November | 5.65 | 5.28 | 4.31 | 4.90 | 26.3 °C |
| December | 5.49 | 5.76 | 4.73 | 4.90 | 24.5 °C |
| Year | 5.57 avg | 3.51 avg | 1035 kWh | 1636 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 870 Wp of panels at 70°, versus 310 Wp at 12°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Bolgatanga
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.
2.1 mrow pitch at 70°
2.3 mrow pitch at 12°
How Bolgatanga compares in Ghana
Against the other 97 places in Ghana with climate data, for a fixed array at its best angle.
3rdof 98 places in Ghana for sunshine: 5.57 peak sun hours a day on flat ground.
+15%solar energy a year compared with the average place in Ghana: 1,636 against 1,426 kWh per kWp.
+15 mindaylight on the longest day, compared with Kumasi: 12 h 45 min against 12 h 31 min.
12°best year-round tilt here; across Ghana it runs from 6° in Accra to 13° in Bawku.
Of the 98 places in Ghana, Bawku and one other place get the most sun (5.61 peak sun hours a day) and Prestea the least (4.58); Bolgatanga ranks 3rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.36 kWh a day here, against 1.18 kWh on average in Ghana. The shortest day lasts 11 h 30 min, −14 min compared with Kumasi.
Solar forecast for Bolgatanga, 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 Bolgatanga
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Places near Bolgatanga
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A free, live card for Bolgatanga: 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.