Bono · Ghana · 7.34° N · 2.33° W
Solar position in Sunyani
Sun position, daylight and the best solar panel angle for Sunyani — computed for 7.34° N, 2.33° W, 298 m above sea level.
The sun right now
Sun in Sunyani today
Saturday, 24 October 2026 · local time UTC
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:45 | sun 18° below horizon |
| Nautical dawn | 05:10 | 12° below |
| Civil dawn | 05:35 | 6° below |
| Sunrise | 05:56 | 102° ESE |
| Golden hour ends | 06:24 | sun 6° up |
| Solar noon | 11:53 | 70.8° high |
| Golden hour starts | 17:22 | sun 6° up |
| Sunset | 17:50 | 258° WSW |
| Civil dusk | 18:11 | 6° below |
| Nautical dusk | 18:36 | 12° below |
| Astronomical dusk | 19:01 | 18° below |
| Day length | 11 h 54 min | |
Sun path diagram for Sunyani
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 73.9° at solar noon in Sunyani; on the December solstice only 59.2°. Sunrise swings from 66° 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 | 06:27 | 12:20 | 18:13 | 11 h 46 min | 62.8° |
| February | 06:24 | 12:22 | 18:20 | 11 h 56 min | 72.2° |
| March | 06:13 | 12:16 | 18:19 | 12 h 07 min | 83.0° |
| April | 05:58 | 12:07 | 18:17 | 12 h 19 min | 85.4° |
| May | 05:51 | 12:05 | 18:20 | 12 h 29 min | 77.1° |
| June | 05:54 | 12:11 | 18:27 | 12 h 33 min | 73.9° |
| July | 06:01 | 12:15 | 18:30 | 12 h 29 min | 76.9° |
| August | 06:02 | 12:12 | 18:22 | 12 h 19 min | 85.3° |
| September | 05:58 | 12:02 | 18:05 | 12 h 07 min | 83.2° |
| October | 05:56 | 11:53 | 17:51 | 11 h 55 min | 71.9° |
| November | 06:02 | 11:55 | 17:48 | 11 h 46 min | 62.7° |
| December | 06:16 | 12:07 | 17:58 | 11 h 42 min | 59.2° |
A year of daylight in Sunyani
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 Sunyani
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
9°collects the most energy over a year: 1381 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 | 1369 | 99% | 3.06 | 1.4× |
| 7° = latitude | 1380 | 100% | 3.01 | 1.4× |
| 9° year-round best | 1381 | 100% | 2.99 | 1.4× |
| 15° | 1374 | 100% | 2.92 | 1.5× |
| 30° | 1308 | 95% | 2.64 | 1.7× |
| 45° | 1176 | 85% | 2.24 | 2.0× |
| 60° | 988 | 72% | 1.75 | 2.5× |
| 70° | 844 | 61% | 1.39 | 2.9× |
| 90° | 590 | 43% | 1.00 | 2.6× |
A fixed array in Sunyani produces the most over a year at 9°. The design month for an off-grid system is August: at 0° it makes 3.06 kWh per kWp a day, 2% more than at 9°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Sunyani at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 9° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 9° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.97 | 4.36 | 3.55 | 4.16 | 26.5 °C |
| February | 5.03 | 3.72 | 3.00 | 4.08 | 28.5 °C |
| March | 5.30 | 3.17 | 2.55 | 4.21 | 28.2 °C |
| April | 5.41 | 2.40 | 1.91 | 4.20 | 27.6 °C |
| May | 5.22 | 1.82 | 1.44 | 3.98 | 26.6 °C |
| June | 4.50 | 1.58 | 1.24 | 3.42 | 25.2 °C |
| July | 4.01 | 1.53 | 1.21 | 3.07 | 24.4 °C |
| August | 3.85 | 1.75 | 1.39 | 2.99 | 24.5 °C |
| September | 4.10 | 2.28 | 1.84 | 3.25 | 24.9 °C |
| October | 4.80 | 3.29 | 2.68 | 3.92 | 25.4 °C |
| November | 4.95 | 4.19 | 3.42 | 4.14 | 25.9 °C |
| December | 4.71 | 4.33 | 3.54 | 3.98 | 25.8 °C |
| Year | 4.73 avg | 2.86 avg | 844 kWh | 1381 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 980 Wp of panels at 70°, versus 390 Wp at 9°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Sunyani
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.
1.9 mrow pitch at 70°
2.2 mrow pitch at 9°
How Sunyani compares in Ghana
Against the other 97 places in Ghana with climate data, for a fixed array at its best angle.
79thof 98 places in Ghana for sunshine, shared: 4.74 peak sun hours a day on flat ground.
−3%solar energy a year compared with the average place in Ghana: 1,380 against 1,426 kWh per kWp.
+2 mindaylight on the longest day, compared with Kumasi: 12 h 33 min against 12 h 31 min.
9°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); Sunyani ranks joint 79th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.21 kWh a day here, against 1.18 kWh on average in Ghana. The shortest day lasts 11 h 42 min, −2 min compared with Kumasi.
Solar forecast for Sunyani, 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 Sunyani
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Places near Sunyani
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A free, live card for Sunyani: 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.