Littoral · Cameroon · 4.58° N · 9.66° E
Solar position in Njombé
Sun position, daylight and the best solar panel angle for Njombé — computed for 4.58° N, 9.66° E, 74 m above sea level.
The sun right now
Sun in Njombé today
Saturday, 24 October 2026 · local time UTC+1
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:55 | sun 18° below horizon |
| Nautical dawn | 05:20 | 12° below |
| Civil dawn | 05:44 | 6° below |
| Sunrise | 06:05 | 102° ESE |
| Golden hour ends | 06:34 | sun 6° up |
| Solar noon | 12:05 | 73.6° high |
| Golden hour starts | 17:36 | sun 6° up |
| Sunset | 18:05 | 258° WSW |
| Civil dusk | 18:26 | 6° below |
| Nautical dusk | 18:50 | 12° below |
| Astronomical dusk | 19:15 | 18° below |
| Day length | 11 h 59 min | |
Sun path diagram for Njombé
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 71.1° at solar noon in Njombé; on the December solstice only 62.0°. Sunrise swings from 66° ENE in June to 113° 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 | 06:35 | 12:32 | 18:29 | 11 h 54 min | 65.6° |
| February | 06:34 | 12:34 | 18:34 | 12 h 00 min | 75.0° |
| March | 06:25 | 12:28 | 18:31 | 12 h 07 min | 85.8° |
| April | 06:12 | 12:20 | 18:27 | 12 h 14 min | 82.6° |
| May | 06:07 | 12:17 | 18:28 | 12 h 21 min | 74.3° |
| June | 06:11 | 12:23 | 18:34 | 12 h 23 min | 71.1° |
| July | 06:17 | 12:27 | 18:38 | 12 h 21 min | 74.2° |
| August | 06:17 | 12:24 | 18:31 | 12 h 15 min | 82.6° |
| September | 06:10 | 12:14 | 18:17 | 12 h 07 min | 86.0° |
| October | 06:06 | 12:05 | 18:05 | 12 h 00 min | 74.6° |
| November | 06:10 | 12:07 | 18:04 | 11 h 54 min | 65.5° |
| December | 06:23 | 12:19 | 18:15 | 11 h 52 min | 62.0° |
A year of daylight in Njombé
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 Njombé
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
7°collects the most energy over a year: 1265 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 | 1259 | 99% | 2.65 | 1.5× |
| 5° = latitude | 1265 | 100% | 2.61 | 1.6× |
| 7° year-round best | 1265 | 100% | 2.60 | 1.6× |
| 15° | 1256 | 99% | 2.51 | 1.7× |
| 30° | 1189 | 94% | 2.26 | 2.0× |
| 45° | 1063 | 84% | 1.90 | 2.4× |
| 60° | 888 | 70% | 1.47 | 3.0× |
| 70° | 759 | 60% | 1.17 | 3.4× |
| 90° | 533 | 42% | 0.89 | 2.9× |
A fixed array in Njombé produces the most over a year at 7°. The design month for an off-grid system is August: at 0° it makes 2.65 kWh per kWp a day, 2% more than at 7°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Njombé at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 7° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 7° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.08 | 4.26 | 3.49 | 4.22 | 24.9 °C |
| February | 4.84 | 3.42 | 2.79 | 3.93 | 25.5 °C |
| March | 4.62 | 2.68 | 2.17 | 3.69 | 25.4 °C |
| April | 4.65 | 2.03 | 1.62 | 3.65 | 25.2 °C |
| May | 4.58 | 1.55 | 1.22 | 3.54 | 24.9 °C |
| June | 3.93 | 1.39 | 1.09 | 3.01 | 24.0 °C |
| July | 3.46 | 1.32 | 1.04 | 2.67 | 23.2 °C |
| August | 3.32 | 1.47 | 1.17 | 2.60 | 23.0 °C |
| September | 3.89 | 2.07 | 1.67 | 3.10 | 23.5 °C |
| October | 4.22 | 2.78 | 2.26 | 3.43 | 24.0 °C |
| November | 4.47 | 3.56 | 2.92 | 3.69 | 24.5 °C |
| December | 4.91 | 4.32 | 3.55 | 4.10 | 24.6 °C |
| Year | 4.33 avg | 2.57 avg | 759 kWh | 1265 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 1,130 Wp of panels at 70°, versus 450 Wp at 7°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Njombé
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.
1.8 mrow pitch at 70°
2.1 mrow pitch at 7°
How Njombé compares in Cameroon
Against the other 86 places in Cameroon with climate data, for a fixed array at its best angle.
72ndof 87 places in Cameroon for sunshine: 4.33 peak sun hours a day on flat ground.
−13%solar energy a year compared with the average place in Cameroon: 1,266 against 1,454 kWh per kWp.
+2 mindaylight on the longest day, compared with Douala: 12 h 23 min against 12 h 21 min.
7°best year-round tilt here; across Cameroon it runs from 4° in Ébolowa to 15° in Kousséri.
Of the 87 places in Cameroon, Blangwa gets the most sun (6.11 peak sun hours a day) and Limbe the least (4.17); Njombé ranks 72nd. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 1.04 kWh a day here, against 1.16 kWh on average in Cameroon. The shortest day lasts 11 h 52 min, −2 min compared with Douala.
Solar forecast for Njombé, 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 Njombé: 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.