Peak Sun Hours in Akowonjo, Lagos, Nigeria
- Solar zone
- Zone 3 (good)
- Best month
- April (5.0)
- Worst month
- July (3.8)
- Climate
- Equatorial · 26.4°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 4.92 | 5.37 | 2.73 | 2.60 | 26.2 | 78 |
| Feb | 4.79 | 5.49 | 1.98 | 2.77 | 27.3 | 83 |
| Mar | 4.98 | 6.03 | 2.00 | 2.77 | 27.6 | 85 |
| Apr | 5.03 | 6.48 | 2.22 | 2.74 | 27.5 | 86 |
| May | 4.68 | 6.53 | 2.18 | 2.50 | 27.1 | 87 |
| Jun | 3.95 | 6.33 | 1.40 | 2.29 | 26.1 | 88 |
| Jul | 3.82 | 6.40 | 1.30 | 2.22 | 25.1 | 89 |
| Aug | 4.11 | 6.61 | 1.51 | 2.34 | 24.7 | 89 |
| Sep | 4.20 | 6.76 | 1.49 | 2.40 | 25.3 | 90 |
| Oct | 4.65 | 6.54 | 2.21 | 2.45 | 26.1 | 88 |
| Nov | 5.02 | 5.97 | 3.17 | 2.39 | 26.8 | 86 |
| Dec | 4.96 | 5.46 | 3.30 | 2.39 | 26.6 | 80 |
GHI, Clear-sky, DNI, DHI in kWh/m²/day. Data: NASA POWER climatology (long-term monthly averages).
Off-grid calculator
Add appliances
- Add an appliance to size a system.
Sizing
- Daily load
- 0.00 kWh
- Panel wattage
- 0 W
- Panel count (400W modules)
- 0
- Battery bank
- 0.0 kWh
Sizing against worst-month PSH of 3.82 kWh/m²/day, 0.77 system efficiency.
About solar in Akowonjo
Akowonjo, Nigeria sits near the equator, where day length is stable year-round and the sun passes close to overhead. Its annual peak sun hours average 4.59 kWh/m²/day, a good solar resource by global standards.
The strongest month in Akowonjo is April (spring) at 5.03 kWh/m²/day, and the weakest is July (summer) at 3.82 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the July value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Akowonjo's solar conditions are well within the range where off-grid PV is a straightforward engineering exercise with standard-sized arrays and lithium batteries.
FAQ
- What are the peak sun hours in Akowonjo?
- Akowonjo averages 4.59 peak sun hours per day annually, ranging from 3.82 in July to 5.03 in April.
- How many solar panels do I need in Akowonjo?
- Panel count depends on your daily load. At Akowonjo's annual average of 4.59 kWh/m²/day, a 5 kWh/day load needs roughly 4 × 400 W panels. Use the calculator above for your actual load.
- What size battery do I need in Akowonjo?
- Sizing against Akowonjo's worst month (July, 3.82 kWh/m²/day) with 2 days of autonomy at 80% depth of discharge, a 5 kWh/day load needs about a 12.5 kWh battery bank.
- How does Akowonjo's solar resource compare globally?
- Akowonjo sits in solar zone 3 out of 5 (where 5 is strongest) at 4.59 kWh/m²/day — good by global standards. For reference, top-tier desert sites average ~6.5 and high-latitude cities around 2.5 kWh/m²/day.
- Why doesn't solar output vary much by month in Akowonjo?
- Near the equator, day length is nearly constant year-round and the sun stays close to overhead. In Akowonjo, monthly PSH ranges just from 3.82 to 5.03 kWh/m²/day — variance is driven by wet-season cloud cover, not day length.
- What tilt angle works best for panels in Akowonjo?
- At latitude 7°, panels in Akowonjo work best at a low tilt (roughly 7°) or horizontal. Tracking mounts add little benefit this close to the equator.
- How does the wet season affect solar output in Akowonjo?
- Equatorial wet seasons reduce output through cloud cover, not day length. Akowonjo's worst month (July) still delivers 3.82 kWh/m²/day — design against this value for reliable year-round off-grid use.