Peak Sun Hours in Katsina, Katsina State, Nigeria
- Solar zone
- Zone 4 (excellent)
- Best month
- April (6.4)
- Worst month
- August (5.4)
- Climate
- Tropical · 26.8°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 5.47 | 5.67 | 4.12 | 2.47 | 21.4 | 19 |
| Feb | 5.84 | 6.08 | 3.50 | 3.00 | 25.1 | 15 |
| Mar | 6.24 | 6.62 | 3.08 | 3.34 | 28.7 | 13 |
| Apr | 6.42 | 6.97 | 3.12 | 3.37 | 31.6 | 22 |
| May | 6.33 | 7.07 | 3.34 | 3.15 | 31.9 | 38 |
| Jun | 6.08 | 6.83 | 3.11 | 3.09 | 30.2 | 53 |
| Jul | 5.72 | 6.95 | 2.95 | 2.81 | 27.6 | 67 |
| Aug | 5.36 | 7.10 | 2.76 | 2.62 | 25.7 | 79 |
| Sep | 6.00 | 6.91 | 3.73 | 2.65 | 26.1 | 75 |
| Oct | 6.05 | 6.47 | 4.32 | 2.57 | 26.7 | 51 |
| Nov | 5.79 | 6.01 | 4.82 | 2.31 | 24.8 | 28 |
| Dec | 5.45 | 5.62 | 4.84 | 2.17 | 22.0 | 24 |
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 5.36 kWh/m²/day, 0.77 system efficiency.
About solar in Katsina
Katsina, Nigeria has a warm, tropical climate with a distinct wet and dry season. Its annual peak sun hours average 5.9 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Katsina is April (spring) at 6.42 kWh/m²/day, and the weakest is August (summer) at 5.36 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the August value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Katsina'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 Katsina?
- Katsina averages 5.9 peak sun hours per day annually, ranging from 5.36 in August to 6.42 in April.
- How many solar panels do I need in Katsina?
- Panel count depends on your daily load. At Katsina's annual average of 5.9 kWh/m²/day, a 5 kWh/day load needs roughly 3 × 400 W panels. Use the calculator above for your actual load.
- What size battery do I need in Katsina?
- Sizing against Katsina's worst month (August, 5.36 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 Katsina's solar resource compare globally?
- Katsina sits in solar zone 4 out of 5 (where 5 is strongest) at 5.9 kWh/m²/day — excellent by global standards. For reference, top-tier desert sites average ~6.5 and high-latitude cities around 2.5 kWh/m²/day.
- How does the wet season affect solar generation in Katsina?
- Katsina's dry-season output peaks at 6.42 kWh/m²/day in April; the wet season drops it to 5.36 in August. That ~18% swing is a key sizing consideration.
- Can solar panels survive tropical storms in Katsina?
- Most tier-1 PV panels are rated for 140+ mph wind loads; mounting hardware usually fails first. In cyclone-prone regions like Nigeria, specify IEC 61215-certified panels and anchor-bolt mounts rather than ballasted.
- What's the dry-to-wet output gap in Katsina?
- Katsina swings from 6.42 kWh/m²/day in April (dry) to 5.36 in August (wet) — roughly 18%. Year-round off-grid systems must size against the wet-season minimum.