Peak Sun Hours in Hafizabad, Punjab, Pakistan
- Solar zone
- Zone 4 (excellent)
- Best month
- May (7.1)
- Worst month
- January (3.0)
- Climate
- Tropical · 25.5°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 2.97 | 3.66 | 3.85 | 1.21 | 12.4 | 45 |
| Feb | 3.85 | 4.62 | 4.32 | 1.49 | 15.6 | 48 |
| Mar | 5.15 | 5.91 | 5.05 | 1.89 | 21.6 | 43 |
| Apr | 6.28 | 7.08 | 5.50 | 2.39 | 28.1 | 35 |
| May | 7.12 | 7.74 | 6.18 | 2.56 | 34.3 | 24 |
| Jun | 6.99 | 7.70 | 5.62 | 2.62 | 36.6 | 31 |
| Jul | 5.98 | 7.10 | 3.90 | 2.77 | 34.5 | 52 |
| Aug | 5.62 | 6.66 | 3.95 | 2.53 | 32.4 | 60 |
| Sep | 5.46 | 5.98 | 5.11 | 1.97 | 30.2 | 54 |
| Oct | 4.77 | 4.95 | 5.52 | 1.56 | 25.9 | 39 |
| Nov | 3.59 | 3.87 | 4.77 | 1.28 | 19.6 | 36 |
| Dec | 2.98 | 3.35 | 4.29 | 1.13 | 14.5 | 38 |
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 2.97 kWh/m²/day, 0.77 system efficiency.
About solar in Hafizabad
Hafizabad, Pakistan has a warm, tropical climate with a distinct wet and dry season. Its annual peak sun hours average 5.06 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Hafizabad is May (spring) at 7.12 kWh/m²/day, and the weakest is January (winter) at 2.97 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the January value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Hafizabad'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 Hafizabad?
- Hafizabad averages 5.06 peak sun hours per day annually, ranging from 2.97 in January to 7.12 in May.
- How many solar panels do I need in Hafizabad?
- Panel count depends on your daily load. At Hafizabad's annual average of 5.06 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 Hafizabad?
- Sizing against Hafizabad's worst month (January, 2.97 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 Hafizabad's solar resource compare globally?
- Hafizabad sits in solar zone 4 out of 5 (where 5 is strongest) at 5.06 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 Hafizabad?
- Hafizabad's dry-season output peaks at 7.12 kWh/m²/day in May; the wet season drops it to 2.97 in January. That ~82% swing is a key sizing consideration.
- Can solar panels survive tropical storms in Hafizabad?
- Most tier-1 PV panels are rated for 140+ mph wind loads; mounting hardware usually fails first. In cyclone-prone regions like Pakistan, specify IEC 61215-certified panels and anchor-bolt mounts rather than ballasted.
- What's the dry-to-wet output gap in Hafizabad?
- Hafizabad swings from 7.12 kWh/m²/day in May (dry) to 2.97 in January (wet) — roughly 82%. Year-round off-grid systems must size against the wet-season minimum.