Peak Sun Hours in Muzaffargarh, Punjab, Pakistan
- Solar zone
- Zone 4 (excellent)
- Best month
- May (7.0)
- Worst month
- December (3.1)
- Climate
- Arid · 27.6°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 3.15 | 3.64 | 3.37 | 1.42 | 13.7 | 38 |
| Feb | 4.16 | 4.64 | 4.09 | 1.72 | 17.0 | 37 |
| Mar | 5.35 | 5.85 | 4.60 | 2.15 | 23.3 | 35 |
| Apr | 6.44 | 6.91 | 5.07 | 2.52 | 30.1 | 27 |
| May | 6.98 | 7.31 | 4.91 | 2.86 | 35.9 | 20 |
| Jun | 6.59 | 7.03 | 3.85 | 3.16 | 38.6 | 27 |
| Jul | 5.89 | 6.44 | 2.82 | 3.18 | 38.2 | 36 |
| Aug | 5.70 | 6.24 | 3.14 | 2.90 | 36.6 | 39 |
| Sep | 5.42 | 5.71 | 3.98 | 2.38 | 33.5 | 36 |
| Oct | 4.60 | 4.70 | 3.99 | 1.95 | 28.1 | 26 |
| Nov | 3.51 | 3.68 | 3.55 | 1.55 | 21.1 | 28 |
| Dec | 3.06 | 3.33 | 3.59 | 1.32 | 15.6 | 33 |
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 3.06 kWh/m²/day, 0.77 system efficiency.
About solar in Muzaffargarh
Muzaffargarh, Pakistan has a dry climate with long hours of direct sunshine and low humidity. Its annual peak sun hours average 5.07 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Muzaffargarh is May (spring) at 6.98 kWh/m²/day, and the weakest is December (winter) at 3.06 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the December value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Muzaffargarh'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 Muzaffargarh?
- Muzaffargarh averages 5.07 peak sun hours per day annually, ranging from 3.06 in December to 6.98 in May.
- How many solar panels do I need in Muzaffargarh?
- Panel count depends on your daily load. At Muzaffargarh's annual average of 5.07 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 Muzaffargarh?
- Sizing against Muzaffargarh's worst month (December, 3.06 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 Muzaffargarh's solar resource compare globally?
- Muzaffargarh sits in solar zone 4 out of 5 (where 5 is strongest) at 5.07 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 often should I clean solar panels in Muzaffargarh?
- Arid climates can drop output 10–20% between cleanings. Quarterly cleaning is typical for Muzaffargarh; monthly during dust-storm seasons. Dew alone isn't enough when rainfall is infrequent.
- Does extreme heat hurt solar output in Muzaffargarh?
- Yes. Panel efficiency drops ~0.4% per °C above 25 °C cell temperature. In Muzaffargarh, midday cell temperatures of 55–70 °C can derate output 12–18% below nameplate.
- Is Muzaffargarh's solar resource as strong as the numbers suggest?
- Muzaffargarh's 5.07 kWh/m²/day is excellent globally. But heat derating and dust accumulation mean real-world yields typically land 10–15% below this headline figure — factor that into sizing.