Peak Sun Hours in Nuevo Laredo, Tamaulipas, Mexico
- Solar zone
- Zone 4 (excellent)
- Best month
- June (7.0)
- Worst month
- December (3.0)
- Climate
- Tropical · 23.2°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 3.23 | 4.45 | 4.18 | 1.21 | 13.2 | 66 |
| Feb | 3.97 | 5.37 | 4.48 | 1.45 | 16.2 | 64 |
| Mar | 4.92 | 6.46 | 4.81 | 1.79 | 20.5 | 60 |
| Apr | 5.71 | 7.24 | 4.94 | 2.14 | 24.7 | 58 |
| May | 6.16 | 7.58 | 5.08 | 2.25 | 27.9 | 60 |
| Jun | 6.99 | 7.91 | 6.38 | 2.19 | 30.5 | 58 |
| Jul | 6.84 | 7.74 | 5.99 | 2.25 | 30.3 | 60 |
| Aug | 6.70 | 7.32 | 6.46 | 1.97 | 30.9 | 58 |
| Sep | 5.36 | 6.48 | 5.02 | 1.93 | 27.6 | 68 |
| Oct | 4.68 | 5.57 | 5.54 | 1.42 | 23.9 | 67 |
| Nov | 3.59 | 4.58 | 4.77 | 1.18 | 18.5 | 67 |
| Dec | 3.04 | 4.12 | 4.19 | 1.12 | 14.0 | 66 |
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 3.04 kWh/m²/day, 0.77 system efficiency.
About solar in Nuevo Laredo
Nuevo Laredo, Mexico has a warm, tropical climate with a distinct wet and dry season. Its annual peak sun hours average 5.1 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Nuevo Laredo is June (summer) at 6.99 kWh/m²/day, and the weakest is December (winter) at 3.04 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.
Nuevo Laredo'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 Nuevo Laredo?
- Nuevo Laredo averages 5.1 peak sun hours per day annually, ranging from 3.04 in December to 6.99 in June.
- How many solar panels do I need in Nuevo Laredo?
- Panel count depends on your daily load. At Nuevo Laredo's annual average of 5.1 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 Nuevo Laredo?
- Sizing against Nuevo Laredo's worst month (December, 3.04 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 Nuevo Laredo's solar resource compare globally?
- Nuevo Laredo sits in solar zone 4 out of 5 (where 5 is strongest) at 5.1 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 Nuevo Laredo?
- Nuevo Laredo's dry-season output peaks at 6.99 kWh/m²/day in June; the wet season drops it to 3.04 in December. That ~77% swing is a key sizing consideration.
- Can solar panels survive tropical storms in Nuevo Laredo?
- Most tier-1 PV panels are rated for 140+ mph wind loads; mounting hardware usually fails first. In cyclone-prone regions like Mexico, specify IEC 61215-certified panels and anchor-bolt mounts rather than ballasted.
- What's the dry-to-wet output gap in Nuevo Laredo?
- Nuevo Laredo swings from 6.99 kWh/m²/day in June (dry) to 3.04 in December (wet) — roughly 77%. Year-round off-grid systems must size against the wet-season minimum.