Peak Sun Hours in Al Ain City, Abu Dhabi, United Arab Emirates
- Solar zone
- Zone 5 (exceptional)
- Best month
- June (7.6)
- Worst month
- December (4.1)
- Climate
- Arid · 28.8°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 4.31 | 4.72 | 4.94 | 1.59 | 18.1 | 56 |
| Feb | 5.10 | 5.57 | 4.88 | 1.97 | 20.2 | 47 |
| Mar | 6.03 | 6.59 | 4.88 | 2.43 | 24.0 | 38 |
| Apr | 6.81 | 7.35 | 4.79 | 2.85 | 29.0 | 29 |
| May | 7.51 | 7.80 | 5.22 | 3.03 | 33.7 | 24 |
| Jun | 7.58 | 7.80 | 5.09 | 3.12 | 36.1 | 26 |
| Jul | 7.01 | 7.31 | 3.91 | 3.34 | 37.6 | 27 |
| Aug | 6.87 | 7.15 | 4.51 | 2.97 | 37.5 | 27 |
| Sep | 6.50 | 6.70 | 5.16 | 2.49 | 34.6 | 29 |
| Oct | 5.73 | 5.89 | 5.78 | 1.88 | 30.2 | 34 |
| Nov | 4.66 | 4.91 | 5.40 | 1.58 | 24.6 | 47 |
| Dec | 4.11 | 4.41 | 5.05 | 1.46 | 20.1 | 56 |
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 4.11 kWh/m²/day, 0.77 system efficiency.
About solar in Al Ain City
Al Ain City, United Arab Emirates has a dry climate with long hours of direct sunshine and low humidity. Its annual peak sun hours average 6.02 kWh/m²/day, a exceptional solar resource by global standards.
The strongest month in Al Ain City is June (summer) at 7.58 kWh/m²/day, and the weakest is December (winter) at 4.11 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.
Al Ain City's exceptional solar resource means panels can be sized close to demand rather than heavily oversized, which keeps installation costs down.
FAQ
- What are the peak sun hours in Al Ain City?
- Al Ain City averages 6.02 peak sun hours per day annually, ranging from 4.11 in December to 7.58 in June.
- How many solar panels do I need in Al Ain City?
- Panel count depends on your daily load. At Al Ain City's annual average of 6.02 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 Al Ain City?
- Sizing against Al Ain City's worst month (December, 4.11 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 Al Ain City's solar resource compare globally?
- Al Ain City sits in solar zone 5 out of 5 (where 5 is strongest) at 6.02 kWh/m²/day — exceptional 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 Al Ain City?
- Arid climates can drop output 10–20% between cleanings. Quarterly cleaning is typical for Al Ain City; monthly during dust-storm seasons. Dew alone isn't enough when rainfall is infrequent.
- Does extreme heat hurt solar output in Al Ain City?
- Yes. Panel efficiency drops ~0.4% per °C above 25 °C cell temperature. In Al Ain City, midday cell temperatures of 55–70 °C can derate output 12–18% below nameplate.
- Is Al Ain City's solar resource as strong as the numbers suggest?
- Al Ain City's 6.02 kWh/m²/day is exceptional globally. But heat derating and dust accumulation mean real-world yields typically land 10–15% below this headline figure — factor that into sizing.