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Peak Sun Hours in Reef Al Fujairah City, Fujairah, United Arab Emirates

5.6
kWh/m²/day (annual avg)
Solar zone
Zone 4 (excellent)
Best month
June (7.3)
Worst month
December (3.7)
Climate
Tropical · 28.3°C

Monthly solar breakdown

J: 3.9 kWh/m²/day F: 4.66 kWh/m²/day M: 5.62 kWh/m²/day A: 6.43 kWh/m²/day M: 7.23 kWh/m²/day J: 7.26 kWh/m²/day J: 6.56 kWh/m²/day A: 6.36 kWh/m²/day S: 6.01 kWh/m²/day O: 5.26 kWh/m²/day N: 4.26 kWh/m²/day D: 3.69 kWh/m²/day J F M A M J J A S O N D 8 0
Month GHI Clear-sky DNI DHI Temp °C Humid %
Jan 3.90 4.46 4.42 1.56 19.3 62
Feb 4.66 5.26 4.37 1.95 20.8 58
Mar 5.62 6.29 4.61 2.33 23.9 52
Apr 6.43 7.06 4.59 2.77 28.5 42
May 7.23 7.51 5.24 2.88 33.3 34
Jun 7.26 7.54 5.03 3.00 35.0 40
Jul 6.56 7.00 3.58 3.28 35.1 47
Aug 6.36 6.80 4.00 2.95 34.3 50
Sep 6.01 6.27 4.50 2.54 32.8 49
Oct 5.26 5.47 4.95 1.99 30.0 49
Nov 4.26 4.59 4.81 1.59 25.3 55
Dec 3.69 4.11 4.37 1.47 21.3 61

GHI, Clear-sky, DNI, DHI in kWh/m²/day. Data: NASA POWER climatology (long-term monthly averages).

Off-grid calculator

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Sizing

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Sizing against worst-month PSH of 3.69 kWh/m²/day, 0.77 system efficiency.

About solar in Reef Al Fujairah City

Reef Al Fujairah City, United Arab Emirates has a warm, tropical climate with a distinct wet and dry season. Its annual peak sun hours average 5.6 kWh/m²/day, a excellent solar resource by global standards.

The strongest month in Reef Al Fujairah City is June (summer) at 7.26 kWh/m²/day, and the weakest is December (winter) at 3.69 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.

Reef Al Fujairah City'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 Reef Al Fujairah City?
Reef Al Fujairah City averages 5.6 peak sun hours per day annually, ranging from 3.69 in December to 7.26 in June.
How many solar panels do I need in Reef Al Fujairah City?
Panel count depends on your daily load. At Reef Al Fujairah City's annual average of 5.6 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 Reef Al Fujairah City?
Sizing against Reef Al Fujairah City's worst month (December, 3.69 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 Reef Al Fujairah City's solar resource compare globally?
Reef Al Fujairah City sits in solar zone 4 out of 5 (where 5 is strongest) at 5.6 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 Reef Al Fujairah City?
Reef Al Fujairah City's dry-season output peaks at 7.26 kWh/m²/day in June; the wet season drops it to 3.69 in December. That ~64% swing is a key sizing consideration.
Can solar panels survive tropical storms in Reef Al Fujairah City?
Most tier-1 PV panels are rated for 140+ mph wind loads; mounting hardware usually fails first. In cyclone-prone regions like United Arab Emirates, specify IEC 61215-certified panels and anchor-bolt mounts rather than ballasted.
What's the dry-to-wet output gap in Reef Al Fujairah City?
Reef Al Fujairah City swings from 7.26 kWh/m²/day in June (dry) to 3.69 in December (wet) — roughly 64%. Year-round off-grid systems must size against the wet-season minimum.