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Solar data for Western Sahara

Across the 4 places in Western Sahara the best fixed tilt for solar panels runs from 22° in Dakhla to 25° in Laayoune, and flat ground gets 5.7 to 6.1 peak sun hours a day. Every number is computed for each place.

Solar power in Western Sahara at a glance

Averages over 4 places with climate data, for a fixed array facing south.

Best panel angle24°average, facing south
Peak sun hours5.87a day on flat ground
1 kWp makes1,869kWh a year at the best angle
Off-grid angle37°average, for the darkest month
LaayouneDakhla (most sun)
  • 5.74–5.81
  • 5.81–5.89
  • 5.89–5.96
  • 5.96–6.03
  • 6.03–6.10

Peak sun hours a day on flat ground. Each dot is one place.

The sunniest place in Western Sahara is Dakhla (Western Sahara) with 6.10 peak sun hours a day on flat ground; the least sunny is El Marsa with 5.74. A 1 kWp array at its best angle makes from 1,841 kWh a year in El Marsa to 1,922 kWh in Dakhla — 1,869 kWh on average.

The best year-round tilt runs from 22° in Dakhla to 25° in Laayoune. Off-grid systems are sized for the darkest month and do better steeper, at 37° on average: at 70° that month brings 2.24 kWh per kWp a day in Dakhla and 2.47 kWh in Laayoune.

Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.

Largest places in Western Sahara at a glance

PlaceLatitudeBest tiltOff-grid tiltSun hours/day (flat)
Laayoune27.1° N25°38°5.77
Dakhla23.7° N22°32°6.10
Boujdour26.1° N24°38°5.85
El Marsa27.1° N25°38°5.74

Daylight and clock time in Western Sahara

In Laayoune (27.1° N), the northernmost place, the longest day of the year lasts 13 h 51 min and the shortest 10 h 26 min; in Dakhla (23.7° N), the southernmost, 13 h 36 min and 10 h 41 min. The clocks change twice a year: back on Sun 15 Feb, forward on Sun 22 Mar (Africa/El_Aaiun).

Time zonePlacesUTC offsetClocks change in 2026
Africa/El_Aaiun4UTC+1Back on Sun 15 Feb, forward on Sun 22 Mar

Questions about solar in Western Sahara

What is the best angle for solar panels in Western Sahara?
Facing south, between 22° and 25° depending on the place — 24° on average over 4 places. Off-grid systems that must get through the darkest month do better steeper, at about 37° on average.
How many peak sun hours does Western Sahara get?
From 5.7 hours a day in El Marsa to 6.1 in Dakhla on flat ground, averaged over the year; 5.9 on average.
How much electricity does 1 kWp of solar panels produce in Western Sahara?
About 1,869 kWh a year at the best fixed angle on average, from 1,841 kWh in El Marsa to 1,922 kWh in Dakhla. These are long-term climate averages; a single year can be several per cent higher or lower.
Where is the sunniest place in Western Sahara?
Dakhla (Western Sahara) gets the most sun of the 4 places: 6.10 peak sun hours a day on flat ground, so 1 kWp there makes about 1,922 kWh a year.
Does Western Sahara use daylight saving time?
The clocks change twice a year: back on Sun 15 Feb, forward on Sun 22 Mar (Africa/El_Aaiun).
How long is the longest day in Western Sahara?
13 h 51 min in Laayoune; the shortest day lasts 10 h 26 min in Laayoune.

All places in Western Sahara