65 places · sun position · panel angle
Solar data for Senegal
Across the 65 places in Senegal the best fixed tilt for solar panels runs from 14° in Kaolack to 16° in Richard-Toll, and flat ground gets 5.6 to 6.2 peak sun hours a day. Every number is computed for each place.
Solar power in Senegal at a glance
Averages over 65 places with climate data, for a fixed array facing south.
- 5.63–5.74
- 5.74–5.84
- 5.84–5.95
- 5.95–6.06
- 6.06–6.17
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Senegal is Ndioum (Saint-Louis) with 6.17 peak sun hours a day on flat ground; the least sunny is Ziguinchor with 5.63. A 1 kWp array at its best angle makes from 1,668 kWh a year in Ziguinchor to 1,819 kWh in Dagana — 1,758 kWh on average.
The best year-round tilt runs from 14° in Kaolack to 16° in Richard-Toll. Off-grid systems are sized for the darkest month and do better steeper, at 10° on average: at 70° that month brings 1.47 kWh per kWp a day in Kédougou and 1.90 kWh in Dagana.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Senegal
Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 1 | Ndioum | Saint-Louis | 6.17 | 1,818 | 16° |
| 2 | Dagana | Saint-Louis | 6.14 | 1,819 | 16° |
| 3 | Thilogne | Matam | 6.13 | 1,801 | 16° |
| 4 | Richard-Toll | Saint-Louis | 6.11 | 1,813 | 16° |
| 5 | Matam | Matam | 6.10 | 1,794 | 15° |
| 6 | Ouro Sogui | Matam | 6.09 | 1,791 | 15° |
| 7 | Kanel | Matam | 6.09 | 1,788 | 15° |
| 8 | Dara | Louga | 6.07 | 1,788 | 15° |
| 9 | Ndibène Dahra | Louga | 6.07 | 1,788 | 15° |
| 9 | Linguère | Louga | 6.06 | 1,786 | 15° |
Least sunny places in Senegal
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 61 | Kédougou | Kedougou | 5.75 | 1,693 | 14° |
| 62 | Sédhiou | Sédhiou | 5.71 | 1,683 | 14° |
| 63 | Bignona | Ziguinchor | 5.68 | 1,683 | 14° |
| 64 | Goudomp | Sédhiou | 5.66 | 1,673 | 14° |
| 65 | Ziguinchor | Ziguinchor | 5.63 | 1,668 | 14° |
Solar by region in Senegal
Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.
| Region | Places | Sun hours/day | kWh per kWp a year | Best tilt | Darkest month at 70° | Sunniest place |
|---|---|---|---|---|---|---|
| Matam | 4 | 6.10 | 1,794 | 15° | 1.82 kWh | Thilogne |
| Saint-Louis | 4 | 6.09 | 1,809 | 16° | 1.88 kWh | Ndioum |
| Louga | 5 | 6.05 | 1,791 | 15° | 1.80 kWh | Dara |
| Diourbel Region | 6 | 6.01 | 1,779 | 15° | 1.72 kWh | Touba |
| Fatick | 3 | 5.98 | 1,771 | 14° | 1.69 kWh | Gossas Village |
| Kaolack | 5 | 5.94 | 1,755 | 14° | 1.65 kWh | Guinguinéo |
| Kaffrine | 3 | 5.93 | 1,743 | 14° | 1.63 kWh | Kaffrine |
| Thies | 15 | 5.93 | 1,767 | 15° | 1.71 kWh | Mékhé |
| Tambacounda | 2 | 5.90 | 1,731 | 14° | 1.60 kWh | Koumpentoum |
| Dakar | 9 | 5.85 | 1,751 | 15° | 1.70 kWh | Sébikhotane |
| Kolda | 4 | 5.78 | 1,699 | 14° | 1.53 kWh | Vélingara |
| Kedougou | 1 | 5.75 | 1,693 | 14° | 1.47 kWh | Kédougou |
| Sédhiou | 2 | 5.68 | 1,678 | 14° | 1.50 kWh | Sédhiou |
| Ziguinchor | 2 | 5.65 | 1,675 | 14° | 1.49 kWh | Bignona |
Largest places in Senegal at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Dakar | 14.7° N | 15° | 12° | 5.82 |
| Pikine | 14.8° N | 15° | 12° | 5.83 |
| Touba | 14.9° N | 15° | 12° | 6.02 |
| Guédiawaye | 14.8° N | 15° | 12° | 5.83 |
| Thiès | 14.8° N | 15° | 11° | 5.92 |
| Kaolack | 14.2° N | 14° | 8° | 5.94 |
| Rufisque | 14.7° N | 15° | 12° | 5.85 |
| Mbour | 14.4° N | 14° | 10° | 5.90 |
| Saint-Louis | 16.0° N | 15° | 16° | 5.96 |
| Thiès Nones | 14.8° N | 15° | 11° | 5.91 |
| Ziguinchor | 12.6° N | 14° | 0° | 5.63 |
| Diourbel | 14.6° N | 14° | 11° | 6.01 |
| Tambacounda | 13.8° N | 14° | 4° | 5.88 |
| Louga | 15.6° N | 15° | 14° | 6.03 |
| Kolda | 12.9° N | 14° | 0° | 5.76 |
| Tivaouane | 15.0° N | 15° | 12° | 5.95 |
| Mbaké | 14.8° N | 15° | 12° | 6.02 |
| Tiébo | 14.6° N | 14° | 11° | 6.01 |
| Keur Médoune | 14.8° N | 15° | 12° | 6.01 |
| Richard-Toll | 16.5° N | 16° | 19° | 6.11 |
Daylight and clock time in Senegal
In Ndioum (16.5° N), the northernmost place, the longest day of the year lasts 13 h 07 min and the shortest 11 h 09 min; in Kédougou (12.6° N), the southernmost, 12 h 52 min and 11 h 23 min. Senegal does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Africa/Dakar | 65 | UTC | no daylight saving time |