25 places · sun position · panel angle
Solar data for Yemen
Across the 25 places in Yemen the best fixed tilt for solar panels runs from 14° in Aden to 18° in Sa'dah, and flat ground gets 6.1 to 6.7 peak sun hours a day. Every number is computed for each place.
Solar power in Yemen at a glance
Averages over 25 places with climate data, for a fixed array facing south.
- 6.05–6.18
- 6.18–6.30
- 6.30–6.42
- 6.42–6.54
- 6.54–6.67
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Yemen is Ataq (Shabwah) with 6.67 peak sun hours a day on flat ground; the least sunny is Bayt al Faqīh with 6.05. A 1 kWp array at its best angle makes from 1,794 kWh a year in Mocha to 2,004 kWh in Ataq — 1,887 kWh on average.
The best year-round tilt runs from 14° in Aden to 18° in Sa'dah. Off-grid systems are sized for the darkest month and do better steeper, at 6° on average: at 70° that month brings 1.49 kWh per kWp a day in Aden and 1.81 kWh in Sa'dah.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Yemen
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 | Ataq | Shabwah | 6.67 | 2,004 | 16° |
| 2 | Ma'rib | Ma’rib | 6.62 | 1,993 | 17° |
| 3 | Al Ḩazm | Al Jawf | 6.57 | 1,999 | 18° |
| 4 | Al Bayda | Al Bayda | 6.43 | 1,928 | 16° |
| 5 | Saḩar | Sanaa Governorate | 6.40 | 1,952 | 17° |
| 6 | Sayyān | Sanaa Governorate | 6.39 | 1,951 | 17° |
| 6 | Ghayl Bā Wazīr | Muhafazat Hadramaout | 6.39 | 1,910 | 16° |
| 8 | Mukalla | Muhafazat Hadramaout | 6.38 | 1,905 | 16° |
| 9 | Sanaa | Amanat Alasimah | 6.37 | 1,938 | 17° |
| 10 | Dhamār | Dhamār | 6.35 | 1,947 | 17° |
Least sunny places in Yemen
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 21 | Bājil | Al Hudaydah | 6.09 | 1,813 | 16° |
| 21 | Mocha | Ta‘izz | 6.08 | 1,794 | 15° |
| 23 | Al Ḩudaydah | Al Hudaydah | 6.07 | 1,803 | 16° |
| 23 | Zabīd | Al Hudaydah | 6.07 | 1,799 | 16° |
| 25 | Bayt al Faqīh | Al Hudaydah | 6.05 | 1,798 | 16° |
Solar by region in Yemen
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 |
|---|---|---|---|---|---|---|
| Shabwah | 1 | 6.67 | 2,004 | 16° | 1.67 kWh | Ataq |
| Ma’rib | 1 | 6.62 | 1,993 | 17° | 1.75 kWh | Ma'rib |
| Al Jawf | 1 | 6.57 | 1,999 | 18° | 1.80 kWh | Al Ḩazm |
| Al Bayda | 1 | 6.43 | 1,928 | 16° | 1.59 kWh | Al Bayda |
| Sanaa Governorate | 2 | 6.39 | 1,952 | 17° | 1.71 kWh | Saḩar |
| Muhafazat Hadramaout | 2 | 6.38 | 1,908 | 16° | 1.64 kWh | Ghayl Bā Wazīr |
| Amanat Alasimah | 1 | 6.37 | 1,938 | 17° | 1.71 kWh | Sanaa |
| Dhamār | 1 | 6.35 | 1,947 | 17° | 1.66 kWh | Dhamār |
| Şa‘dah | 1 | 6.34 | 1,924 | 18° | 1.81 kWh | Sa'dah |
| Omran | 1 | 6.30 | 1,906 | 17° | 1.72 kWh | ‘Amrān |
| Ibb Governorate | 3 | 6.24 | 1,881 | 16° | 1.59 kWh | Yarīm |
| Abyan Governorate | 1 | 6.22 | 1,840 | 14° | 1.51 kWh | Zinjibār |
| Ḩajjah | 1 | 6.19 | 1,858 | 17° | 1.71 kWh | Ḩajjah |
| Laḩij | 1 | 6.18 | 1,828 | 14° | 1.51 kWh | Laḩij |
| Aden | 1 | 6.16 | 1,816 | 14° | 1.49 kWh | Aden |
| Ta‘izz | 2 | 6.12 | 1,814 | 15° | 1.53 kWh | Taiz |
| Al Hudaydah | 4 | 6.07 | 1,803 | 16° | 1.60 kWh | Bājil |
Largest places in Yemen at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Sanaa | 15.4° N | 17° | 5° | 6.37 |
| Aden | 12.8° N | 14° | 6° | 6.16 |
| Taiz | 13.6° N | 15° | 5° | 6.16 |
| Ibb | 14.0° N | 16° | 4° | 6.22 |
| Al Ḩudaydah | 14.8° N | 16° | 7° | 6.07 |
| Mukalla | 14.5° N | 16° | 10° | 6.38 |
| Dhamār | 14.5° N | 17° | 1° | 6.35 |
| ‘Amrān | 15.7° N | 17° | 7° | 6.30 |
| Sayyān | 15.2° N | 17° | 4° | 6.39 |
| Zabīd | 14.2° N | 16° | 6° | 6.07 |
| Sa'dah | 16.9° N | 18° | 9° | 6.34 |
| Bājil | 15.1° N | 16° | 8° | 6.09 |
| Ḩajjah | 15.7° N | 17° | 9° | 6.19 |
| Dhī as Sufāl | 13.8° N | 15° | 4° | 6.19 |
| Al Bayda | 14.0° N | 16° | 4° | 6.43 |
| Ataq | 14.5° N | 16° | 7° | 6.67 |
| Bayt al Faqīh | 14.5° N | 16° | 7° | 6.05 |
| Yarīm | 14.3° N | 17° | 2° | 6.31 |
| Saḩar | 15.3° N | 17° | 4° | 6.40 |
| Laḩij | 13.1° N | 14° | 7° | 6.18 |
Daylight and clock time in Yemen
In Sa'dah (16.9° N), the northernmost place, the longest day of the year lasts 13 h 08 min and the shortest 11 h 07 min; in Aden (12.8° N), the southernmost, 12 h 53 min and 11 h 23 min. Yemen does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Asia/Aden | 25 | UTC+3 | no daylight saving time |