🏞 Of the land area, 20.1% has a semi-arid/ steppe climate (BS), 79.9% has a arid/ desert climate (BW).
🧜 Of the population, 89% live in a semi-arid/ steppe climate (BS), 11% live in a arid/ desert climate (BW).
| Location | Lat. | Long. | Alt. m(ft) | Climate | Biome | Av. Temp. | Precip. |
|---|---|---|---|---|---|---|---|
| Bilma | 18°41'N | 12°55'E | 357 (1171) | BWh | Tropical desert | 27 (80) | 12 (0) |
| Agadez | 16°58'N | 7°59'E | 502 (1647) | BWh | Subtropical desert scrub | 28 (83) | 111 (4) |
| Tahoua | 14°54'N | 5°15'E | 391 (1283) | BWh | Tropical thorn woodland | 29 (84) | 365 (14) |
| N’Guigmi | 14°15'N | 13°7'E | 286 (938) | BWh | Tropical desert scrub | 28 (82) | 188 (7) |
| Tillabery | 14°12'N | 1°27'E | 210 (689) | BWh | Tropical very dry forest | 30 (86) | 398 (16) |
| Birni N’Konni | 13°48'N | 5°15'E | 273 (896) | BSh | Tropical very dry forest | 29 (84) | 478 (19) |
| Zinder | 13°47'N | 8°59'E | 453 (1486) | BWh | Tropical very dry forest | 28 (83) | 411 (16) |
| Niamey | 13°29'N | 2°10'E | 227 (745) | BSh | Tropical very dry forest | 29 (85) | 541 (21) |
| Maradi | 13°28'N | 7°5'E | 373 (1224) | BSh | Tropical very dry forest | 27 (81) | 492 (19) |
| Maine Soroa | 13°14'N | 11°59'E | 337 (1106) | BWh | Tropical very dry forest | 28 (83) | 343 (13) |
| Magaria | 13°0'N | 8°54'E | 360 (1181) | BSh | Tropical very dry forest | 27 (81) | 518 (20) |
| Gaya | 11°53'N | 3°27'E | 203 (666) | BSh | Tropical dry forest | 29 (84) | 797 (31) |
| Niger Average | 14°18'N | 7°22'E | 331 (1086) | BWh | Tropical very dry forest | 28 (83) | 388 (15) |