Ouallene
Ouallene or Ouallen is a desert town and bordj in southern Algeria. The village is located in the Adrar Province to the southeast of Reggane. The bordj sits at an elevation of about 346 m (1,135 ft) above sea level and lies in the heart of the Tanezrouft, one of the hottest and driest regions in the Sahara Desert, the world's largest hot desert.
![](../I/Oaallen.png.webp)
![](../I/Bordj_Quallen.jpg.webp)
Climate
Ouallene has a hot desert climate (Köppen climate classification BWh), with a really long, torrid summer and a brief, very warm winter, and averages just 17 millimetres (0.67 in) of rainfall per year. The excessively sunny, hot, dry climate is marked by very high temperatures and near-zero precipitation all year-long. During many months of the year, highs of 40° are common and from June to August, inclusively, highs are consistently hovering around 45° with lows rarely dropping below 30°. The annual mean temperature exceeds 28° in Ouallene.
Climate data for Ouallene (2010 - 2013) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
Average high °C (°F) | 24.5 (76.1) |
28.3 (82.9) |
33.1 (91.6) |
36.5 (97.7) |
41.0 (105.8) |
45.2 (113.4) |
45.2 (113.4) |
43.9 (111.0) |
42.7 (108.9) |
36.9 (98.4) |
31.6 (88.9) |
27.1 (80.8) |
36.3 (97.4) |
Daily mean °C (°F) | 16.0 (60.8) |
19.9 (67.8) |
24.5 (76.1) |
27.9 (82.2) |
32.5 (90.5) |
36.4 (97.5) |
37.6 (99.7) |
36.7 (98.1) |
34.9 (94.8) |
29.7 (85.5) |
23.1 (73.6) |
18.6 (65.5) |
28.2 (82.7) |
Average low °C (°F) | 7.7 (45.9) |
11.2 (52.2) |
15.9 (60.6) |
19.3 (66.7) |
24.0 (75.2) |
27.9 (82.2) |
30.1 (86.2) |
29.6 (85.3) |
27.0 (80.6) |
22.4 (72.3) |
14.6 (58.3) |
9.8 (49.6) |
20.0 (67.9) |
Average precipitation mm (inches) | 3.0 (0.12) |
1.0 (0.04) |
0.0 (0.0) |
0.0 (0.0) |
0.3 (0.01) |
0.3 (0.01) |
2.0 (0.08) |
9.5 (0.37) |
1.0 (0.04) |
0.3 (0.01) |
0.0 (0.0) |
0.0 (0.0) |
17.4 (0.68) |
Source: Global climatology for Ouallene, Algeria (2010 - 2013)[1] |