{{Short description|Town in Adrar Province, Algeria}} {{refimprove|date=February 2015}} thumb|Bordj Ouallen '''Ouallene''' or '''Ouallen''' is a desert town and bordj{{huh|date=November 2023}} 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.
thumb|Topographic map of the vicinity of Ouallen / Algeria
== 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 {{convert|17|mm|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.
{{Weather box |location = Ouallene (2010 - 2013) |metric first = yes |single line = yes |Jan high C = 24.5 |Feb high C = 28.3 |Mar high C = 33.1 |Apr high C = 36.5 |May high C = 41.0 |Jun high C = 45.2 |Jul high C = 45.2 |Aug high C = 43.9 |Sep high C = 42.7 |Oct high C = 36.9 |Nov high C = 31.6 |Dec high C = 27.1 |year high C = |Jan mean C = 16.0 |Feb mean C = 19.9 |Mar mean C = 24.5 |Apr mean C = 27.9 |May mean C = 32.5 |Jun mean C = 36.4 |Jul mean C = 37.6 |Aug mean C = 36.7 |Sep mean C = 34.9 |Oct mean C = 29.7 |Nov mean C = 23.1 |Dec mean C = 18.6 |year mean C = |Jan low C = 7.7 |Feb low C = 11.2 |Mar low C = 15.9 |Apr low C = 19.3 |May low C = 24.0 |Jun low C = 27.9 |Jul low C = 30.1 |Aug low C = 29.6 |Sep low C = 27.0 |Oct low C = 22.4 |Nov low C = 14.6 |Dec low C = 9.8 |year low C = |Jan precipitation mm = 3.0 |Feb precipitation mm = 1.0 |Mar precipitation mm = 0.0 |Apr precipitation mm = 0.0 |May precipitation mm = 0.3 |Jun precipitation mm = 0.3 |Jul precipitation mm = 2.0 |Aug precipitation mm = 9.5 |Sep precipitation mm = 1.0 |Oct precipitation mm = 0.3 |Nov precipitation mm = 0.0 |Dec precipitation mm = 0.0 |year precipitation = |source 1 = Global climatology for Ouallene, Algeria (2010 - 2013)<ref>{{cite web |url=http://www.infoclimat.fr/climatologie/globale/ouallene/60675.html |title=Ouallene, Algeria |publisher=Infoclimat |accessdate=31 May 2013}}</ref> |date=May 2013}}
==References== {{Reflist}}
{{coord|24|37|N|1|16|E|display=title|region:DZ_type:city_source:GNS-enwiki}}
Category:Towns in Algeria