The leaguer of the Noldor around the fortress of Morgoth in the early centuries of the First Age. The Siege was broken in the Dagor Bragollach.
... cold. At Dui the average yearly temperature is only 33.0° F (January 3.4°; July 61.0°), 35.0° at Kusunai and 37.6° at Aniva (January, 9.5°; July, 60.2°). At Alexandrovsk ...