monthly average precipitation in arctic cordillera
Its northern reaches are cold and dry throughout the year, with a mean winter temperature of -35Â°C, and average summer temperatures of -2Â°C. Precipitation averages 20 cm, which is not sufficient for many plant species.overing the mountain peaks and blanketing the many valleys, polar ice fields and alpine glaciers create icy scenery unique to the Arctic. The rugged landscape and harsh climate limit the diversity of plants and animals that inhabit this ecozone.