About Cossack, Northern Territory's Climate & Weather History

Cossack is a city of approximately 1,700 people in Northern Territory, Australia. Located in the Australia/Darwin time zone at 14.5°S latitude.

In 2025, Cossack recorded an average annual temperature of 81°F. The hottest temperatures reached 105°F in March; the coolest were 52°F in June. Total precipitation for the year was 36 inches, with the wettest month being March.