About Lyneham, Australian Capital Territory's Climate & Weather History

With a population of around 5,100, Lyneham sits in Australian Capital Territory, Australia. The city operates in the Australian Eastern time zone.

In 2025, Lyneham recorded an average annual temperature of 56°F. The hottest temperatures reached 97°F in December; the coolest were 25°F in June. Total precipitation for the year was 21 inches, with the wettest month being July.