About Grafton, New South Wales's Climate & Weather History

Grafton, in New South Wales, Australia, is home to roughly 19,300 people in the Australian Eastern time zone at 29.7°S latitude.

In 2025, Grafton recorded an average annual temperature of 67°F. The hottest temperatures reached 100°F in December; the coolest were 39°F in July. Total precipitation for the year was 52 inches, with the wettest month being March.