About Ilam, Canterbury's Climate & Weather History

Ilam, in Canterbury, New Zealand, is home to roughly 10,100 people in the New Zealand time zone at 43.5°S latitude.

In 2025, Ilam recorded an average annual temperature of 54°F. The hottest temperatures reached 87°F in March; the coolest were 28°F in July. Total precipitation for the year was 38 inches, with the wettest month being April.