About Sydenham, Canterbury's Climate & Weather History

With a population of around 6,200, Sydenham sits in Canterbury, New Zealand. The city operates in the New Zealand time zone.

In 2025, Sydenham recorded an average annual temperature of 54°F. The hottest temperatures reached 86°F in March; the coolest were 32°F in August. Total precipitation for the year was 34 inches, with the wettest month being April.