About Kelson, Wellington Region's Climate & Weather History

Kelson is a city of approximately 3,100 people in Wellington Region, New Zealand. Located in the New Zealand time zone at 41.2°S latitude.

In 2025, Kelson recorded an average annual temperature of 56°F. The hottest temperatures reached 79°F in February; the coolest were 34°F in July. Total precipitation for the year was 52 inches, with the wettest month being June.