About Campbellton, 04's Climate & Weather History

Campbellton is a city of approximately 6,900 people in New Brunswick, Canada. Located in the America/Moncton time zone at 48°N latitude.

In 2025, Campbellton recorded an average annual temperature of 41°F. The hottest temperatures reached 96°F in August; the coolest were -12°F in February. Total precipitation for the year was 39 inches, with the wettest month being July. Snowfall for the year totaled approximately 37 inches.