About Saint John West, 04's Climate & Weather History

Saint John West, in New Brunswick, Canada, is home to roughly 15,300 people in the America/Moncton time zone at 45.3°N latitude.

In 2025, Saint John West recorded an average annual temperature of 44°F. The hottest temperatures reached 87°F in August; the coolest were -6°F in January. Total precipitation for the year was 46 inches, with the wettest month being March. Snowfall for the year totaled approximately 19 inches.