About Jamestown, ND's Climate & Weather History

With a population of around 15,400, Jamestown sits in North Dakota, United States. The city operates in the Central Time Zone.

In 2025, Jamestown recorded an average annual temperature of 43°F. The hottest temperatures reached 90°F in July; the coolest were -27°F in February. Total precipitation for the year was 25 inches, with the wettest month being August. Snowfall for the year totaled approximately 10 inches.