With a population of around 1,200, Shell Valley sits in North Dakota, United States. The city operates in the Central Time Zone.
In 2025, Shell Valley recorded an average annual temperature of 39°F. The hottest temperatures reached 91°F in May; the coolest were -28°F in January. Total precipitation for the year was 21 inches, with the wettest month being October. Snowfall for the year totaled approximately 11 inches.
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