Climate & Weather in Riverton

Riverton has a real, current cold semi-arid climate -- large seasonal temperature contrasts, genuinely low annual precipitation, and freezing, windy winters.

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Large seasonal temperature swings

Riverton's temperature typically ranges from 13F to 89F over the course of a year, rarely dropping below -2F or exceeding 97F -- a climatic normal annual average of approximately 43.9F.

Freezing, snowy, windy winters

Winters are freezing, snowy, and windy, with mean annual snowfall of approximately 37.1 inches -- generally light amounts punctuated by one or two heavier storms.

Hot, dry summers moderated by elevation

Summers are hot and dry, with July averaging approximately 76.3F -- Riverton's elevation keeps summer highs from running as extreme as lower-elevation locations.

Key takeaways

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Last reviewed: 2026-09-02. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.