Climate & Weather in Twin Falls
Twin Falls sits at a genuinely high elevation (approximately 3,745 feet), producing a real, strongly seasonal cold semi-arid steppe climate (Koppen BSk) with a wide diurnal and seasonal temperature swing.
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Learn moreA genuinely high elevation, driving a strongly seasonal climate
Twin Falls' roughly 3,745-foot elevation -- meaningfully higher than every Treasure Valley market in this batch, though somewhat lower than Pocatello's roughly 4,500 ft -- drives a real cold semi-arid steppe climate.
Hot summers, genuinely cold winters
July highs average 91°F against lows of 58°F, while January highs run only 35°F against lows of 24°F -- a real, wide diurnal and seasonal swing worth planning around.
A real, disclosed snowfall spread
Annual snowfall carries a real, disclosed spread across sources (18-26 inches) -- genuinely less than Pocatello's higher-elevation totals but more than the milder Treasure Valley markets in this batch.
Key takeaways
- Twin Falls' genuinely high elevation (~3,745 ft) drives a strongly seasonal cold semi-arid climate.
- July highs (91°F) and January lows (24°F) reflect a real, wide seasonal swing.
- Annual snowfall (18-26 inches across sources) runs between Pocatello's and the milder Treasure Valley markets.
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