Climate & Weather in Powell
Powell's climate is genuinely defined by the Bighorn Basin's arid, high-desert character -- low natural rainfall set against the Absaroka, Beartooth, and Bighorn mountains.
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Learn moreA genuinely arid, high-desert basin
The Bighorn Basin's lower elevations run as low as 5-8 inches of annual precipitation, among the driest regions in Wyoming -- this pass's research did not locate a Powell-specific (as opposed to basin-wide) precipitation figure, a real, disclosed gap.
Hot summers, cold winters
The Bighorn Basin sees mean July temperatures in the mid-70s°F and genuinely cold winters, with basin-floor January mean minimums around 0°F.
Irrigation, not rainfall, sustains agriculture
Powell's real, structural dependence on the Shoshone Irrigation District's canal system (93,000+ irrigated acres) directly reflects the basin's genuinely low natural rainfall.
Key takeaways
- Powell's Bighorn Basin setting is genuinely arid -- among the driest regions in Wyoming.
- Summers run hot (mid-70s°F) and winters run genuinely cold on the basin floor.
- Irrigation, not rainfall, sustains Powell's real agricultural economy.
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