Weather Comparison: Idaho Falls and Phoenix

This page compares weather averages and records between the cities of Idaho Falls, Idaho and Phoenix, Arizona.
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Records and Averages Comparison

Idaho Falls Phoenix
☀️ Record high 102 °F 122 °F
🌙 Record low -38 °F 12 °F
💧 Most daily precipitation 1.7 inches 3.3 inches
💧 Most monthly precipitation 4.3 inches 6.3 inches
💧 Most yearly precipitation 15.8 inches 22.2 inches
💧 Average yearly precipitation 9.8 inches 7.2 inches
Maximum Difference Between High Temperatures
This table shows the times in history when the daily high temperature in Idaho Falls was warmest relative to Phoenix, and vice versa.
Date Idaho Falls Phoenix
August 14, 1990 92 °F 78 °F
December 23, 1983 -10 °F 70 °F