Weather Comparison: Missoula and Lewiston

This page compares weather averages and records between the cities of Missoula, Montana and Lewiston, Idaho.
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Records and Averages Comparison

Missoula Lewiston
☀️ Record high 107 °F 117 °F
🌙 Record low -33 °F -22 °F
💧 Most daily precipitation 2.3 inches 1.8 inches
💧 Most monthly precipitation 7.4 inches 4.8 inches
💧 Most yearly precipitation 21.8 inches 21.4 inches
💧 Average yearly precipitation 14.1 inches 12.8 inches
❄️ Most daily snow 19.7 inches 9.0 inches
❄️ Most monthly snow 54.1 inches 31.3 inches
❄️ Most yearly snow 105.7 inches 40.6 inches
❄️ Average yearly snow 42.6 inches 12.3 inches
Maximum Difference Between High Temperatures
This table shows the times in history when the daily high temperature in Missoula was warmest relative to Lewiston, and vice versa.
Date Missoula Lewiston
November 20, 1897 68 °F 42 °F
February 07, 1936 -11 °F 42 °F