Lewiston Weather In July In Celsius

The hottest day in Lewiston Idaho in July for the past 59 years was 43°C, and the typical high is 31°C. The coldest July day in Lewiston for the past 59 years was 5°C, while the regular low temperature for a given day during the month is 15°C.

Lewiston usually receives an average of 1.83 cm of precipitation during July.