Pierce Average Temperature by Month

This page shows the average temperature in each month of the year in Pierce, Idaho. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Pierce?
In Pierce, Idaho, the warmest month is July, with an average daily high temperature of 83.1 °F and an average low of 45.5 °F.
What's the Coldest Month in Pierce?
In Pierce, Idaho, the coolest month is January, with an average daily high temperature of 35.0 °F and an average low of 18.7 °F.
Month Avg. High Avg. Low
January 35.0 °F 18.7 °F
February 38.9 °F 19.4 °F
March 46.5 °F 24.1 °F
April 54.5 °F 29.1 °F
May 64.1 °F 36.1 °F
June 71.5 °F 42.1 °F
July 83.1 °F 45.5 °F
August 82.4 °F 43.1 °F
September 72.5 °F 36.3 °F
October 57.3 °F 29.8 °F
November 42.8 °F 24.6 °F
December 33.5 °F 18.6 °F
Year 56.8 °F 30.7 °F
Weather Station Details
Years Station Coordinates
1963–2024 Pierce location
1913–1962 Pierce RS location