Advertisement
Last Articles
Last News
- Boise Police: 33-year-old Nampa man charged with lewd conduct with a minor [10/10/2011]
- Boise State QB Kellen Moore named Mountain West player of the week [10/10/2011]
- Here is the latest Idaho news from The Associated Press [10/10/2011]
- Fischer watch: Romney chides 'poisonous language' of former Idaho Christian leader [10/10/2011]
Idaho Climate
Highest Temperature The highest temperature recorded in Idaho is 118°, Fahrenheit. This record high was recorded on July 28, 1934 at Orofino.
Lowest Temperature The lowest temperature in Idaho, a very chilly -60°, was recorded on January 16, 1943 at Island Park Dam.
Average Temperature Monthly average temperatures range from a high of 90.6 degrees to a low of 15.1 degrees.
Climate Idahos climate is diverse. It is influenced by Pacific weather patterns, which help moderate temperature extremes. Generally, the northern part of the state has greater precipitation than either southwestern or southeastern Idaho. The southern part of the state has warmer summer temperatures than the north and is drier throughout the year. Southeastern Idaho, however, tends to be cooler than the west and drier than the north. Idahos growing season varies from about 200 days near the city of Lewiston to very brief at high altitudes. Idaho has no hurricanes and tornadoes are extremely rare. Winds may accompany cold fronts and thunderstorms, but hail damage in the state is very small compared to that which occurs in the central United States.
Average yearly precipitation for Idaho, from 1971 to 2000, is shown on this chart from Oregon State University.
Tags: temperature recorded lowest island park dam generally precipitation patterns