Climate for Idaho
(United States)

Average daytime and nighttime temperatures


All climatic diagrams on this site result from the collected data from 8 measuring stations in Idaho.
Weather stations at an altitude above 1690m have not been included.
All data correspond to the average monthly values of the last 20 years.


Back to overview: USA

Idaho is one of the coldest regions in the United States with an average daily high temperature of only 16 degrees centigrade. The climate is much more unsettled than in central Europe and offers varied seasons with deep winters and warm summers.

Travel season

Due to the warmer temperatures the best time for traveling is from June to September. Winter athletes will find their favorite weather conditions from December to February.

hours of sunshine per day
Sunshine hours per day in the United States
rainy days per month
Rainy days per month in the United States
Precipitation in mm/day
Precipitation in the United States
Relative humidity in %
Relative humidity in the United States
Absolute humidity in g/m³ (approx.)
Absolute humidity in the United States

The most important cities in the region of Idaho

Idaho is a part of of the United States and has an east-west extension of about 410 km. From north to south it is approximately 690 km. The biggest cities are Boise and Nampa. The local time is now Monday, 3:13 am.

CityPopulationGeo-Position 
Boise145,98743°36'49"N116°12'12"W
Nampa81,55743°32'27"N116°33'48"W
Meridian75,09243°36'44"N116°23'29"W
Idaho Falls56,81343°27'60"N112°2'3"W
Pocatello54,25542°52'17"N112°26'44"W
Caldwell46,23743°39'47"N116°41'14"W
Coeur d'Alene44,13747°40'40"N116°46'50"W
Twin Falls44,12542°33'47"N114°27'39"W
Lewiston31,89446°24'60"N117°1'4"W
Lewiston Orchards31,42246°22'50"N116°58'32"W
Post Falls27,57447°43'5"N116°57'6"W
Rexburg25,48443°49'34"N111°47'23"W
Moscow23,80046°43'57"N117°0'1"W
Eagle19,90843°41'44"N116°21'14"W
Kuna15,21043°29'31"N116°25'12"W
Mountain Home14,20643°7'59"N115°41'28"W
Chubbuck13,92242°55'15"N112°27'58"W
Ammon13,81643°28'11"N111°57'60"W
Hayden13,29447°45'58"N116°47'12"W
Blackfoot11,89943°11'26"N112°20'42"W
Garden City10,97243°37'20"N116°14'17"W
Jerome10,89042°43'27"N114°31'7"W
Burley10,34542°32'9"N113°47'34"W
Hailey7,96043°31'11"N114°18'55"W
Payette7,43344°4'42"N116°56'2"W
Sandpoint7,36548°16'36"N116°33'12"W
Rathdrum6,82647°48'45"N116°53'48"W
Emmett6,55743°52'25"N116°29'57"W
Star5,79343°41'32"N116°29'36"W
Rupert5,55442°37'9"N113°40'38"W