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Idaho Falls, ID Weather


Idaho Falls, ID climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 20's.

The warmest month of the year is July with an average maximum temperature of 86.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 12.50 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 35 degrees Fahrenheit, and fairly limited during winter with an average difference of 19 degrees Fahrenheit.

The annual average precipitation at Idaho Falls is 14.21 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 2.01 Inches.

Weather Data

Normal Climate

Normal Temperatures

(IDAHO FALLS 2 ESE Weather station, 1.13 miles from Idaho Falls)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 29.7 36.6 47.6 58.7 67.9 77.8 86.0 85.8 75.1 61.4 43.0 31.3 58.4
Mean °F 21.1 26.7 36.2 45.0 53.3 61.9 68.7 67.9 58.2 46.8 33.1 22.4 45.1
Min °F 12.5 16.8 24.8 31.3 38.7 46.0 51.4 49.9 41.3 32.2 23.2 13.4 31.8

Normal Precipitation

(IDAHO FALLS 2 ESE Weather station, 1.13 miles from Idaho Falls)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 1.25 1.01 1.33 1.27 2.01 1.18 0.74 0.93 0.94 1.12 1.17 1.26 14.21