Winters in Pocatello are generally windy, and temperatures often dip below zero degrees Fahrenheit. Snow is common. In December, the average high temperature is 34 degrees, and the average low is 17. In January, the average high is 33, and the average low is 16. In February, the weather typically warms a bit, with an average high temperature of 39 degrees and a low of 21.
Spring in Pocatello is usually mild and windy. In March, the average high temperature is 48 degrees, with an average low of 27. In April, the average high is a much warmer 59 degrees, and the average low is 33 degrees. May is a warmer: 68 degrees for an average high, with an average low of 39.
Summers in Pocatello are warm and dry. Temperatures often climb into the 90s. June is a comfortable month, with an average high of 78 degrees and an average low of 46. July and August are Pocatello's hottest months, with an average high temperature of 87 and lows near 50.
Autumn in Pocatello is a good time for outdoor activities, with generally mild temperatures and warm evenings. In September, the average high temperature is 76 degrees, with an average low of 42. October brings an average high temperature of 62 and an average low of 33.
November often brings winter weather to Pocatello. The average high temperature is 45 degrees Fahrenheit, and the average low is 25 degrees.