Weather By Day

August Weather In Missoula  
August Missoula Weather
Record High: 105°F
Normal High: 83°F
Normal Low: 49°F
Record Low: 30°F
Avg Monthly Rain: 1.15"
Rec 1 Day Rain: 1.13"

Missoula Weather In August

The record high August temperature in Missoula Montana for the last 66 years was 105 degrees Fahrenheit, most recently registered on August 5, 1961, and the regular high is 83. The lowest reported temperature in August for Missoula for the past 66 years was 30 registered on August 25, 1992, while the standard low daily temperature for the month is 49.

US National Weather Service Missoula August Weather data records that on August 23, 1992, the high temperature did not exceed 49 degrees Fahrenheit, the lowest high measured in Missoula in the past 66 years. Weather Service records additionally show that on August 4, 1994, the recorded low temperature for the day did not drop below 67 degrees, the highest low measured in Missoula in the last 66 years.

NWS data indicates that the daily high temperature in Missoula on August First averages 87 degrees Fahrenheit and the high on the last day of August averages 77 degrees. The daily low temperature in Missoula on August First averages 52 degrees Fahrenheit and the low on the last day of August averages 45 degrees.

Missoula usually receives an average of 1.15 inches of precipitation during the month. August Missoula Weather records indicate that on August 11, 1990 Missoula received 1.13 inches of precipitation, the highest amount of rain recorded in a single day in August.