Weather By Day

August Casper Weather 
August Casper Weather
Record High: 102°F
Normal High: 85°F
Normal Low: 52°F
Record Low: 33°F
Avg Monthly Rain: 0.73"
Rec 1 Day Rain: 2.21"

Casper Weather In August

The hottest day in Casper Wyoming in August for the past 60 years was 102 degrees Fahrenheit, most recently encountered on August 5, 1979, while the normal high temperature is 85. The coldest day reported in Casper in August for the past 60 years was 33 registered on August 31, 1977, while the mean low daily temperature during the month is 52.

United States National Weather Service historical Casper August Weather data shows that on August 8, 1960, the high temperature did not exceed 52 degrees Fahrenheit, the lowest high measured in Casper in the past 60 years. The Weather Service additionally indicates that on August 1, 1964, the low for the day did not drop below 71 degrees, the highest low recorded in Casper in the last 60 years.

According to the National Weather Service, the high temperature in Casper in August on the first day of the month averages 88 degrees and the high on the last day of the month averages 82 degrees. The low recorded temperature in Casper on August First averages 55 degrees Fahrenheit and the low temperature on the final day of August averages 49 degrees.

Casper typically receives an average of 0.73 inches of precipitation during the month. The most rain recorded in a single day, as shown by August Casper Weather data, was 2.21 inches on August 2, 2007.