Average Monthly Temperatures for Each State in Summer

The average temperatures during summer for every state in the US are listed below. The tables provide state-wide temperatures for each summer month, June, July and August, plus an average for the entire season. The states are also ranked from the hottest state in summer at number 1 to the coldest state at number 50.

Average summer temperatures range from a high of 81.1 degrees Fahrenheit (27.3 degrees Celsius) in Louisiana and Texas to a low of 52.3 °F (11.3 °C) in Alaska. For the entire United States, excluding Hawaii and Alaska, the season averages 71.9 °F (22.2 °C).

The temperatures are based on data collected by weather stations throughout each state during the years 1971 to 2000 and made available by the NOAA National Climatic Data Center of the United States.