Average Monthly Temperatures for Each State in Summer

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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.

Average temperature for each state during summer.
Summer Average Rank State JunJulAug
° F ° C     °F °F °F
78.625.9 8 Alabama 778079
52.311.3 50 Alaska 505552
78.125.6 10 Arizona 768079
78.826.0 6 Arkansas 768179
73.423.0 17 California 707575
65.218.4 42 Colorado 626866
69.220.7 31 Connecticut 667270
74.223.4 16 Delaware 727775
81.027.2 3 Florida 808282
78.725.9 7 Georgia 778079
72.222.3 22 Hawaii 717273
63.717.6 46 Idaho 596665
73.423.0 17 Illinois 727573
72.422.4 21 Indiana 717472
71.622.0 25 Iowa 707471
76.424.7 11 Kansas 737977
74.523.6 15 Kentucky 727675
81.127.3 1 Louisiana 808282
63.717.6 46 Maine 616664
73.322.9 19 Maryland 717574
68.020.0 35 Massachusetts 657069
66.219.0 40 Michigan 646867
66.819.3 36 Minnesota 656967
79.526.4 5 Mississippi 788180
75.424.1 14 Missouri 737876
Summer Average Rank State JunJulAug
° F ° C     °F °F °F
64.217.9 44 Montana616666
71.822.1 24 Nebraska 697472
69.020.6 32 Nevada 657270
65.518.6 41New Hampshire 636866
72.222.3 22 New Jersey 697573
71.421.9 26 New Mexico 707371
66.519.2 39 New York 646967
75.724.3 12 North Carolina 747876
66.619.2 38North Dakota 646967
70.921.6 27Ohio 697371
79.626.4 4Oklahoma 778281
63.717.6 46Oregon 606666
68.620.3 34Pennsylvania 667169
68.820.4 33Rhode Island 657170
78.425.8 9South Carolina 768079
69.921.1 29South Dakota 677371
75.624.2 13 Tennessee 747776
81.127.3 1 Texas 798281
69.620.9 30Utah 667371
65.118.4 43Vermont 636765
73.222.9 20Virginia 717574
63.817.7 45Washington 606666
70.221.2 28West Virginia 687271
66.819.3 36 Wisconsin 656967
63.517.5 49 Wyoming 606665
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