Austin
June
Average high: 91°F; average low: 71°F
July
Average high: 95°F; average low: 73°F
August
Average high: 96°F; average low: 73°F
Boston
June
Average high: 77°F; average low: 59°F
July
Average high: 82°F; average low: 65°F
August
Average high: 80°F; average low: 64°F
Charlotte
June
Average high: 80°F; average low: 66°F
July
Average high: 84°F; average low: 71°F
August
Average high: 88°F; average low: 69°F
Chicago
June
Average high: 87°F; average low: 61°F
July
Average high: 90°F; average low: 66°F
August
Average high: 83°F; average low: 65°F
Columbus
June
Average high: 82°F; average low: 60°F
July
Average high: 86°F; average low: 64°F
August
Average high: 84°F; average low: 62°F
Dallas
June
Average high: 92°F; average low: 73°F
July
Average high: 96°F; average low: 77°F
August
Average high: 96°F; average low: 76°F
Denver
June
Average high: 83°F; average low: 49°F
July
Average high: 88°F; average low: 55°F
August
Average high: 86°F; average low: 52°F
Honolulu
June
Average high: 87°F; average low: 72°F
July
Average high: 88°F; average low: 74°F
August
Average high: 89°F; average low: 75°F
Kansas City
June
Average high: 86°F; average low: 67°F
July
Average high: 90°F; average low: 72°F
August
Average high: 89°F; average low: 70°F
Las Vegas
June
Average high: 102°F; average low: 62°F
July
Average high: 108°F; average low: 68°F
August
Average high: 105°F; average low: 67°F
Los Angeles
June
Average high: 80°F; average low: 61°F
July
Average high: 84°F; average low: 65°F
August
Average high: 85°F; average low: 66°F
Miami
June
Average high: 90°F; average low: 75°F
July
Average high: 91°F; average low: 77°F
August
Average high: 91°F; average low: 76°F
Nashville
June
Average high: 85°F; average low: 65°F
July
Average high: 89°F; average low: 70°F
August
Average high: 88°F; average low: 68°F
New York
June
Average high: 77°F; average low: 63°F
July
Average high: 83°F; average low: 68°F
August
Average high: 81°F; average low: 66°F
Philadelphia
June
Average high: 81°F; average low: 64°F
July
Average high: 86°F; average low: 70°F
August
Average high: 84°F; average low: 69°F
Phoenix
June
Average high: 102°F; average low: 75°F
July
Average high: 104°F; average low: 81°F
August
Average high: 102°F; average low: 80°F
Portland
June
Average high: 73°F; average low: 53°F
July
Average high: 79°F; average low: 57°F
August
Average high: 79°F; average low: 58°F
Salt Lake City
June
Average high: 82°F; average low: 60°F
July
Average high: 89°F; average low: 67°F
August
Average high: 88°F; average low: 66°F
San Francisco
June
Average high: 68°F; average low: 53°F
July
Average high: 68°F; average low: 54°F
August
Average high: 69°F; average low: 56°F
Seattle
June
Average high: 70°F; average low: 53°F
July
Average high: 75°F; average low: 56°F
August
Average high: 75°F; average low: 57°F
Tampa
June
Average high: 89°F; average low: 74°F
July
Average high: 90°F; average low: 75°F
August
Average high: 90°F; average low: 75°F
Twin Cities
June
Average high: 79°F; average low: 58°F
July
Average high: 83°F; average low: 63°F
August
Average high: 80°F; average low: 61°F
Washington, DC
June
Average high: 84°F; average low: 65°F
July
Average high: 88°F; average low: 70°F
August
Average high: 86°F; average low: 69°F
Source: The Weather Channel
