USA weather in August is very warm and you’ll need to pack a few extra bottles of sunscreen to help deal with the sun. The climate is even hotter in places like Las Vegas and Phoenix, where temperatures can reach the high thirties at peak times of the day.
The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the NOAA National Climatic Data Center of the United States.
Temperature Map
Average August Temperatures for US Cities
| High °F | Low °F | City | High °C | Low °C |
| 88 | 71 | Atlanta, Georgia | 31 | 22 |
| 97 | 75 | Austin, Texas | 36 | 24 |
| 85 | 65 | Baltimore, Maryland | 30 | 18 |
| 91 | 71 | Birmingham, Alabama | 33 | 22 |
| 80 | 65 | Boston, Massachusetts | 26 | 18 |
| 78 | 61 | Buffalo, New York | 26 | 16 |
| 88 | 67 | Charlotte, North Carolina | 31 | 20 |
| 82 | 63 | Chicago, Illinois | 28 | 17 |
| 86 | 63 | Cincinnati, Ohio | 30 | 17 |
| 81 | 63 | Cleveland, Ohio | 27 | 17 |
| 84 | 64 | Columbus, Ohio | 29 | 18 |
| 96 | 77 | Dallas, Texas | 36 | 25 |
| 86 | 57 | Denver, Colorado | 30 | 14 |
| 81 | 63 | Detroit, Michigan | 27 | 17 |
| 83 | 61 | Hartford, Connecticut | 28 | 16 |
| 95 | 75 | Houston, Texas | 35 | 24 |