Summers in the state are generally hot and humid, with most of the state averaging a high of around 90 °F (32 °C) during the summer months. Winters tend to be mild to cool, increasing in coolness at higher elevations. Generally, for areas outside the highest mountains, the average overnight lows are near freezing for most of the state. The highest recorded temperature is 113 °F (45 °C) at Perryville on August 9, 1930 while the lowest recorded temperature is −32 °F (−36 °C) at Mountain City on December 30, 1917.

What is Tennessee's average high temperature in degree Celsius during the summer?