Identify the Month with Highest Temperature

The following line graph illustrates the average temperature in degrees Fahrenheit in a city over the course of a year.

Months: January, February, March, April, May, June, July, August, September, October, November, December.

The average temperatures are as follows:

• January: 30°F
• February: 32°F
• March: 45°F
• April: 55°F
• May: 65°F
• June: 75°F
• July: 80°F
• August: 78°F
• September: 70°F
• October: 60°F
• November: 40°F
• December: 32°F

Which month has the highest average temperature?