Context: Use the graph to answer the question below.
Which statement is true about the average monthly temperature in Riyadh?
A. June, July, and August are hotter than the other months of the year.
B. Each month of the year has about the same monthly temperature.
C. June, July, and August are colder than the other months of the year.
Select the correct answer from the provided options and reply with the letter associated with it.

A