The weather in Mesa, Arizona can be described as warm and dry year round.  However, during a few months in the middle of summer, the temperatures are almost too hot for going outdoors. 

            On average, the hottest months of the year are July and August, during which time the daily high temperatures will generally reach well into the 100’s.  Many people in the area begin their days very early in the morning, before the temperatures reach the unbearable.  The nighttime temperatures during these months will generally drop to the mid 70’s. 

            The coldest months of the year on average are December and January, during which time the daily high temperatures will reach the upper 60’s and lower 70’s.  The nighttime temperatures during these months will generally drop to the low 40’s.  This is a great time to visit, and many people from around the country do to escape the cold weather further north.

            Although rain is not frequent in Mesa (the average yearly total is less than 10 inches), the wettest month on average is August.  The months of April, May and June will barely ever see rain. 

            For more weather information about Mesa, check out this Ten Day Forecast , and this Monthly Weather Averages page.