what's the temperature in mesa az
weather Warm, sunny days and a cool, desert evening breeze provide the perfect climate for an enjoyable getaway to Mesa any time of the year. Low humidity, dry, clean air, and an average temperature of 86 degrees make Mesa's climate attractive to travelers from all over the country. Visitors to Mesa should always be prepared for lots of sunshine. A hat, sunscreen, and access to water are recommended to anyone who will be outside enjoying the Arizona sun.