April in Mesa averages a daily high of 30.1°C with nights around 11.7°C. Rain is rare — about 1.3 wet days and 5.6mm across the month. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Mesa is November–March.
Based on TEMPE ASU, AZ US (9.2km), 1995–2024. 20 years of April data.