March in Deer Valley averages a daily high of 24°C with nights around 10.2°C. Expect roughly 3.2 wet days totalling 21.3mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Deer Valley is January–April.
Based on PHOENIX DEER VALLEY MUNICIPAL AIRPORT, AZ US (6.4km), 1995–2024. 26 years of March data.