Best time to visit Phoenix – Lonely Planet

So when is the best time to visit Phoenix? Winter is high season in Phoenix, with plenty of so-called “snowbirds” in the US and from Canada seeking out the Valley of Sun’s warmer environs. Hotel rates are often at their highest. Spring and fall are equally appealing, with balmy weather, complemented by crisper mornings and evenings.

https://www.lonelyplanet.com/articles/best-time-to-visit-phoenix