Arizona Monsoon Season 2025. Summer rains typically start in late june to early july, when a zone of high atmospheric pressure. While rain is not the only ingredient that determines drought, it would be.
Summer 2025 ended as the hottest on record in phoenix, and now the 2025 monsoon season will end as the driest. Ramirez believes flooding brings nails, tree branches and other debris into the road that can puncture tires, noting that potholes are major culprits too.