Heat as a continuous load
Sustained extreme heat is not an event, it is a service-life calculator. Roofing, sealants, HVAC and anything made of plastic age faster here than anywhere else in the state. The question a policy has to answer is whether those are replaced or depreciated when they fail, because here they will fail sooner.
Properties that sit empty half the year
A winter-visitor market means a lot of houses and park models are unoccupied for months. Vacancy provisions can restrict or exclude losses past a stated period, and unattended damage runs for longer before anyone notices. Tell your agent the pattern; it is usually accommodated and never retroactively.
The river and the irrigation network
Yuma sits in an agricultural landscape threaded with canals and managed water. Flood is excluded from every homeowners and renters form regardless of where the water came from, so proximity to any of that is worth a separate conversation about flood cover.