The 2025 Phoenix Monsoon Report.
A data study of every NOAA-verified hail and damaging-wind event across metro Phoenix and Maricopa County during the 2025 monsoon season.
Executive summary
NOAA recorded 130 severe-weather events across Maricopa County in the 2025 monsoon season — up 38% from 2024. That included 38 hail events (largest: 2") and 21 damaging straight-line wind events (peak: 78 mph). The most-hit city on the NOAA record was MARICOPA.
+38% vs. 2024
94 events in 2024, 130 in 2025.
Events by month · 2025
Monsoon season peaks July–September. Non-monsoon months are typically quiet.
Hail size distribution
1" and larger hail is generally sufficient to damage asphalt shingles and dent metal.
Wind speed distribution
NOAA classifies winds ≥ 58 mph as damaging. Above 74 mph is hurricane-force.
Most-hit cities · 2025
| City | Events |
|---|---|
| MARICOPA | 87 |
| Phoenix | 23 |
| PINAL | 15 |
| Maricopa | 4 |
| Gila | 1 |
Methodology
Source: NOAA National Weather Service Storm Events Database, filtered to Arizona, Maricopa County. Events are self-reported by weather spotters, law-enforcement, news outlets, and NWS-verified spotters — so counts represent reported events, not every event that occurred.
Hail and wind measurements are taken as reported. Hail size is measured in inches of stone diameter; wind speed is peak measured or estimated straight-line speed at the reported location.
Year-over-year comparisons use the same NOAA feed for both years — the delta measures reported events, not necessarily occurred severity.
This report is published free by RoofTap. Cite as: "RoofTap, 2025 Phoenix Monsoon Report, rooftap.app/homeowner/phoenix-az/monsoon-report/2025."
Free: The 2026 Phoenix Pre-Monsoon Roof Checklist
18 actions across the season — most take under 5 minutes, none require a ladder.
Free 2025 Phoenix Monsoon Report PDF
Download the full report as a shareable PDF — chart pages, methodology, and citation-ready.