Sump Pump Test in Arizona
In Arizona, local sump pump deadlines run from Jan 4 to Jun 4, with a median around Feb 5 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.
Notable cities
- Bullhead City — earliest deadline in the state
- Flagstaff — latest deadline in the state
- Casa Grande — near the state median
All Arizona cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| Bullhead City | Jan 4 | Dec 25 | View → | Checklist |
| Phoenix | Jan 5 | — | View → | Checklist |
| Lake Havasu City | Jan 5 | — | View → | Checklist |
| Avondale | Jan 7 | Jan 4 | View → | Checklist |
| Goodyear | Jan 7 | Jan 4 | View → | Checklist |
| Buckeye | Jan 7 | Jan 4 | View → | Checklist |
| Yuma | Jan 8 | Dec 31 | View → | Checklist |
| Tucson | Jan 20 | Dec 30 | View → | Checklist |
| Glendale | Jan 20 | Dec 29 | View → | Checklist |
| Peoria | Jan 20 | Dec 29 | View → | Checklist |
| Surprise | Jan 20 | Dec 29 | View → | Checklist |
| Casa Grande | Feb 5 | Dec 22 | View → | Checklist |
| Apache Junction | Feb 11 | Dec 22 | View → | Checklist |
| Mesa | Feb 13 | Dec 19 | View → | Checklist |
| Scottsdale | Feb 13 | Dec 19 | View → | Checklist |
| Tempe | Feb 13 | Dec 19 | View → | Checklist |
| Maricopa | Feb 23 | Dec 6 | View → | Checklist |
| Marana | Feb 23 | Dec 19 | View → | Checklist |
| Oro Valley | Apr 2 | Nov 21 | View → | Checklist |
| Sierra Vista | Apr 5 | Nov 21 | View → | Checklist |
| Prescott Valley | Apr 20 | Nov 8 | View → | Checklist |
| Prescott | Apr 30 | Oct 31 | View → | Checklist |
| Flagstaff | Jun 4 | Oct 9 | View → | Checklist |
Back to the national Sump Pump Test guide, or see the methodology.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.