Frost dates in Maricopa County, Arizona

Layered red cliffs of the Grand Canyon at sunset from the South Rim, Arizona — Photo: Mgimelfarb, CC0, via Wikimedia Commons

The average last spring frost in Maricopa County falls Jan 5 to Mar 17 and the average first fall frost Nov 19 to Jan 3 (next year), depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 10a to 9b. Places: Aguila, Arlington, Avondale, Buckeye, Carefree, Cave Creek. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
85003	Phoenix	Jan 5	Jan 3 (next year)	10a
85004	Phoenix	Jan 5	Jan 3 (next year)	10a
85006	Phoenix	Jan 5	Jan 3 (next year)	10a
85007	Phoenix	Jan 21	Dec 16	10a
85008	Phoenix	Jan 5	Jan 3 (next year)	10a
85009	Phoenix	Jan 21	Dec 16	10a
85012	Phoenix	Jan 5	Jan 3 (next year)	10a
85013	Phoenix	Jan 5	Jan 3 (next year)	9b
85014	Phoenix	Jan 5	Jan 3 (next year)	10a
85015	Phoenix	Jan 5	Jan 3 (next year)	9b
85016	Phoenix	Jan 5	Jan 3 (next year)	10a
85017	Phoenix	Jan 5	Jan 3 (next year)	9b
85018	Phoenix	Jan 5	Jan 3 (next year)	10a
85019	Phoenix	Jan 5	Jan 3 (next year)	9b
85020	Phoenix	Jan 8	Dec 25	10a
85021	Phoenix	Jan 8	Dec 25	9b
85022	Phoenix	Jan 8	Dec 25	9b
85023	Phoenix	Jan 8	Dec 25	9b
85024	Phoenix	Jan 8	Dec 25	10a
85026	Phoenix	Jan 5	Jan 3 (next year)	10a
85027	Phoenix	Jan 8	Dec 25	10a
85028	Phoenix	Jan 6	Dec 26	10a
85029	Phoenix	Jan 8	Dec 25	9b
85031	Phoenix	Jan 21	Dec 16	9b
85032	Phoenix	Jan 6	Dec 26	9b
85033	Phoenix	Jan 7	Dec 24	9b
85034	Phoenix	Jan 5	Jan 3 (next year)	10a
85035	Phoenix	Jan 21	Dec 16	9b
85037	Phoenix	Jan 7	Dec 24	9b
85040	Phoenix	Jan 5	Jan 3 (next year)	10a
85041	Phoenix	Jan 21	Dec 16	10a
85042	Phoenix	Jan 21	Dec 16	10a
85043	Phoenix	Jan 14	Dec 22	9b
85044	Phoenix	Jan 21	Dec 16	10a
85045	Phoenix	Jan 14	Dec 22	10a
85048	Phoenix	Jan 21	Dec 16	9b
85050	Phoenix	Jan 8	Dec 25	10a
85051	Phoenix	Jan 8	Dec 25	9b
85053	Phoenix	Jan 8	Dec 25	9b
85054	Phoenix	Jan 6	Dec 26	9b
85083	Phoenix	Jan 8	Dec 25	9b
85085	Phoenix	Jan 8	Dec 25	9b
85086	Phoenix	Jan 8	Dec 25	9b
85087	New River	Jan 15	Dec 22	9b
85201	Mesa	Feb 13	Dec 5	9b
85202	Mesa	Feb 13	Dec 5	10a
85203	Mesa	Feb 13	Dec 5	9b
85204	Mesa	Feb 13	Dec 5	9b
85205	Mesa	Feb 1	Dec 10	9b
85206	Mesa	Feb 1	Dec 10	9b
85207	Mesa	Feb 1	Dec 10	9b
85208	Mesa	Feb 1	Dec 10	9b
85209	Mesa	Feb 1	Dec 10	9b
85210	Mesa	Feb 13	Dec 5	10a
85212	Mesa	Feb 1	Dec 10	9b
85213	Mesa	Feb 1	Dec 10	9b
85215	Mesa	Feb 13	Dec 5	9b
85224	Chandler	Feb 13	Dec 5	9b
85225	Chandler	Feb 13	Dec 5	9b
85226	Chandler	Feb 13	Dec 5	9b
85233	Gilbert	Feb 13	Dec 5	9b
85234	Gilbert	Feb 1	Dec 10	9b
85236	Gilbert	Feb 1	Dec 10	9b
85248	Chandler	Feb 1	Dec 11	9b
85249	Chandler	Feb 1	Dec 11	9b
85250	Scottsdale	Jan 6	Dec 26	9b
85251	Scottsdale	Feb 13	Dec 5	9b
85253	Paradise Valley	Jan 6	Dec 26	10a
85254	Phoenix	Jan 6	Dec 26	10a
85255	Scottsdale	Jan 27	Dec 21	10a
85256		Feb 13	Dec 5	9b
85257	Scottsdale	Feb 13	Dec 5	9b
85258	Scottsdale	Jan 6	Dec 26	10a
85259	Scottsdale	Jan 6	Dec 28	10a
85260	Scottsdale	Jan 6	Dec 26	10a
85262	Scottsdale	Feb 4	Dec 16	9b
85263	Rio Verde	Mar 7	Nov 20	9b
85264		Feb 13	Dec 5	9b
85266	Scottsdale	Feb 4	Dec 16	10a
85268	Fountain Hills	Jan 6	Dec 28	9b
85281	Tempe	Feb 13	Dec 5	9b
85282	Tempe	Feb 13	Dec 5	10a
85283	Tempe	Feb 13	Dec 5	9b
85284	Tempe	Feb 13	Dec 5	9b
85286	Chandler	Feb 1	Dec 11	9b
85295	Gilbert	Feb 1	Dec 11	9b
85296	Gilbert	Feb 1	Dec 10	9b
85297	Gilbert	Feb 1	Dec 11	9b
85298	Gilbert	Feb 1	Dec 11	9b
85301	Glendale	Jan 20	Dec 15	9b
85302	Glendale	Jan 20	Dec 15	9b
85303	Glendale	Jan 20	Dec 15	9b
85304	Glendale	Jan 20	Dec 15	9b
85305	Glendale	Jan 20	Dec 15	9b
85306	Glendale	Jan 8	Dec 25	9b
85307	Glendale	Jan 7	Dec 24	9b
85308	Glendale	Jan 8	Dec 25	9b
85309	Glendale	Jan 7	Dec 24	9b
85310	Phoenix	Jan 8	Dec 25	10a
85320	Aguila	Mar 17	Nov 19	9a
85322	Arlington	Jan 21	Dec 15	9b
85323	Avondale	Jan 7	Dec 24	9b
85326	Buckeye	Jan 23	Dec 11	9b
85329	Avondale	Jan 7	Dec 24	9b
85331	Cave Creek	Feb 4	Dec 16	9b
85333	Dateland	Jan 25	Dec 13	9b
85335	El Mirage	Jan 20	Dec 15	9b
85337	Gila Bend	Jan 23	Dec 11	9b
85338	Goodyear	Jan 7	Dec 24	9b
85339	Phoenix	Jan 14	Dec 22	9b
85340	Buckeye	Jan 7	Dec 24	9b
85343	Buckeye	Jan 7	Dec 24	9b
85345	Peoria	Jan 20	Dec 15	9b
85351	Sun City	Jan 20	Dec 15	9b
85353	Phoenix	Jan 7	Dec 24	9b
85354	Tonopah	Jan 21	Dec 15	9b
85355	Citrus Park	Jan 7	Dec 24	9b
85361	Surprise	Feb 5	Dec 11	9b
85363	Youngtown	Jan 20	Dec 15	9b
85373	Sun City	Jan 20	Dec 15	9b
85374	Surprise	Jan 20	Dec 15	9b
85375	Sun City West	Jan 20	Dec 15	9b
85377	Carefree	Feb 4	Dec 16	9b
85378	Surprise	Jan 20	Dec 15	9b
85379	Surprise	Jan 20	Dec 15	9b
85381	Peoria	Jan 20	Dec 15	9b
85382	Peoria	Jan 20	Dec 15	9b
85383	Peoria	Feb 5	Dec 11	9b
85387	Surprise	Feb 5	Dec 11	9b
85388	Surprise	Jan 20	Dec 15	9b
85390	Wickenburg	Mar 7	Nov 20	9a
85392	Avondale	Jan 7	Dec 24	9b
85395	Goodyear	Jan 7	Dec 24	9b
85396	Buckeye	Feb 5	Dec 11	9b
85545	Roosevelt Estates	Jan 17	Dec 25	9b

Nearby counties

Pinal County Gila County Yavapai County Pima County La Paz County Graham County

All Arizona counties · Download Arizona frost dates (CSV)

Never miss a frost: get The Dial

Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.

Freeze alerts
Soil-temp heads-up
Weekly yard to-dos

Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.