Arizona Calculated Average and Minimum USDA Hardiness Zones
| County | Weather Station | Elev. (feet) | Average Annual Minimum Temperature (°F) | Absolute Minimum (°F) | Average and Minimum Hardiness Zones | Years of Data |
|---|---|---|---|---|---|---|
| Apache | Baldy | 9125 | -5.8 | -20.2 | Zones 6a, 4b | 30 |
| Apache | Canyon De Chelly | 5610 | 1.4 | -14.8 | Zones 7a, 5b | 30 |
| Apache | Coronado Trai | 8400 | -2.2 | -18.4 | Zones 6b, 5a | 30 |
| Apache | Greer Arizona | 8200 | -5.8 | -20.2 | Zones 6a, 4b | 28 |
| Apache | Lukachukai | 6520 | 1.4 | -18.4 | Zones 7a, 5a | 19 |
| Apache | Mc Nary 2N | 7340 | 1.4 | -13 | Zones 7a, 5b | 30 |
| Apache | Saint Johns | 5790 | -0.4 | -25.6 | Zones 6b, 4a | 29 |
| Apache | Sanders | 5853 | -2.2 | -16.6 | Zones 6b, 5a | 30 |
| Apache | Springerville | 6998 | -7.6 | -25.6 | Zones 6a, 4a | 30 |
| Apache | Teec Nos Pos | 5290 | 5 | -11.2 | Zones 7a, 5b | 30 |
| Apache | Window Rock AP | 6739 | -9.4 | -25.6 | Zones 6a, 4a | 24 |
| Coconino | Baker Butte | 7300 | 10.4 | -9.4 | Zones 8a, 6a | 30 |
| Coconino | Buckskin Mountain Arizona | 6400 | -2.2 | -11.2 | Zones 6b, 5b | 26 |
| Coconino | Flagstaff Arizona | 7000 | -7.6 | -27.4 | Zones 6a, 4a | 26 |
| Coconino | Four Springs Arizona | 6560 | 6.8 | -2.2 | Zones 7b, 6b | 26 |
| Coconino | Frazier Wells Arizona | 6770 | 8.6 | 1.4 | Zones 7b, 7a | 21 |
| Coconino | FT Valley | 7347 | -11.2 | -29.2 | Zones 5b, 4a | 28 |
| Coconino | Grand Canyon NP 2 | 6785 | -2.2 | -20.2 | Zones 6b, 4b | 23 |
| Coconino | Grand Canyon NP AP | 6606 | -13 | -29.2 | Zones 5b, 4a | 24 |
| Coconino | Gunsight Arizona | 5280 | 10.4 | -0.4 | Zones 8a, 6b | 26 |
| Coconino | Lees Ferry | 3210 | 17.6 | 8.6 | Zones 8b, 7b | 20 |
| Coconino | Mormon Mountain | 7500 | -5.8 | -14.8 | Zones 6a, 5b | 30 |
| Coconino | Munds Park | 6470 | -7.6 | -27.4 | Zones 6a, 4a | 24 |
| Coconino | Oak Creek Arizona | 4924 | 15.8 | 5 | Zones 8b, 7b | 28 |
| Coconino | Page | 4270 | 15.8 | 1.4 | Zones 8b, 7a | 23 |
| Coconino | Paria Point Arizona | 7235 | 5 | -5.8 | Zones 7a, 6a | 25 |
| Coconino | Phantom Ranch | 2530 | 26.6 | 21.2 | Zones 9b, 9a | 30 |
| Coconino | Promontory | 7930 | 6.8 | -7.6 | Zones 7b, 6a | 30 |
| Coconino | Sunset Crater NM | 6980 | -9.4 | -25.6 | Zones 6a, 4a | 30 |
| Coconino | Tusayan | 6700 | -11.2 | -32.8 | Zones 5b, 3b | 30 |
| Coconino | Wahweap | 3730 | 15.8 | 3.2 | Zones 8b, 7a | 23 |
| Coconino | Warm Springs Canyon Arizona | 8010 | 1.4 | -7.6 | Zones 7a, 6a | 25 |
| Coconino | White Horse Lake | 7180 | 3.2 | -14.8 | Zones 7a, 5b | 30 |
| Coconino | Williams | 6909 | 1.4 | -11.2 | Zones 7a, 5b | 30 |
| Coconino | Wupatki NM | 4908 | 10.4 | -5.8 | Zones 8a, 6a | 30 |
| Mohave | Black Rock Arizona | 7080 | 6.8 | -2.2 | Zones 7b, 6b | 28 |
| Mohave | Bullhead City | 531 | 30.2 | 23 | Zones 10a, 9a | 30 |
| Mohave | Diamond M Rch | 5492 | 3.2 | -9.4 | Zones 7a, 6a | 22 |
| Mohave | Havasu Arizona | 475 | 14 | 6.8 | Zones 8a, 7b | 26 |
| Mohave | Hurricane Arizona | 5446 | 10.4 | 1.4 | Zones 8a, 7a | 26 |
| Mohave | Kingman Mohave | 3420 | 15.8 | 8.6 | Zones 8b, 7b | 24 |
| Mohave | Moss Basin Arizona | 5920 | 12.2 | 1.4 | Zones 8a, 7a | 28 |
| Mohave | Mount Logan Arizona | 7200 | 5 | -14.8 | Zones 7a, 5b | 30 |
| Mohave | Music Mountain Arizona | 5420 | 14 | 1.4 | Zones 8a, 7a | 24 |
| Mohave | Nixon Flats Arizona | 6500 | -0.4 | -11.2 | Zones 6b, 5b | 28 |
| Mohave | Olaf Knolls Arizona | 2900 | 24.8 | 6.8 | Zones 9a, 7b | 30 |
| Mohave | Pipe Springs Natl. Monu. | 4920 | 3.2 | -13 | Zones 7a, 5b | 30 |
| Mohave | Tweeds Point Arizona | 5200 | 15.8 | -2.2 | Zones 8b, 6b | 30 |
| Mohave | Union Pass Arizona | 3520 | 26.6 | 19.4 | Zones 9b, 8b | 26 |
| Mohave | Yellow John Mtn Arizona | 6160 | -13 | -34.6 | Zones 8b, 3b | 30 |
| Navajo | Betatakin | 7286 | 1.4 | -14.8 | Zones 7a, 5b | 30 |
| Navajo | Keams Canyon | 6205 | -2.2 | -29.2 | Zones 6b, 4a | 23 |
| Navajo | Lakeside Arizona | 7000 | -4 | -20.2 | Zones 6b, 4b | 30 |
| Navajo | Limestone Canyon Arizona | 6800 | 8.6 | -7.6 | Zones 7b, 6a | 30 |
| Navajo | Monument Valley | 5501 | 10.4 | -9.4 | Zones 8a, 6a | 21 |
| Navajo | Petrified Forest NP | 5446 | 1.4 | -23.8 | Zones 7a, 4b | 30 |
| Navajo | Show Low AP | 6411 | 1.4 | -22 | Zones 7a, 4b | 30 |
| Navajo | Snowflake | 5642 | 1.4 | -20.2 | Zones 7a, 4b | 27 |
| Navajo | Winslow Muni AP | 4886 | 3.2 | -11.2 | Zones 7a, 5b | 30 |
| Yavapai | Bagdad | 3935 | 19.4 | 8.6 | Zones 8b, 7b | 30 |
| Yavapai | Castle Hot Springs | 1990 | 28.4 | 21.2 | Zones 9b, 9a | 29 |
| Yavapai | Chino Valley | 4750 | 10.4 | -9.4 | Zones 8a, 6a | 30 |
| Yavapai | Cordes | 3771 | 19.4 | 8.6 | Zones 8b, 7b | 30 |
| Yavapai | Crown King Arizona | 5900 | 19.4 | 3.2 | Zones 8b, 7a | 25 |
| Yavapai | Goodwin Mesa Arizona | 4200 | 19.4 | 8.6 | Zones 8b, 7b | 30 |
| Yavapai | Humbug Creek Arizona | 5250 | 21.2 | 10.4 | Zones 9a, 8a | 30 |
| Yavapai | Iron Springs | 5920 | 8.6 | -11.2 | Zones 7b, 5b | 26 |
| Yavapai | Jerome | 4950 | 19.4 | 8.6 | Zones 8b, 7b | 30 |
| Yavapai | Montezuma Castle NM | 3180 | 14 | 3.2 | Zones 8a, 7a | 30 |
| Yavapai | Prescott Love Fld | 5042 | 10.4 | -9.4 | Zones 8a, 6a | 30 |
| Yavapai | Prescott | 5205 | 8.6 | -7.6 | Zones 7b, 6a | 30 |
| Yavapai | Seligman | 5250 | 3.2 | -11.2 | Zones 7a, 5b | 30 |
| Yavapai | Stanton Arizona | 3600 | 26.6 | 15.8 | Zones 9b, 8b | 30 |
| Yavapai | Sunset Point Arizona | 2960 | 24.8 | 17.6 | Zones 9a, 8b | 26 |
| Yavapai | Tuzigoot | 3470 | 17.6 | 6.8 | Zones 8b, 7b | 30 |
| Yavapai | Verde Arizona | 3100 | 15.8 | 8.6 | Zones 8b, 7b | 27 |
| Yavapai | Walnut Creek | 5090 | 3.2 | -11.2 | Zones 7a, 5b | 30 |