Arizona Frost Dates
The median last spring freeze and first fall freeze (32°F) at 175 NOAA stations in Arizona, 1991-2020, with the growing season between them.
Every station
A median date has an even chance of a later freeze in spring or an earlier one in fall. Each town page gives the dates at 36, 32 and 28°F and every probability from 10 to 90 percent.
| Station | Elevation | Last freeze | First freeze | Season, days | Town page |
|---|---|---|---|---|---|
| Aguila | 2,165 ft | March 17 | November 19 | 247 | Aguila |
| Ajo | 1,751 ft | January 10 | December 21 | 346 | Ajo |
| Alamo Dam | 1,290 ft | March 4 | November 23 | 264 | Wenden |
| Alpine | 8,050 ft | June 15 | September 21 | 98 | Eagar |
| Anvil Rch | 2,759 ft | March 27 | November 9 | 227 | Three Points |
| Apache Junction 5 Ne | 2,070 ft | February 11 | December 10 | 303 | Apache Junction |
| Arizona City | 1,525 ft | February 28 | November 21 | 267 | Arizona City |
| Bagdad | 3,935 ft | April 7 | November 12 | 219 | Bagdad |
| Beaver Dam | 1,931 ft | March 7 | November 19 | 257 | Beaver Dam |
| Bellemont WFO | 7,152 ft | June 21 | September 17 | 88 | Parks |
| Benson 6SE | 3,690 ft | April 12 | November 1 | 203 | Saint David |
| Betatakin | 7,286 ft | May 7 | October 15 | 161 | Shonto |
| Bisbee 1WNW | 5,560 ft | April 1 | November 10 | 223 | Bisbee |
| Black Rvr Pumps | 6,065 ft | May 16 | October 13 | 150 | Sevenmile |
| Blue Ridge RS | 6,880 ft | May 31 | October 2 | 124 | Pine |
| Bouse | 925 ft | February 18 | November 28 | 284 | Bouse |
| Bowie | 3,777 ft | April 1 | November 6 | 219 | Willcox |
| Bright Angel RS | 8,000 ft | June 3 | September 27 | 116 | Grand Canyon |
| Bullhead City | 531 ft | January 4 | December 23 | 354 | Bullhead City |
| Canelo 1 Nw | 5,010 ft | April 23 | October 30 | 190 | Sonoita |
| Canyon De Chelly | 5,610 ft | May 6 | October 8 | 155 | Chinle |
| Carefree | 2,530 ft | February 4 | December 16 | 316 | Carefree |
| Casa Grande | 1,400 ft | February 5 | December 6 | 305 | Casa Grande |
| Casa Grande Nm | 1,419 ft | February 17 | November 29 | 286 | Coolidge |
| Cascabel | 3,194 ft | April 24 | October 31 | 190 | Mescal |
| Castle Hot Springs | 1,990 ft | January 15 | December 22 | 342 | Black Canyon City |
| Catalina SP | 2,707 ft | April 2 | November 11 | 223 | Oro Valley |
| Chandler Heights | 1,425 ft | February 1 | December 11 | 314 | Queen Creek |
| Childs | 2,650 ft | April 2 | November 11 | 223 | Strawberry |
| Chino Valley | 4,750 ft | April 27 | October 24 | 180 | Chino Valley |
| Chiricahua Nm | 5,300 ft | April 16 | November 8 | 206 | Willcox |
| Clifton | 3,520 ft | February 26 | November 23 | 271 | Clifton |
| Colorado City | 5,001 ft | April 26 | October 25 | 182 | Colorado City |
| Cordes | 3,771 ft | April 5 | November 17 | 226 | Spring Valley |
| Coronado Nmem | 5,242 ft | April 7 | November 9 | 216 | Miracle Valley |
| Dateland Whitewing Rch | 520 ft | January 25 | December 13 | 323 | Tacna |
| Diamond M Rch | 5,492 ft | May 17 | October 10 | 146 | Peach Springs |
| Douglas | 4,040 ft | March 18 | November 13 | 240 | Douglas |
| Douglas Bisbee Inl AP | 4,105 ft | April 11 | November 2 | 205 | Pirtleville |
| Duncan | 3,660 ft | April 24 | October 25 | 184 | Duncan |
| E Mesa | 1,518 ft | February 1 | December 10 | 313 | Apache Junction |
| Ehrenberg 2 E | 465 ft | January 4 | December 19 | 350 | Ehrenberg |
| Elgin 5 S | 4,811 ft | April 18 | November 1 | 197 | Huachuca City |
| Eloy 4 Ne | 1,545 ft | February 24 | November 28 | 278 | Eloy |
| Flagstaff 4 Sw | 7,125 ft | June 23 | September 15 | 84 | Kachina Village |
| Flagstaff Pulliam AP | 7,003 ft | June 4 | September 28 | 116 | Kachina Village |
| Florence | 1,400 ft | January 30 | December 12 | 317 | Florence |
| Fountain Hills | 1,580 ft | January 6 | December 28 | 357 | Fountain Hills |
| Ft Huachuca Pioneer Airfield | 4,768 ft | March 16 | November 21 | 250 | Huachuca City |
| Ft Thomas 2 Sw | 2,835 ft | April 1 | November 6 | 219 | Bylas |
| Ft Valley | 7,347 ft | June 11 | September 25 | 106 | Flagstaff |
| Ganado | 6,340 ft | May 15 | October 10 | 148 | Ganado |
| Gila Bend 2SE | 794 ft | January 23 | December 11 | 323 | Gila Bend |
| Globe #3 | 3,660 ft | March 11 | November 21 | 255 | Globe |
| Grand Canyon E Entrance | 7,480 ft | May 10 | October 20 | 163 | Tusayan |
| Grand Canyon Np 2 | 6,785 ft | June 1 | October 3 | 124 | Grand Canyon Village |
| Grand Canyon Np AP | 6,606 ft | June 17 | September 24 | 99 | Tusayan |
| Grand Canyon Visitor Ctr | 7,083 ft | May 2 | October 27 | 178 | Grand Canyon |
| Green Valley | 2,900 ft | February 25 | November 27 | 276 | Green Valley |
| Greer | 8,275 ft | June 5 | September 29 | 116 | Eagar |
| Happy Jack RS | 7,480 ft | June 1 | October 3 | 124 | Munds Park |
| Heber (black Mesa) RS | 6,590 ft | May 23 | October 5 | 135 | Heber-Overgaard |
| Holbrook | 5,085 ft | April 22 | October 24 | 185 | Holbrook |
| Jerome | 4,950 ft | March 26 | November 25 | 244 | Clarkdale |
| Kartchner Caverns | 4,690 ft | March 20 | November 15 | 240 | Saint David |
| Keams Canyon | 6,205 ft | May 16 | October 10 | 147 | Low Mountain |
| Kingman Mohave CO AP | 3,420 ft | April 2 | November 11 | 223 | New Kingman-Butler |
| Kitt Peak | 6,790 ft | April 26 | November 4 | 192 | Sells |
| Kofa Mine | 1,775 ft | Rare | Rare | La Paz Valley | |
| Lake Havasu City | 449 ft | Rare | Rare | Lake Havasu City | |
| Laveen 3 Sse | 1,135 ft | January 14 | December 22 | 343 | Komatke |
| Lees Ferry | 3,210 ft | March 5 | November 19 | 259 | Page |
| Litchfield Park | 1,040 ft | January 7 | December 24 | 352 | Litchfield Park |
| Lukachukai | 6,520 ft | May 3 | October 17 | 167 | Lukachukai |
| Maricopa 4 N | 1,160 ft | February 23 | November 24 | 275 | Maricopa |
| Mc Nary 2N | 7,340 ft | May 20 | October 11 | 144 | McNary |
| Mc Neal | 4,170 ft | April 6 | November 10 | 218 | Pirtleville |
| Meadview 1W | 2,938 ft | March 5 | November 28 | 268 | Meadview |
| Meteor Crater | 5,535 ft | April 30 | October 23 | 176 | LeChee |
| Miami | 3,560 ft | February 24 | December 1 | 281 | Miami |
| Montezuma Castle Nm | 3,180 ft | April 16 | October 30 | 197 | Camp Verde |
| Monument Valley | 5,501 ft | April 10 | November 1 | 205 | |
| Mormon Flat | 1,705 ft | January 29 | December 24 | 330 | Apache Junction |
| Mt Lemmon Willow Canyon | 7,027 ft | April 1 | November 19 | 232 | Tanque Verde |
| Mund's Park | 6,470 ft | June 10 | September 27 | 109 | Munds Park |
| Natural Brg | 4,608 ft | April 9 | November 10 | 215 | Pine |
| Nogales 6 N | 3,461 ft | April 16 | November 2 | 200 | Rio Rico |
| Nogales Intl AP | 3,932 ft | March 20 | November 17 | 242 | Nogales |
| Oak Creek Canyon | 5,118 ft | April 14 | November 5 | 205 | Sedona |
| Oracle 2 Se | 4,510 ft | March 23 | November 22 | 244 | Oracle |
| Oracle SP | 4,595 ft | March 29 | November 13 | 229 | Oracle |
| Organ Pipe Cactus Nm | 1,678 ft | February 4 | December 15 | 315 | Ajo |
| Page | 4,270 ft | March 27 | November 9 | 227 | Page |
| Page Muni AP | 4,310 ft | March 7 | November 15 | 253 | Page |
| Painted Desert Np | 5,760 ft | May 1 | October 20 | 172 | Holbrook |
| Painted Rock Dam | 568 ft | January 21 | December 15 | 329 | Gila Bend |
| Paradise | 5,460 ft | April 21 | October 27 | 189 | |
| Parker | 420 ft | January 12 | December 19 | 342 | Parker |
| Payson | 4,850 ft | April 29 | October 24 | 178 | Payson |
| Pearce - Sunsites | 4,350 ft | April 14 | November 2 | 202 | Tombstone |
| Petrified Forest Np | 5,446 ft | May 4 | October 16 | 165 | Holbrook |
| Phantom Rch | 2,530 ft | February 9 | December 5 | 300 | Grand Canyon |
| Phoenix Deer Valley Muni AP | 1,455 ft | January 8 | December 25 | 352 | Deer Valley |
| Phoenix Sky Harbor Intl AP | 1,107 ft | Rare | Rare | Central City | |
| Picacho 8 Se | 1,981 ft | February 6 | December 9 | 307 | Eloy |
| Pinetop 2E | 7,200 ft | May 22 | October 6 | 137 | Hondah |
| Pinnacle Peak | 2,565 ft | January 27 | December 21 | 329 | Carefree |
| Pipe Spring Nm | 4,920 ft | May 1 | October 19 | 171 | Fredonia |
| Pleasant Valley | 5,183 ft | May 6 | October 20 | 167 | Young |
| Portal 4 Sw | 5,390 ft | May 3 | October 25 | 175 | Pirtleville |
| Prescott | 5,205 ft | April 30 | October 20 | 173 | Prescott |
| Prescott Love Fld | 5,042 ft | April 20 | October 27 | 190 | Prescott Valley |
| Punkin Ctr | 2,325 ft | March 7 | November 20 | 258 | Tonto Basin |
| Quartzsite | 875 ft | January 28 | December 6 | 313 | Quartzsite |
| Robson Rch | 1,495 ft | February 7 | December 3 | 300 | Arizona City |
| Roosevelt 1 S | 2,605 ft | January 17 | December 25 | 343 | Tonto Basin |
| Safford Ag Ctr | 2,954 ft | March 25 | November 9 | 229 | Safford |
| Safford Muni AP | 3,176 ft | March 8 | November 20 | 257 | San Jose |
| Saguaro Np | 3,080 ft | January 26 | December 16 | 325 | Tanque Verde |
| Saint Johns | 5,790 ft | May 2 | October 14 | 165 | Saint Johns |
| San Carlos Reservoir | 2,532 ft | March 13 | November 19 | 251 | Peridot |
| San Manuel | 3,420 ft | February 4 | December 8 | 308 | San Manuel |
| San Simon | 3,580 ft | April 16 | November 2 | 200 | Duncan |
| Sanders | 5,853 ft | May 22 | October 8 | 139 | Sanders |
| Santa Rita Exp Range | 4,300 ft | February 25 | December 5 | 284 | Green Valley |
| Sasabe | 3,590 ft | March 21 | November 20 | 244 | Arivaca |
| Scottsdale Muni AP | 1,473 ft | January 6 | December 26 | 355 | Paradise Valley |
| Sedona | 4,220 ft | April 1 | November 17 | 230 | Sedona |
| Seligman | 5,250 ft | May 10 | October 15 | 158 | Peach Springs |
| Show Low AP | 6,411 ft | May 5 | October 15 | 163 | Show Low |
| Sierra Vista | 4,606 ft | April 5 | November 9 | 218 | Sierra Vista |
| Snowflake | 5,642 ft | May 11 | October 10 | 152 | Snowflake |
| Sonoita | 4,895 ft | March 28 | November 21 | 238 | Sonoita |
| South Phoenix | 1,155 ft | January 21 | December 16 | 330 | Central City |
| Springerville | 6,998 ft | June 1 | September 26 | 117 | Springerville |
| St Johns Industrial AP | 5,733 ft | May 3 | October 10 | 160 | Saint Johns |
| Stewart Mtn Dam | 1,422 ft | February 13 | December 5 | 296 | Apache Junction |
| Sunrise Mtn | 9,371 ft | June 18 | September 18 | 92 | Eagar |
| Sunset Crater Nm | 6,980 ft | June 16 | September 19 | 95 | Flagstaff |
| Superior | 2,860 ft | January 18 | December 28 | 345 | Superior |
| Tacna 3 Ne | 324 ft | February 13 | December 1 | 292 | Tacna |
| Teec Nos Pos | 5,290 ft | April 11 | November 1 | 204 | Teec Nos Pos |
| Tempe Asu | 1,167 ft | February 13 | December 5 | 296 | Tempe |
| Temple Bar | 1,280 ft | February 4 | December 10 | 310 | Meadview |
| Tohono Chul | 2,527 ft | February 26 | December 4 | 282 | Casas Adobes |
| Tombstone | 4,659 ft | March 4 | November 29 | 270 | Tombstone |
| Tuba City | 4,988 ft | April 16 | October 28 | 195 | Tuba City |
| Tucson 11 W | 2,733 ft | February 8 | December 10 | 306 | Tucson Estates |
| Tucson 17 Nw | 2,561 ft | February 23 | December 6 | 287 | Picture Rocks |
| Tucson Camp Ave Exp | 2,330 ft | February 20 | November 27 | 281 | Catalina Foothills |
| Tucson Intl AP | 2,549 ft | February 5 | December 9 | 308 | Drexel Heights |
| Tucson U Of A #1 | 2,315 ft | February 11 | December 2 | 295 | Flowing Wells |
| Tucson WFO | 2,435 ft | January 20 | December 17 | 332 | Tucson |
| Tumacacori Nm | 3,267 ft | April 5 | November 10 | 219 | Tubac |
| Tuzigoot | 3,470 ft | March 30 | November 10 | 225 | Clarkdale |
| Twin Arrows | 5,815 ft | April 14 | October 25 | 194 | Leupp |
| Wahweap | 3,730 ft | March 14 | November 16 | 247 | Page |
| Walnut Canyon Nm | 6,695 ft | May 13 | October 6 | 146 | Flagstaff |
| Walnut Creek | 5,090 ft | May 24 | October 7 | 136 | Paulden |
| Wickenburg | 2,095 ft | March 7 | November 20 | 258 | Wickenburg |
| Wikieup | 2,010 ft | March 19 | November 23 | 249 | Bagdad |
| Willcox | 4,170 ft | April 9 | October 31 | 205 | Willcox |
| Williams | 6,909 ft | May 22 | October 5 | 136 | Williams |
| Williams 35 Nnw | 5,990 ft | May 9 | October 19 | 163 | Valle |
| Willow Beach | 740 ft | January 7 | December 29 | 357 | |
| Window Rock AP | 6,739 ft | May 29 | September 28 | 122 | Window Rock |
| Winslow Muni AP | 4,886 ft | April 27 | October 18 | 174 | Winslow |
| Wittmann 1SE | 1,683 ft | February 5 | December 11 | 310 | Wittmann |
| Wupatki Nm | 4,908 ft | April 7 | November 3 | 210 | Cameron |
| Youngtown | 1,135 ft | January 20 | December 15 | 330 | Youngtown |
| Yucca 1 Nne | 1,950 ft | February 18 | December 2 | 288 | Walnut Creek |
| Yuma 27 Ene | 620 ft | January 11 | December 21 | 345 | Wellton |
| Yuma Mcas | 213 ft | Rare | Rare | Orange Grove Mobile Manor | |
| Yuma Proving Ground | 324 ft | January 4 | December 25 | 356 | El Prado Estates |
| Yuma Quartermaster Depot | 160 ft | January 8 | December 28 | 355 | Yuma |
Sources
NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal freeze probabilities. Public domain.