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Utah frost dates by weather station
Utah has 174 NOAA weather stations with 1991–2020 freeze statistics. Median last spring frost dates run from Mar 9 at Hite Ranger Station to Jun 21 at Brian Head.
- 174Stations
- Mar 9Earliest last frostHite Ranger Station
- Jun 21Latest last frostBrian Head
- 253 daysLongest growing seasonHite Ranger Station
| Station | Last spring frost | First fall frost | Growing season | Elevation |
|---|---|---|---|---|
| Alpine | May 3 | Oct 12 | 159 days | 5,100 ft |
| Alta | Jun 11 | Sep 18 | 98 days | 8,710 ft |
| Altamont | May 31 | Sep 23 | 112 days | 6,456 ft |
| Alton | Jun 1 | Sep 30 | 120 days | 7,098 ft |
| Angle | Jun 17 | Sep 12 | 85 days | 6,410 ft |
| Arches National Park Hqs | Apr 2 | Oct 30 | 207 days | 4,093 ft |
| Bear Lake State Park | May 15 | Oct 4 | 140 days | 5,928 ft |
| Beaver Canyon Power House | Jun 1 | Sep 28 | 120 days | 7,275 ft |
| Big Water | Apr 8 | Nov 1 | 204 days | 4,100 ft |
| Black Rock | May 23 | Sep 27 | 124 days | 4,916 ft |
| Blanding | Apr 28 | Oct 21 | 174 days | 6,032 ft |
| Blowhard Mountain Radar | Jun 7 | Sep 29 | 110 days | 10,694 ft |
| Bluff | Apr 24 | Oct 13 | 172 days | 4,319 ft |
| Boulder | May 4 | Oct 14 | 160 days | 6,650 ft |
| Bountiful Bench | Apr 25 | Oct 24 | 181 days | 4,950 ft |
| Bountiful-Val Verda | Apr 24 | Oct 19 | 178 days | 4,540 ft |
| Brian Head | Jun 21 | Sep 12 | 82 days | 9,770 ft |
| Brigham City 28 WNW | May 12 | Oct 5 | 144 days | 4,951 ft |
| Brigham City Waste Plant | May 5 | Oct 5 | 150 days | 4,240 ft |
| Bryce Canyon Airport | any month | any month | 80 days | 7,586 ft |
| Bryce Canyon National Park Hqrs | May 23 | Sep 27 | 125 days | 7,890 ft |
| Bullfrog Basin | Mar 25 | Nov 10 | 227 days | 3,822 ft |
| Callao | May 14 | Sep 28 | 135 days | 4,342 ft |
| Canyonlands-The Neck | Apr 25 | Oct 23 | 180 days | 5,871 ft |
| Canyonlands-The Needles | Apr 30 | Oct 11 | 164 days | 4,906 ft |
| Capitol Reef National Park | Apr 18 | Oct 28 | 192 days | 5,500 ft |
| Castle Dale | May 18 | Sep 27 | 128 days | 5,629 ft |
| Castle Valley | Apr 17 | Oct 23 | 185 days | 4,725 ft |
| Castle Valley 1se | Apr 19 | Oct 21 | 184 days | 4,905 ft |
| Cedar Breaks National Monument | Jun 11 | Oct 3 | 113 days | 10,372 ft |
| Cedar City | May 4 | Oct 13 | 159 days | 6,090 ft |
| Cedar City 5e | May 23 | Oct 4 | 130 days | 6,465 ft |
| Cedar City Muni Airport | May 21 | Sep 29 | 130 days | 5,586 ft |
| Cedar Point | May 16 | Oct 11 | 145 days | 6,760 ft |
| Circleville | May 23 | Sep 27 | 125 days | 6,050 ft |
| City Creek Water Plant | May 13 | Oct 7 | 146 days | 5,340 ft |
| Coalville | Jun 7 | Sep 12 | 95 days | 5,550 ft |
| Coalville 13 E | any month | any month | 51 days | 6,510 ft |
| Cottonwood Weir | Apr 29 | Oct 22 | 174 days | 4,986 ft |
| Cutler Dam | May 3 | Oct 12 | 160 days | 4,290 ft |
| Deer Creek Dam | May 28 | Sep 23 | 119 days | 5,270 ft |
| Delta | May 16 | Sep 29 | 137 days | 4,620 ft |
| Deseret | May 14 | Sep 30 | 137 days | 4,590 ft |
| Dewey | Apr 27 | Oct 9 | 165 days | 4,120 ft |
| Dinosaur Nm-Quarry Area | May 1 | Oct 6 | 156 days | 4,802 ft |
| Draper-Point Of Mountain | Apr 18 | Oct 22 | 185 days | 4,506 ft |
| Duchesne | May 6 | Oct 5 | 150 days | 5,551 ft |
| Dugway | May 11 | Oct 2 | 143 days | 4,345 ft |
| Echo Dam | May 30 | Sep 18 | 112 days | 5,470 ft |
| Eden-Liberty | May 25 | Sep 26 | 123 days | 5,195 ft |
| Electric Lake | any month | any month | 61 days | 8,380 ft |
| Enterprise | May 21 | Oct 2 | 132 days | 5,320 ft |
| Enterprise Beryl Junction | May 31 | Sep 20 | 110 days | 5,150 ft |
| Ephraim | May 28 | Sep 20 | 113 days | 5,498 ft |
| Escalante | May 8 | Oct 10 | 155 days | 5,810 ft |
| Eskdale | May 12 | Oct 1 | 140 days | 4,980 ft |
| Fairfield | Jun 2 | Sep 16 | 103 days | 4,880 ft |
| Farmington 3 NW | Apr 19 | Oct 19 | 181 days | 4,380 ft |
| Ferron | May 6 | Oct 10 | 156 days | 5,923 ft |
| Fillmore | May 4 | Oct 14 | 160 days | 5,127 ft |
| Fish Springs Nwr | Apr 26 | Oct 14 | 169 days | 4,357 ft |
| Flaming Gorge | May 26 | Sep 23 | 120 days | 6,244 ft |
| Fort Duchesne | May 19 | Oct 2 | 135 days | 5,052 ft |
| Fremont Indian State Park | Jun 4 | Sep 21 | 106 days | 5,920 ft |
| Garfield | Apr 3 | Nov 4 | 213 days | 4,298 ft |
| Goblin Valley State Park | Apr 26 | Oct 18 | 173 days | 4,960 ft |
| Granite Peak Dugway Pg | Apr 18 | Oct 16 | 179 days | 4,300 ft |
| Grantsville 2w | May 2 | Oct 14 | 164 days | 4,550 ft |
| Grouse Creek | Jun 4 | Sep 17 | 104 days | 5,320 ft |
| Hanksville | May 5 | Oct 3 | 149 days | 4,308 ft |
| Hans Flat Ranger Station | May 1 | Oct 16 | 163 days | 6,600 ft |
| Hatch | Jun 19 | Sep 13 | 83 days | 6,893 ft |
| Heber | Jun 4 | Sep 20 | 106 days | 5,590 ft |
| Hite Ranger Station | Mar 9 | Nov 20 | 253 days | 3,850 ft |
| Hovenweep National Monument | May 2 | Oct 10 | 159 days | 5,240 ft |
| Huntsville Monastery | Jun 4 | Sep 16 | 102 days | 5,140 ft |
| Ibapah | Jun 14 | Sep 8 | 86 days | 5,279 ft |
| Jarvie Rch | May 19 | Sep 28 | 132 days | 5,454 ft |
| Jensen | May 20 | Sep 25 | 126 days | 4,736 ft |
| Johnson Pass | May 15 | Oct 5 | 142 days | 5,580 ft |
| Kamas | Jun 5 | Sep 17 | 100 days | 6,481 ft |
| Kanab | Apr 29 | Oct 22 | 175 days | 4,900 ft |
| Kanosh | Apr 30 | Oct 19 | 172 days | 4,382 ft |
| Kodachrome Basin Park | May 31 | Sep 28 | 116 days | 5,805 ft |
| Koosharem | Jun 6 | Sep 21 | 104 days | 6,930 ft |
| La Sal 1sw | May 17 | Oct 6 | 141 days | 6,787 ft |
| La Verkin | Apr 1 | Nov 5 | 217 days | 3,194 ft |
| Laketown | May 28 | Sep 24 | 119 days | 5,980 ft |
| Levan | May 10 | Oct 7 | 148 days | 5,298 ft |
| Little Sahara Rec Area | May 15 | Oct 1 | 137 days | 5,230 ft |
| Loa | May 31 | Sep 21 | 112 days | 7,070 ft |
| Logan 5 SW Exp. Farm | May 12 | Sep 28 | 138 days | 4,488 ft |
| Logan Cache Airport | May 8 | Oct 2 | 144 days | 4,454 ft |
| Logan Radio Kvnu | May 8 | Oct 2 | 145 days | 4,475 ft |
| Logan Utah St. Univ | Apr 30 | Oct 16 | 166 days | 4,790 ft |
| Lytle Rch | Mar 18 | Nov 9 | 234 days | 2,787 ft |
| Maeser 9nw | May 15 | Oct 5 | 143 days | 6,448 ft |
| Manila | May 22 | Sep 29 | 128 days | 6,393 ft |
| Manti | May 11 | Oct 6 | 146 days | 5,740 ft |
| Manti Radio Kmti | May 31 | Sep 21 | 114 days | 5,498 ft |
| Marysvale | May 24 | Sep 25 | 123 days | 5,845 ft |
| Mexican Hat | Apr 11 | Oct 30 | 201 days | 4,109 ft |
| Milford | May 10 | Oct 2 | 144 days | 5,009 ft |
| Milford Muni Airport | May 13 | Oct 4 | 143 days | 5,040 ft |
| Moab | Apr 11 | Oct 23 | 192 days | 4,053 ft |
| Moab Canyonland Airport | Apr 22 | Oct 20 | 179 days | 4,561 ft |
| Modena | May 20 | Oct 3 | 136 days | 5,460 ft |
| Monticello #2 | May 17 | Oct 7 | 141 days | 7,086 ft |
| Monticello 2e | May 19 | Oct 2 | 133 days | 6,820 ft |
| Moon Lake | Jun 11 | Sep 18 | 97 days | 8,125 ft |
| Morgan | May 25 | Sep 24 | 119 days | 5,100 ft |
| Moroni | May 26 | Sep 25 | 119 days | 5,580 ft |
| Mountain Dell Dam | May 7 | Oct 14 | 158 days | 5,420 ft |
| Myton | May 7 | Oct 5 | 149 days | 5,085 ft |
| Natural Bridges National Monument | May 5 | Oct 13 | 157 days | 6,508 ft |
| Neola | May 19 | Sep 29 | 130 days | 5,950 ft |
| Nephi | May 6 | Oct 10 | 156 days | 5,146 ft |
| New Harmony | May 9 | Oct 11 | 155 days | 5,167 ft |
| Oak City | May 2 | Oct 13 | 162 days | 5,095 ft |
| Ogden Hinkley Airport | Apr 22 | Oct 22 | 180 days | 4,470 ft |
| Ogden NE Bench | Apr 19 | Oct 22 | 186 days | 4,572 ft |
| Ogden Pioneer Ph | Apr 21 | Oct 23 | 184 days | 4,350 ft |
| Ogden Sugar Factory | Apr 22 | Oct 18 | 177 days | 4,280 ft |
| Orderville | May 15 | Oct 8 | 144 days | 5,460 ft |
| Orem Trtmt Plant | Apr 19 | Oct 19 | 182 days | 4,510 ft |
| Ouray 4ne | May 2 | Oct 3 | 152 days | 4,674 ft |
| Panguitch | Jun 12 | Sep 12 | 90 days | 6,647 ft |
| Paria Ranger Station | Apr 19 | Oct 23 | 186 days | 4,426 ft |
| Park City | May 29 | Sep 25 | 117 days | 6,900 ft |
| Partoun | May 13 | Sep 29 | 137 days | 4,780 ft |
| Pineview Dam | May 22 | Sep 26 | 125 days | 4,940 ft |
| Pleasant Grove | Apr 17 | Oct 25 | 188 days | 4,692 ft |
| Price Carbon Co Airport | May 3 | Oct 12 | 160 days | 5,921 ft |
| Provo Byu | Apr 18 | Oct 21 | 185 days | 4,570 ft |
| Randolph | Jun 14 | Sep 1 | 76 days | 6,290 ft |
| Richfield Radio Ksvc | May 21 | Sep 24 | 125 days | 5,285 ft |
| Richmond | May 11 | Oct 5 | 143 days | 4,680 ft |
| Roosevelt Radio | May 23 | Sep 22 | 121 days | 5,014 ft |
| Rosette | May 21 | Oct 2 | 132 days | 5,685 ft |
| Salina 24 E | May 29 | Sep 26 | 118 days | 7,560 ft |
| Salt Lake City E Bench | Apr 25 | Oct 18 | 175 days | 4,850 ft |
| Salt Lake City Intl Airport | Apr 8 | Oct 31 | 204 days | 4,225 ft |
| Salt Lake Triad Center | Mar 31 | Nov 8 | 224 days | 4,280 ft |
| Santaquin Chlorinator | May 4 | Oct 11 | 157 days | 5,160 ft |
| Scipio | May 22 | Sep 25 | 122 days | 5,314 ft |
| Scofield Dam | Jun 15 | Sep 12 | 87 days | 7,630 ft |
| Scofield-Skyline Mine | Jun 13 | Sep 17 | 94 days | 8,697 ft |
| Silver Lake Brighton | any month | any month | 79 days | 8,740 ft |
| Snake Creek Powerhouse | May 31 | Sep 11 | 101 days | 6,010 ft |
| Spanish Fk Power House | Apr 25 | Oct 18 | 174 days | 4,720 ft |
| St. George | Mar 14 | Nov 10 | 239 days | 2,857 ft |
| Sundance | May 17 | Oct 5 | 138 days | 6,620 ft |
| Sunnyside City | Apr 26 | Oct 25 | 181 days | 6,511 ft |
| Sunnyside City Center | May 5 | Oct 15 | 159 days | 6,530 ft |
| Thiokol Propulsion F S | May 17 | Sep 24 | 128 days | 4,600 ft |
| Timpanogos Cave | May 2 | Oct 16 | 161 days | 5,740 ft |
| Tooele | May 2 | Oct 16 | 165 days | 4,944 ft |
| Torrey 7 E | Apr 22 | Oct 23 | 183 days | 6,204 ft |
| Tremonton | Apr 24 | Oct 17 | 175 days | 4,310 ft |
| Trenton | May 17 | Sep 18 | 121 days | 4,455 ft |
| Utah Lake Lehi | Apr 30 | Oct 9 | 159 days | 4,505 ft |
| Utah Test Range | May 15 | Oct 2 | 139 days | 4,440 ft |
| Valley Of The Gods | Mar 29 | Nov 6 | 223 days | 5,287 ft |
| Vernal | May 7 | Oct 6 | 150 days | 5,345 ft |
| Vernal Municipal Airport | May 6 | Oct 7 | 153 days | 5,260 ft |
| Vernon | Jun 1 | Sep 20 | 110 days | 5,471 ft |
| Veyo Powerhouse | Apr 9 | Nov 5 | 207 days | 4,600 ft |
| Wah Wah Rch | May 19 | Sep 29 | 131 days | 4,880 ft |
| Wanship Dam | Jun 11 | Sep 12 | 92 days | 5,940 ft |
| Weber Basin Pump Plant 3 | Apr 29 | Oct 20 | 172 days | 4,900 ft |
| Wellington 3 E | May 27 | Sep 26 | 122 days | 5,400 ft |
| Wendover Airport Awos | Apr 18 | Oct 23 | 188 days | 4,237 ft |
| Woodruff | any month | any month | 59 days | 6,315 ft |
| Zion National Park | Apr 13 | Nov 2 | 202 days | 4,038 ft |
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.