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Oklahoma frost dates

Across 193 NOAA climate stations in Oklahoma, the median last spring frost (32°F) ranges from Mar 15 at Ardmore to Apr 26 at Boise City 2 E; the typical station sees its last frost around Apr 5 and its first fall frost around Nov 1.

“Median” dates have a 50% chance of a later spring frost or an earlier fall frost. “10% risk” dates are the safer choice for tender plants: only 1 year in 10 has frost beyond them. Source: NOAA NCEI 1991–2020 Climate Normals. Elevation matters: within a state, frost dates can differ by a month or more between valleys and hills.

StationElevationLast frost (median)Last frost (10% risk)First frost (median)First frost (10% risk)Growing season
Acme Mesonet1,302 ftApr 4Apr 23Oct 31Oct 16210 days
Ada1,015 ftApr 2Apr 18Nov 4Oct 20217 days
Ada 2NNE Mesonet967 ftMar 31Apr 18Nov 3Oct 19216 days
Altus 3S Mesonet1,364 ftApr 3Apr 21Nov 4Oct 21214 days
Altus Afb1,267 ftMar 26Apr 14Nov 10Oct 26229 days
Altus Dam1,525 ftApr 2Apr 21Nov 3Oct 18213 days
Altus Irig Rsch Stn1,380 ftApr 5Apr 21Nov 2Oct 19210 days
Alva 1W1,464 ftApr 10Apr 25Oct 28Oct 14199 days
Alva 7SSW Mesonet1,440 ftApr 11Apr 26Oct 26Oct 14198 days
Anadarko 3 E1,168 ftApr 8Apr 25Oct 30Oct 15202 days
Antlers470 ftApr 3Apr 20Nov 1Oct 18213 days
Antlers 5NW578 ftApr 2Apr 20Nov 1Oct 17212 days
Apache 4ENE Mesonet1,443 ftApr 3Apr 21Nov 3Oct 20213 days
Ardmore841 ftMar 15Apr 2Nov 14Oct 29244 days
Ardmore 3ENE Mesonet872 ftMar 18Apr 9Nov 10Oct 26238 days
Ardmore 7WNW Mesonet928 ftMar 21Apr 10Nov 8Oct 24231 days
Arnett 3NE2,429 ftApr 15Apr 29Oct 27Oct 14194 days
Arnett 8WSW Mesonet2,359 ftApr 9Apr 25Oct 27Oct 14200 days
Atoka565 ftApr 5Apr 22Nov 1Oct 18211 days
Barnsdall770 ftMar 31Apr 14Oct 31Oct 14212 days
Bartlesville 3715 ftApr 11Apr 30Oct 24Oct 8195 days
Bartlesville F P Fld715 ftApr 12Apr 28Oct 21Oct 5192 days
Battiest822 ftApr 13Apr 29Oct 27Oct 12196 days
Beaver2,465 ftApr 21May 4Oct 21Oct 6181 days
Bessie 4WNW Mesonet1,676 ftApr 3Apr 20Nov 1Oct 19210 days
Billings1,000 ftApr 15May 1Oct 26Oct 12194 days
Bixby605 ftApr 1Apr 20Nov 1Oct 16212 days
Blackwell 1SSW1,033 ftApr 12Apr 28Oct 29Oct 16199 days
Blackwell 4SSE Mesonet997 ftApr 8Apr 24Oct 27Oct 12201 days
Blanchard 2 Ssw1,275 ftApr 3Apr 19Nov 4Oct 21214 days
Boise City 2 E4,133 ftApr 26May 9Oct 17Oct 4173 days
Breckinridge 3SE Mesnt1,154 ftApr 10Apr 25Oct 29Oct 16202 days
Bristow830 ftApr 9Apr 27Oct 25Oct 10196 days
Broken Bow 1 N475 ftApr 1Apr 17Nov 2Oct 20220 days
Buffalo 1SW Mesonet1,834 ftApr 13Apr 29Oct 25Oct 12195 days
Buffalo 2 Ssw1,931 ftApr 17Apr 30Oct 23Oct 8187 days
Burneyville 2SE Mesont748 ftMar 31Apr 20Nov 4Oct 18218 days
Butler 5SW Mesonet1,706 ftApr 9Apr 24Oct 28Oct 14199 days
Byars 3ESE Mesonet1,131 ftMar 25Apr 13Nov 8Oct 23228 days
Camargo 4WNW Mesonet1,932 ftApr 15Apr 30Oct 23Oct 8189 days
Carnegie 5 Ne1,481 ftApr 6Apr 22Oct 31Oct 15206 days
Centrahoma 1E Mesonet682 ftMar 31Apr 19Nov 1Oct 17216 days
Centrahoma 2 Ese710 ftMar 31Apr 18Nov 4Oct 22219 days
Chandler958 ftApr 7Apr 23Oct 30Oct 15205 days
Chandler 5SE Mesonet954 ftApr 2Apr 21Nov 2Oct 19214 days
Chattanooga1,148 ftApr 7Apr 24Nov 2Oct 17205 days
Cherokee 1SSW Mesonet1,187 ftApr 10Apr 26Oct 29Oct 17201 days
Cherokee 4W1,239 ftApr 15Apr 28Oct 29Oct 16196 days
Cheyenne 6SW Mesonet2,277 ftApr 3Apr 19Nov 3Oct 18212 days
Chickasaw Nra1,047 ftApr 4Apr 22Oct 31Oct 17208 days
Chickasha 2SSE Mesonet1,076 ftApr 6Apr 21Nov 1Oct 17207 days
Chickasha Exp Station1,085 ftApr 4Apr 20Nov 1Oct 18211 days
Claremore 2 Ene588 ftApr 7Apr 24Oct 30Oct 15205 days
Clinton1,570 ftApr 13Apr 27Oct 28Oct 14197 days
Clinton Sherman AP1,922 ftApr 5Apr 22Nov 4Oct 21210 days
Coleman 4W747 ftMar 31Apr 18Nov 5Oct 22221 days
Coyle 7N Mesonet1,072 ftApr 3Apr 20Nov 1Oct 18210 days
Cushing950 ftApr 1Apr 17Nov 5Oct 20217 days
Duncan1,125 ftMar 25Apr 12Nov 7Oct 22225 days
Durant600 ftMar 31Apr 19Nov 5Oct 22221 days
Durant 6SSE Mesonet646 ftMar 19Apr 7Nov 12Oct 28237 days
El Reno 1 N1,325 ftApr 6Apr 22Oct 31Oct 15206 days
El Reno 5 Wnw Mesonet1,374 ftApr 12Apr 25Oct 27Oct 13196 days
Elk City 4 W2,120 ftApr 5Apr 24Nov 2Oct 19208 days
Enid1,245 ftApr 6Apr 21Nov 1Oct 21209 days
Erick2,060 ftApr 11Apr 29Oct 26Oct 14197 days
Erick 4ESE Mesonet1,978 ftApr 12Apr 28Oct 28Oct 12197 days
Fairview 1W Mesonet1,328 ftApr 5Apr 20Nov 1Oct 19208 days
Fittstown 6SW Mesonet1,148 ftMar 29Apr 18Nov 6Oct 21222 days
Fort Cobb 4NNW Mesonet1,384 ftApr 5Apr 23Nov 3Oct 19210 days
Frederick1,285 ftApr 3Apr 22Nov 4Oct 20213 days
Freedom1,515 ftApr 19May 2Oct 17Oct 2179 days
Freedom 16NNE Mesonet1,820 ftApr 8Apr 23Oct 29Oct 14203 days
Freedom 3SSW Mesonet1,738 ftApr 13Apr 30Oct 27Oct 14198 days
Ft Supply 3SE2,030 ftApr 21May 5Oct 19Oct 4179 days
Gage AP2,191 ftApr 17May 2Oct 20Oct 6185 days
Gate2,250 ftApr 13Apr 27Oct 28Oct 14196 days
Geary1,571 ftApr 6Apr 23Nov 5Oct 21212 days
Goodwell 2 E3,266 ftApr 22May 5Oct 22Oct 9182 days
Goodwell 2 Se3,282 ftApr 18May 3Oct 24Oct 11186 days
Goodwell Rsch Stn3,278 ftApr 24May 6Oct 19Oct 6178 days
Grandfield 3W Mesonet1,122 ftMar 31Apr 18Nov 6Oct 23219 days
Great Salt Plains Dam1,200 ftApr 5Apr 20Nov 1Oct 18209 days
Guthrie 4WSW Mesonet1,082 ftApr 3Apr 20Nov 4Oct 20214 days
Guthrie 5S1,110 ftApr 10Apr 30Oct 28Oct 14199 days
Guthrie Muni AP1,068 ftApr 3Apr 20Nov 1Oct 19211 days
Guymon Muni AP3,123 ftApr 18May 1Oct 23Oct 11188 days
Hammon 3 Ssw1,820 ftApr 16May 2Oct 23Oct 6191 days
Healdton 3 E902 ftApr 6Apr 25Nov 1Oct 15204 days
Helena 1 Sse1,350 ftApr 9Apr 23Oct 31Oct 18205 days
Hennessey 4 Ese1,174 ftApr 14Apr 27Oct 30Oct 17198 days
Hinton 7W Mesonet1,617 ftApr 5Apr 22Nov 1Oct 19208 days
Hobart 4SE Mesonet1,568 ftApr 7Apr 22Nov 4Oct 21209 days
Hobart Muni AP1,556 ftApr 4Apr 21Nov 4Oct 22214 days
Holdenville 2SSE855 ftApr 6Apr 24Oct 31Oct 17206 days
Holdenville 3ESE Mesonet918 ftMar 29Apr 14Nov 5Oct 21221 days
Hollis 5E1,621 ftApr 10Apr 24Oct 28Oct 15200 days
Hollis 5E Mesonet1,630 ftApr 5Apr 21Oct 31Oct 16208 days
Hooker3,001 ftApr 16May 1Oct 25Oct 13192 days
Hugo520 ftMar 15Apr 4Nov 15Oct 29244 days
Idabel365 ftMar 31Apr 18Nov 3Oct 18221 days
Jefferson 3SE1,043 ftApr 18May 2Oct 20Oct 4183 days
Kansas 2 Ne1,190 ftMar 31Apr 18Nov 2Oct 20216 days
Kenton4,350 ftApr 20May 4Oct 20Oct 6179 days
Kingfisher1,050 ftApr 8Apr 24Nov 1Oct 19206 days
Kingfisher 1W Mesonet1,059 ftApr 9Apr 25Nov 1Oct 17204 days
Lahoma 1WSW Mesonet1,299 ftApr 10Apr 25Oct 31Oct 17204 days
Lane 1WNW Mesonet593 ftMar 29Apr 17Nov 4Oct 20222 days
Lawton1,150 ftMar 26Apr 14Nov 7Oct 21225 days
Lawton Muni AP1,069 ftApr 1Apr 19Nov 5Oct 22217 days
Lindsay 2 W980 ftApr 13Apr 28Oct 27Oct 12196 days
Madill770 ftMar 27Apr 14Nov 8Oct 25227 days
Madill 11WSW Mesonet761 ftMar 24Apr 17Nov 6Oct 21226 days
Mangum1,595 ftApr 8Apr 24Nov 2Oct 19207 days
Mangum 5SE Mesonet1,509 ftApr 10Apr 27Oct 29Oct 16201 days
Mannford 6 Nw830 ftApr 6Apr 23Oct 29Oct 14207 days
Marietta 5SW802 ftApr 6Apr 24Nov 2Oct 18211 days
Marshall 3SSE Mesonet1,020 ftApr 11Apr 29Oct 31Oct 16201 days
Mc Curtain 1 Se655 ftMar 23Apr 10Nov 5Oct 21228 days
Mcalester Rgnl AP770 ftMar 31Apr 18Nov 3Oct 20216 days
Mcgee Creek Dam672 ftMar 27Apr 14Nov 9Oct 24228 days
Medford 1SW Mesonet1,089 ftApr 10Apr 27Oct 28Oct 14199 days
Medicine Pk 3W Mesonet1,597 ftMar 21Apr 8Nov 12Oct 27234 days
Meeker 5 W925 ftApr 4Apr 21Oct 30Oct 18208 days
Miami805 ftApr 6Apr 26Oct 27Oct 14203 days
Minco 2SSW Mesonet1,410 ftApr 3Apr 19Nov 5Oct 22216 days
Muskogee518 ftApr 7Apr 26Oct 30Oct 16208 days
Muskogee Davis Fld610 ftApr 2Apr 20Nov 2Oct 20216 days
Mutual1,890 ftApr 19May 3Oct 26Oct 11188 days
Newkirk 5NE1,142 ftApr 16Apr 30Oct 26Oct 11192 days
Newkirk 8E Mesonet1,200 ftApr 6Apr 23Oct 30Oct 15206 days
Norman 2NW Mesonet1,181 ftMar 31Apr 17Nov 5Oct 21219 days
Norman 3SSE1,128 ftApr 3Apr 18Nov 3Oct 21212 days
Nowata710 ftApr 4Apr 21Nov 1Oct 18210 days
Okeene1,215 ftApr 7Apr 24Nov 2Oct 21208 days
Okemah935 ftMar 24Apr 10Nov 9Oct 25229 days
Oklahoma City Post AP1,297 ftApr 2Apr 18Nov 4Oct 21216 days
Oklahoma City Will Rogers AP1,285 ftApr 4Apr 20Nov 2Oct 21213 days
Okmulgee Wtr Wks647 ftApr 8Apr 25Oct 28Oct 12203 days
Orlando 5E Mesonet961 ftApr 10Apr 29Oct 25Oct 12198 days
Pauls Valley 4 Wsw940 ftApr 5Apr 21Nov 1Oct 18210 days
Pauls Vly 1SSW Mesonet954 ftMar 28Apr 16Nov 7Oct 22223 days
Pawhuska835 ftApr 6Apr 23Oct 29Oct 13204 days
Perkins 2NNW Mesonet958 ftApr 4Apr 20Nov 2Oct 19212 days
Perry1,025 ftApr 4Apr 20Nov 1Oct 18210 days
Ponca City Muni AP1,000 ftApr 10Apr 27Oct 27Oct 14200 days
Pryor625 ftApr 5Apr 21Oct 30Oct 15207 days
Purcell 2 Sw1,120 ftApr 4Apr 24Nov 2Oct 18210 days
Putnam 3N Mesonet1,932 ftApr 8Apr 24Nov 1Oct 18204 days
Ralston825 ftApr 11Apr 27Oct 24Oct 7196 days
Red Rock 7SSE Mesonet961 ftApr 8Apr 24Oct 28Oct 14202 days
Ringling 1N Mesonet928 ftMar 23Apr 13Nov 7Oct 24226 days
Sallisaw 2 Nw660 ftMar 30Apr 16Nov 7Oct 23223 days
Seiling 7WNW Mesonet1,788 ftApr 11Apr 26Oct 25Oct 12194 days
Seminole924 ftApr 5Apr 22Nov 1Oct 18210 days
Seminole 4SSW Mesonet958 ftApr 1Apr 19Nov 1Oct 18214 days
Shawnee 3NNW Mesonet1,076 ftMar 30Apr 16Nov 5Oct 22221 days
Smithville822 ftApr 9Apr 24Oct 29Oct 14201 days
Spavinaw685 ftApr 7Apr 24Nov 2Oct 19209 days
Spencer 2ENE Mesonet1,223 ftApr 2Apr 18Nov 5Oct 20217 days
Stillwater 2 W895 ftApr 8Apr 25Oct 27Oct 13201 days
Stillwater 2 W890 ftApr 5Apr 21Oct 30Oct 16206 days
Stillwater 5 Wnw888 ftApr 12Apr 27Oct 27Oct 12199 days
Stillwater Mesonet892 ftApr 6Apr 21Oct 31Oct 15208 days
Stillwater Rgnl AP984 ftApr 3Apr 21Oct 31Oct 15209 days
Stilwell 5 Nnw1,000 ftMar 31Apr 20Nov 4Oct 21217 days
Sulphur 4NNE Mesonet1,049 ftApr 4Apr 24Nov 1Oct 17212 days
Tahlequah850 ftApr 4Apr 24Oct 31Oct 16209 days
Taloga1,715 ftApr 18Apr 30Oct 21Oct 5185 days
Tipton 4S Mesonet1,269 ftApr 3Apr 21Nov 6Oct 22217 days
Tishomingo 6N Mesonet879 ftMar 29Apr 16Nov 5Oct 21222 days
Tulsa Intl AP650 ftMar 31Apr 15Nov 4Oct 20220 days
Tulsa R L Jones Jr AP638 ftMar 30Apr 17Nov 4Oct 21220 days
Turpin 4 Sse2,705 ftApr 17May 1Oct 25Oct 12189 days
Tuskahoma600 ftApr 11Apr 27Oct 27Oct 12199 days
Upper Spavinaw Port795 ftApr 16May 1Oct 20Oct 6187 days
Velma 7NW Mesonet1,118 ftMar 28Apr 18Nov 7Oct 23227 days
Wagoner590 ftMar 29Apr 14Nov 5Oct 21223 days
Walters1,005 ftApr 1Apr 18Nov 5Oct 22218 days
Walters 4NW Mesonet1,063 ftMar 26Apr 15Nov 6Oct 23225 days
Washington 6SSW Mesonet1,131 ftMar 31Apr 17Nov 3Oct 20217 days
Watonga1,530 ftApr 14Apr 29Oct 27Oct 11194 days
Watonga 7W Mesonet1,696 ftApr 6Apr 22Nov 3Oct 20211 days
Waurika912 ftMar 24Apr 8Nov 8Oct 23228 days
Waurika 1ENE Mesonet928 ftMar 29Apr 19Nov 5Oct 23223 days
Waynoka1,508 ftApr 12Apr 27Oct 24Oct 9192 days
Weatherford1,618 ftApr 3Apr 21Nov 3Oct 20214 days
Weatherford 4WSW Mesnt1,765 ftApr 6Apr 23Nov 3Oct 20210 days
Webbers Falls 5 Wsw550 ftApr 6Apr 24Oct 30Oct 16206 days
Wichita Mtn Wr1,665 ftMar 28Apr 17Nov 6Oct 21224 days
Wilburton 9 Ene635 ftApr 2Apr 19Nov 5Oct 22218 days
Wister 3S525 ftApr 6Apr 24Nov 2Oct 18210 days
Woodward 2WSW Mesonet2,050 ftApr 5Apr 23Oct 30Oct 15206 days
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