Oklahoma Frost Dates: Last and First Frost by Town

193 NOAA weather stations · 1991–2020 U.S. Climate Normals · Data updated 2026-10-29

Quick answer

Across Oklahoma's 193 NOAA stations with regular frost, the median last spring frost is April 5 and the median first fall frost is November 1. Last frost dates range from March 15 at Ardmore to April 26 at Boise City 2 E, so enter your ZIP code below for the station nearest you.

How frost dates vary across Oklahoma

Elevation matters: across Oklahoma's stations, each 1,000 ft of elevation delays the median last frost by about 7 days.
North vs south: stations in the northern third of the state (north of 36.1°N) reach their median last frost about 11 days later than the southern third (south of 35.0°N).
Safety margin: the median 10%-risk date (April 22) is about 17 days after the median last frost. Waiting until then cuts the chance of a killing frost on tender transplants from 1 in 2 to 1 in 10.

Frost dates at Oklahoma's major weather stations

These National Weather Service stations, mostly at airports, have the longest and most complete records in the state.


Altus AFB	1,267	Mar 26	Apr 14	Nov 10	229
Bartlesville F P Field	715	Apr 12	Apr 28	Oct 21	192
Clinton Sherman Airport	1,922	Apr 5	Apr 22	Nov 4	210
Gage Airport	2,191	Apr 17	May 2	Oct 20	185
Goodwell 2 E	3,266	Apr 22	May 5	Oct 22	182
Goodwell 2 SE	3,282	Apr 18	May 3	Oct 24	186
Guthrie Municipal Airport	1,068	Apr 3	Apr 20	Nov 1	211
Guymon Municipal Airport	3,123	Apr 18	May 1	Oct 23	188
Hobart Municipal Airport	1,556	Apr 4	Apr 21	Nov 4	214
Lawton Municipal Airport	1,069	Apr 1	Apr 19	Nov 5	217
McAlester Regional Airport	770	Mar 31	Apr 18	Nov 3	216
Muskogee Davis Field	610	Apr 2	Apr 20	Nov 2	216
Oklahoma City Post Airport	1,297	Apr 2	Apr 18	Nov 4	216
Oklahoma City Will Rogers Airport	1,285	Apr 4	Apr 20	Nov 2	213
Ponca City Municipal Airport	1,000	Apr 10	Apr 27	Oct 27	200
Stillwater 2 W	890	Apr 5	Apr 21	Oct 30	206
Stillwater 5 WNW	888	Apr 12	Apr 27	Oct 27	199
Stillwater Regional Airport	984	Apr 3	Apr 21	Oct 31	209
Tulsa Intl Airport	650	Mar 31	Apr 15	Nov 4	220
Tulsa R L Jones Jr Airport	638	Mar 30	Apr 17	Nov 4	220

All 193 stations in Oklahoma

Last frost and first frost are medians: a 50% chance of a 32°F night after (spring) or before (fall) that date. 10% risk is the spring date with only a 1-in-10 chance of a later frost. Click a column to sort.

Filter by station name


Acme Mesonet	1,302	Apr 4	Apr 23	Oct 31	210
Ada	1,015	Apr 2	Apr 18	Nov 4	217
Ada 2NNE Mesonet	967	Mar 31	Apr 18	Nov 3	216
Altus 3S Mesonet	1,364	Apr 3	Apr 21	Nov 4	214
Altus AFB	1,267	Mar 26	Apr 14	Nov 10	229
Altus Dam	1,525	Apr 2	Apr 21	Nov 3	213
Altus Irig Rsch Station	1,380	Apr 5	Apr 21	Nov 2	210
Alva 1W	1,464	Apr 10	Apr 25	Oct 28	199
Alva 7SSW Mesonet	1,440	Apr 11	Apr 26	Oct 26	198
Anadarko 3 E	1,168	Apr 8	Apr 25	Oct 30	202
Antlers	470	Apr 3	Apr 20	Nov 1	213
Antlers 5NW	578	Apr 2	Apr 20	Nov 1	212
Apache 4ENE Mesonet	1,443	Apr 3	Apr 21	Nov 3	213
Ardmore	841	Mar 15	Apr 2	Nov 14	244
Ardmore 3ENE Mesonet	872	Mar 18	Apr 9	Nov 10	238
Ardmore 7WNW Mesonet	928	Mar 21	Apr 10	Nov 8	231
Arnett 3NE	2,429	Apr 15	Apr 29	Oct 27	194
Arnett 8WSW Mesonet	2,359	Apr 9	Apr 25	Oct 27	200
Atoka	565	Apr 5	Apr 22	Nov 1	211
Barnsdall	770	Mar 31	Apr 14	Oct 31	212
Bartlesville 3	715	Apr 11	Apr 30	Oct 24	195
Bartlesville F P Field	715	Apr 12	Apr 28	Oct 21	192
Battiest	822	Apr 13	Apr 29	Oct 27	196
Beaver	2,465	Apr 21	May 4	Oct 21	181
Bessie 4WNW Mesonet	1,676	Apr 3	Apr 20	Nov 1	210
Billings	1,000	Apr 15	May 1	Oct 26	194
Bixby	605	Apr 1	Apr 20	Nov 1	212
Blackwell 1SSW	1,033	Apr 12	Apr 28	Oct 29	199
Blackwell 4SSE Mesonet	997	Apr 8	Apr 24	Oct 27	201
Blanchard 2 SSW	1,275	Apr 3	Apr 19	Nov 4	214
Boise City 2 E	4,133	Apr 26	May 9	Oct 17	173
Breckinridge 3SE Mesnt	1,154	Apr 10	Apr 25	Oct 29	202
Bristow	830	Apr 9	Apr 27	Oct 25	196
Broken Bow 1 N	475	Apr 1	Apr 17	Nov 2	220
Buffalo 1SW Mesonet	1,834	Apr 13	Apr 29	Oct 25	195
Buffalo 2 SSW	1,931	Apr 17	Apr 30	Oct 23	187
Burneyville 2SE Mesont	748	Mar 31	Apr 20	Nov 4	218
Butler 5SW Mesonet	1,706	Apr 9	Apr 24	Oct 28	199
Byars 3ESE Mesonet	1,131	Mar 25	Apr 13	Nov 8	228
Camargo 4WNW Mesonet	1,932	Apr 15	Apr 30	Oct 23	189
Carnegie 5 NE	1,481	Apr 6	Apr 22	Oct 31	206
Centrahoma 1E Mesonet	682	Mar 31	Apr 19	Nov 1	216
Centrahoma 2 ESE	710	Mar 31	Apr 18	Nov 4	219
Chandler	958	Apr 7	Apr 23	Oct 30	205
Chandler 5SE Mesonet	954	Apr 2	Apr 21	Nov 2	214
Chattanooga	1,148	Apr 7	Apr 24	Nov 2	205
Cherokee 1SSW Mesonet	1,187	Apr 10	Apr 26	Oct 29	201
Cherokee 4W	1,239	Apr 15	Apr 28	Oct 29	196
Cheyenne 6SW Mesonet	2,277	Apr 3	Apr 19	Nov 3	212
Chickasaw Nra	1,047	Apr 4	Apr 22	Oct 31	208
Chickasha 2SSE Mesonet	1,076	Apr 6	Apr 21	Nov 1	207
Chickasha Experiment Station	1,085	Apr 4	Apr 20	Nov 1	211
Claremore 2 ENE	588	Apr 7	Apr 24	Oct 30	205
Clinton	1,570	Apr 13	Apr 27	Oct 28	197
Clinton Sherman Airport	1,922	Apr 5	Apr 22	Nov 4	210
Coleman 4W	747	Mar 31	Apr 18	Nov 5	221
Coyle 7N Mesonet	1,072	Apr 3	Apr 20	Nov 1	210
Cushing	950	Apr 1	Apr 17	Nov 5	217
Duncan	1,125	Mar 25	Apr 12	Nov 7	225
Durant	600	Mar 31	Apr 19	Nov 5	221
Durant 6SSE Mesonet	646	Mar 19	Apr 7	Nov 12	237
El Reno 1 N	1,325	Apr 6	Apr 22	Oct 31	206
El Reno 5 WNW Mesonet	1,374	Apr 12	Apr 25	Oct 27	196
Elk City 4 W	2,120	Apr 5	Apr 24	Nov 2	208
Enid	1,245	Apr 6	Apr 21	Nov 1	209
Erick	2,060	Apr 11	Apr 29	Oct 26	197
Erick 4ESE Mesonet	1,978	Apr 12	Apr 28	Oct 28	197
Fairview 1W Mesonet	1,328	Apr 5	Apr 20	Nov 1	208
Fittstown 6SW Mesonet	1,148	Mar 29	Apr 18	Nov 6	222
Fort Cobb 4NNW Mesonet	1,384	Apr 5	Apr 23	Nov 3	210
Fort Supply 3SE	2,030	Apr 21	May 5	Oct 19	179
Frederick	1,285	Apr 3	Apr 22	Nov 4	213
Freedom	1,515	Apr 19	May 2	Oct 17	179
Freedom 16NNE Mesonet	1,820	Apr 8	Apr 23	Oct 29	203
Freedom 3SSW Mesonet	1,738	Apr 13	Apr 30	Oct 27	198
Gage Airport	2,191	Apr 17	May 2	Oct 20	185
Gate	2,250	Apr 13	Apr 27	Oct 28	196
Geary	1,571	Apr 6	Apr 23	Nov 5	212
Goodwell 2 E	3,266	Apr 22	May 5	Oct 22	182
Goodwell 2 SE	3,282	Apr 18	May 3	Oct 24	186
Goodwell Rsch Station	3,278	Apr 24	May 6	Oct 19	178
Grandfield 3W Mesonet	1,122	Mar 31	Apr 18	Nov 6	219
Great Salt Plains Dam	1,200	Apr 5	Apr 20	Nov 1	209
Guthrie 4WSW Mesonet	1,082	Apr 3	Apr 20	Nov 4	214
Guthrie 5S	1,110	Apr 10	Apr 30	Oct 28	199
Guthrie Municipal Airport	1,068	Apr 3	Apr 20	Nov 1	211
Guymon Municipal Airport	3,123	Apr 18	May 1	Oct 23	188
Hammon 3 SSW	1,820	Apr 16	May 2	Oct 23	191
Healdton 3 E	902	Apr 6	Apr 25	Nov 1	204
Helena 1 SSE	1,350	Apr 9	Apr 23	Oct 31	205
Hennessey 4 ESE	1,174	Apr 14	Apr 27	Oct 30	198
Hinton 7W Mesonet	1,617	Apr 5	Apr 22	Nov 1	208
Hobart 4SE Mesonet	1,568	Apr 7	Apr 22	Nov 4	209
Hobart Municipal Airport	1,556	Apr 4	Apr 21	Nov 4	214
Holdenville 2SSE	855	Apr 6	Apr 24	Oct 31	206
Holdenville 3ESE Mesonet	918	Mar 29	Apr 14	Nov 5	221
Hollis 5E	1,621	Apr 10	Apr 24	Oct 28	200
Hollis 5E Mesonet	1,630	Apr 5	Apr 21	Oct 31	208
Hooker	3,001	Apr 16	May 1	Oct 25	192
Hugo	520	Mar 15	Apr 4	Nov 15	244
Idabel	365	Mar 31	Apr 18	Nov 3	221
Jefferson 3SE	1,043	Apr 18	May 2	Oct 20	183
Kansas 2 NE	1,190	Mar 31	Apr 18	Nov 2	216
Kenton	4,350	Apr 20	May 4	Oct 20	179
Kingfisher	1,050	Apr 8	Apr 24	Nov 1	206
Kingfisher 1W Mesonet	1,059	Apr 9	Apr 25	Nov 1	204
Lahoma 1WSW Mesonet	1,299	Apr 10	Apr 25	Oct 31	204
Lane 1WNW Mesonet	593	Mar 29	Apr 17	Nov 4	222
Lawton	1,150	Mar 26	Apr 14	Nov 7	225
Lawton Municipal Airport	1,069	Apr 1	Apr 19	Nov 5	217
Lindsay 2 W	980	Apr 13	Apr 28	Oct 27	196
Madill	770	Mar 27	Apr 14	Nov 8	227
Madill 11WSW Mesonet	761	Mar 24	Apr 17	Nov 6	226
Mangum	1,595	Apr 8	Apr 24	Nov 2	207
Mangum 5SE Mesonet	1,509	Apr 10	Apr 27	Oct 29	201
Mannford 6 NW	830	Apr 6	Apr 23	Oct 29	207
Marietta 5SW	802	Apr 6	Apr 24	Nov 2	211
Marshall 3SSE Mesonet	1,020	Apr 11	Apr 29	Oct 31	201
Mc Curtain 1 SE	655	Mar 23	Apr 10	Nov 5	228
McAlester Regional Airport	770	Mar 31	Apr 18	Nov 3	216
McGee Creek Dam	672	Mar 27	Apr 14	Nov 9	228
Medford 1SW Mesonet	1,089	Apr 10	Apr 27	Oct 28	199
Medicine Park 3W Mesonet	1,597	Mar 21	Apr 8	Nov 12	234
Meeker 5 W	925	Apr 4	Apr 21	Oct 30	208
Miami	805	Apr 6	Apr 26	Oct 27	203
Minco 2SSW Mesonet	1,410	Apr 3	Apr 19	Nov 5	216
Muskogee	518	Apr 7	Apr 26	Oct 30	208
Muskogee Davis Field	610	Apr 2	Apr 20	Nov 2	216
Mutual	1,890	Apr 19	May 3	Oct 26	188
Newkirk 5NE	1,142	Apr 16	Apr 30	Oct 26	192
Newkirk 8E Mesonet	1,200	Apr 6	Apr 23	Oct 30	206
Norman 2NW Mesonet	1,181	Mar 31	Apr 17	Nov 5	219
Norman 3SSE	1,128	Apr 3	Apr 18	Nov 3	212
Nowata	710	Apr 4	Apr 21	Nov 1	210
Okeene	1,215	Apr 7	Apr 24	Nov 2	208
Okemah	935	Mar 24	Apr 10	Nov 9	229
Oklahoma City Post Airport	1,297	Apr 2	Apr 18	Nov 4	216
Oklahoma City Will Rogers Airport	1,285	Apr 4	Apr 20	Nov 2	213
Okmulgee Wtr Wks	647	Apr 8	Apr 25	Oct 28	203
Orlando 5E Mesonet	961	Apr 10	Apr 29	Oct 25	198
Pauls Valley 1SSW Mesonet	954	Mar 28	Apr 16	Nov 7	223
Pauls Valley 4 WSW	940	Apr 5	Apr 21	Nov 1	210
Pawhuska	835	Apr 6	Apr 23	Oct 29	204
Perkins 2NNW Mesonet	958	Apr 4	Apr 20	Nov 2	212
Perry	1,025	Apr 4	Apr 20	Nov 1	210
Ponca City Municipal Airport	1,000	Apr 10	Apr 27	Oct 27	200
Pryor	625	Apr 5	Apr 21	Oct 30	207
Purcell 2 SW	1,120	Apr 4	Apr 24	Nov 2	210
Putnam 3N Mesonet	1,932	Apr 8	Apr 24	Nov 1	204
Ralston	825	Apr 11	Apr 27	Oct 24	196
Red Rock 7SSE Mesonet	961	Apr 8	Apr 24	Oct 28	202
Ringling 1N Mesonet	928	Mar 23	Apr 13	Nov 7	226
Sallisaw 2 NW	660	Mar 30	Apr 16	Nov 7	223
Seiling 7WNW Mesonet	1,788	Apr 11	Apr 26	Oct 25	194
Seminole	924	Apr 5	Apr 22	Nov 1	210
Seminole 4SSW Mesonet	958	Apr 1	Apr 19	Nov 1	214
Shawnee 3NNW Mesonet	1,076	Mar 30	Apr 16	Nov 5	221
Smithville	822	Apr 9	Apr 24	Oct 29	201
Spavinaw	685	Apr 7	Apr 24	Nov 2	209
Spencer 2ENE Mesonet	1,223	Apr 2	Apr 18	Nov 5	217
Stillwater 2 W	895	Apr 8	Apr 25	Oct 27	201
Stillwater 2 W	890	Apr 5	Apr 21	Oct 30	206
Stillwater 5 WNW	888	Apr 12	Apr 27	Oct 27	199
Stillwater Mesonet	892	Apr 6	Apr 21	Oct 31	208
Stillwater Regional Airport	984	Apr 3	Apr 21	Oct 31	209
Stilwell 5 NNW	1,000	Mar 31	Apr 20	Nov 4	217
Sulphur 4NNE Mesonet	1,049	Apr 4	Apr 24	Nov 1	212
Tahlequah	850	Apr 4	Apr 24	Oct 31	209
Taloga	1,715	Apr 18	Apr 30	Oct 21	185
Tipton 4S Mesonet	1,269	Apr 3	Apr 21	Nov 6	217
Tishomingo 6N Mesonet	879	Mar 29	Apr 16	Nov 5	222
Tulsa Intl Airport	650	Mar 31	Apr 15	Nov 4	220
Tulsa R L Jones Jr Airport	638	Mar 30	Apr 17	Nov 4	220
Turpin 4 SSE	2,705	Apr 17	May 1	Oct 25	189
Tuskahoma	600	Apr 11	Apr 27	Oct 27	199
Upper Spavinaw Port	795	Apr 16	May 1	Oct 20	187
Velma 7NW Mesonet	1,118	Mar 28	Apr 18	Nov 7	227
Wagoner	590	Mar 29	Apr 14	Nov 5	223
Walters	1,005	Apr 1	Apr 18	Nov 5	218
Walters 4NW Mesonet	1,063	Mar 26	Apr 15	Nov 6	225
Washington 6SSW Mesonet	1,131	Mar 31	Apr 17	Nov 3	217
Watonga	1,530	Apr 14	Apr 29	Oct 27	194
Watonga 7W Mesonet	1,696	Apr 6	Apr 22	Nov 3	211
Waurika	912	Mar 24	Apr 8	Nov 8	228
Waurika 1ENE Mesonet	928	Mar 29	Apr 19	Nov 5	223
Waynoka	1,508	Apr 12	Apr 27	Oct 24	192
Weatherford	1,618	Apr 3	Apr 21	Nov 3	214
Weatherford 4WSW Mesnt	1,765	Apr 6	Apr 23	Nov 3	210
Webbers Falls 5 WSW	550	Apr 6	Apr 24	Oct 30	206
Wichita Mountain Wr	1,665	Mar 28	Apr 17	Nov 6	224
Wilburton 9 ENE	635	Apr 2	Apr 19	Nov 5	218
Wister 3S	525	Apr 6	Apr 24	Nov 2	210
Woodward 2WSW Mesonet	2,050	Apr 5	Apr 23	Oct 30	206

Frequently asked questions

When is the last frost in Oklahoma?

The median last spring frost (32°F) across Oklahoma's NOAA weather stations is April 5, based on 1991–2020 climate normals. It ranges from March 15 at Ardmore to April 26 at Boise City 2 E. For a safer planting date, use the 10%-risk date; the state median for that is April 22.

When is the first frost in Oklahoma?

The median first fall frost across Oklahoma's stations is November 1. The earliest median first frost is October 17 at Boise City 2 E, and the latest is November 15 at Hugo.

How long is the growing season in Oklahoma?

The median frost-free season is 209 days across Oklahoma's stations, from 173 days at Boise City 2 E to 244 days at Hugo.

When should I plant tomatoes in Oklahoma?

Plant tomatoes outdoors after your local last frost, ideally after the 10%-risk date when nights stay above 50°F. At a typical Oklahoma station that means starting seeds indoors 6–8 weeks before April 5 and transplanting from about April 22. Check your ZIP code, because dates vary by weeks across the state.

How to use these dates

Frost dates are 30-year averages from NOAA, not forecasts. Use them to plan seed starting and planting, then watch the 10-day forecast as the date approaches. Cold air settles in valleys and low spots, so a garden at the bottom of a slope can frost a week or more later in spring than the nearest station shows.

Ready to plan? The planting calendar by ZIP code turns these dates into start-indoors, transplant and sowing dates for 30 crops.

Sources and method

Dates are the 32°F freeze probabilities published in the NOAA NCEI 1991–2020 U.S. Climate Normals for each station. Station names are NOAA's, lightly expanded for readability. See the methodology or download the full table.