Oklahoma frost dates: S

City	Last frost	First frost	Season	Zone
S Coffeyville	Apr 6	Nov 1	209 d	7a
Saint Louis	Apr 1	Nov 1	214 d	7b
Salina	Apr 7	Nov 2	209 d	7a
Sallisaw	Mar 30	Nov 7	222 d	7b
Sand Springs	Mar 30	Nov 4	219 d	7b
Sapulpa	Mar 30	Nov 4	219 d	7b
Sasakwa	Apr 6	Oct 31	208 d	7b
Savanna	Mar 31	Nov 3	217 d	7b
Sawyer	Mar 15	Nov 15	245 d	8a
Sayre	Apr 5	Nov 2	211 d	7b
Schulter	Apr 8	Oct 28	203 d	7b
Seiling	Apr 18	Oct 21	186 d	7a
Seminole	Apr 5	Nov 1	210 d	7b
Sentinel	Apr 5	Nov 4	213 d	7b
Shady Point	Apr 6	Nov 2	210 d	7b
Shamrock	Apr 9	Oct 25	199 d	7b
Sharon	Apr 19	Oct 26	190 d	7a
Shattuck	Apr 17	Oct 20	186 d	7a
Shawnee	Mar 30	Nov 5	220 d	7b
Shidler	Apr 6	Oct 30	207 d	7a
Skiatook	Mar 31	Nov 4	218 d	7b
Slick	Apr 9	Oct 25	199 d	7b
Smithville	Apr 9	Oct 29	203 d	7b
Snow	Apr 11	Oct 27	199 d	8a
Snyder	Mar 28	Nov 6	223 d	7b
Soper	Mar 15	Nov 15	245 d	8a
Southard	Apr 5	Nov 1	210 d	7b
Sparks	Apr 2	Nov 2	214 d	7b
Spavinaw	Apr 7	Nov 2	209 d	7a
Spencer	Apr 2	Nov 5	217 d	7b
Spencerville	Mar 15	Nov 15	245 d	8a
Sperry	Mar 31	Nov 4	218 d	7b
Spiro	Mar 25	Nov 6	226 d	7b
Springer	Mar 21	Nov 8	232 d	8a
Sterling	Apr 4	Oct 31	210 d	7b
Stidham	Apr 8	Oct 28	203 d	7b
Stigler	Mar 23	Nov 5	227 d	7b
Stillwater	Apr 5	Oct 30	208 d	7a
Stilwell	Mar 31	Nov 4	218 d	7b
Stonewall	Mar 31	Nov 1	215 d	7b
Strang	Apr 7	Nov 2	209 d	7a
Stratford	Mar 25	Nov 8	228 d	7b
Stringtown	Apr 5	Nov 1	210 d	7b
Stroud	Apr 2	Nov 2	214 d	7b
Stuart	Mar 29	Nov 5	221 d	7b
Sulphur	Apr 4	Oct 31	210 d	7b
Sweetwater	Apr 3	Nov 3	214 d	7b
Swink	Mar 15	Nov 15	245 d	8a