West Virginia frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Baisden | Apr 15 | Oct 27 | 195 d | 7a |
| Baker | May 3 | Oct 12 | 162 d | 6b |
| Bakerton | Apr 20 | Oct 22 | 185 d | 7a |
| Ballard | Apr 10 | Oct 30 | 203 d | 7a |
| Bancroft | Apr 18 | Oct 30 | 195 d | 7a |
| Barboursville | Apr 8 | Nov 1 | 207 d | 7a |
| Barrackville | Apr 18 | Oct 28 | 193 d | 6b |
| Bartley | Apr 27 | Oct 18 | 174 d | 7a |
| Bartow | May 9 | Oct 5 | 149 d | 5b |
| Baxter | Apr 18 | Oct 28 | 193 d | 6b |
| Bayard | May 13 | Oct 3 | 143 d | 6a |
| Beaver | Apr 22 | Oct 21 | 182 d | 6b |
| Beckley | May 6 | Oct 10 | 157 d | 6b |
| Beech Bottom | Apr 23 | Oct 25 | 185 d | 7a |
| Beeson | Apr 24 | Oct 20 | 179 d | 7a |
| Belington | May 6 | Oct 13 | 160 d | 6a |
| Belle | Apr 7 | Nov 4 | 211 d | 7a |
| Belleville | May 1 | Oct 14 | 166 d | 6b |
| Belmont | Apr 23 | Oct 26 | 186 d | 6b |
| Belva | Apr 22 | Oct 22 | 183 d | 7a |
| Benwood | Apr 20 | Oct 29 | 192 d | 6b |
| Berea | Apr 26 | Oct 17 | 174 d | 6b |
| Bergoo | May 4 | Oct 12 | 161 d | 6a |
| Berkeley Springs | Apr 23 | Oct 21 | 181 d | 7a |
| Berwind | Apr 27 | Oct 18 | 174 d | 7a |
| Bethany | Apr 23 | Oct 25 | 185 d | 6b |
| Beverly | May 5 | Oct 12 | 160 d | 6a |
| Bickmore | Apr 27 | Oct 19 | 175 d | 6b |
| Big Bend | Apr 26 | Oct 20 | 177 d | 6b |
| Big Creek | Apr 8 | Nov 2 | 208 d | 7a |
| Big Run | May 3 | Oct 10 | 160 d | 6b |
| Big Sandy | Apr 15 | Oct 27 | 195 d | 7a |
| Big Springs | Apr 26 | Oct 20 | 177 d | 6b |
| Bim | Apr 16 | Oct 27 | 194 d | 7a |
| Birch River | Apr 22 | Oct 28 | 189 d | 6b |
| Blacksville | May 4 | Oct 12 | 161 d | 6b |
| Blair | Apr 8 | Nov 2 | 208 d | 7a |
| Bloomery | Apr 23 | Oct 21 | 181 d | 7a |
| Bloomingrose | Apr 16 | Oct 27 | 194 d | 7a |
| Blount | Apr 7 | Nov 4 | 211 d | 7a |
| Blue Creek | Apr 21 | Oct 28 | 190 d | 7a |
| Bluefield | Apr 30 | Oct 15 | 168 d | 7a |
| Bob White | Apr 16 | Oct 27 | 194 d | 7a |
| Bolt | May 6 | Oct 10 | 157 d | 6b |
| Bomont | Apr 21 | Oct 28 | 190 d | 7a |
| Boomer | Apr 7 | Nov 4 | 211 d | 7a |
| Borderland | Apr 8 | Nov 2 | 208 d | 7a |
| Bowden | May 15 | Oct 3 | 141 d | 6a |
| Bradley | Apr 22 | Oct 21 | 182 d | 6b |
| Bradshaw | Apr 21 | Oct 26 | 188 d | 7a |
| Bramwell | Apr 24 | Oct 17 | 176 d | 7a |
| Branchland | Apr 23 | Oct 21 | 181 d | 7a |
| Brandywine | Apr 30 | Oct 11 | 164 d | 6b |
| Breeden | Apr 13 | Oct 26 | 196 d | 7a |
| Brenton | Apr 16 | Oct 28 | 195 d | 7a |
| Bretz | Apr 23 | Oct 24 | 184 d | 6b |
| Bridgeport | Apr 18 | Oct 24 | 189 d | 6b |
| Brohard | Apr 29 | Oct 19 | 173 d | 6b |
| Bruceton Mills | May 9 | Oct 11 | 155 d | 6a |
| Bruno | Apr 15 | Oct 27 | 195 d | 7a |
| Buckeye | May 3 | Oct 14 | 164 d | 6b |
| Buckhannon | Apr 29 | Oct 20 | 174 d | 6b |
| Bud | Apr 24 | Oct 20 | 179 d | 7a |
| Buffalo | Apr 18 | Oct 30 | 195 d | 7a |
| Bunker Hill | Apr 20 | Oct 22 | 185 d | 7a |
| Burlington | Apr 30 | Oct 15 | 168 d | 7a |
| Burnsville | Apr 22 | Oct 28 | 189 d | 6b |
| Burton | May 4 | Oct 12 | 161 d | 6a |