Nebraska frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Bancroft | May 1 | Oct 6 | 158 d | 5a |
| Barneston | Apr 22 | Oct 20 | 181 d | 6a |
| Bartlett | May 4 | Oct 8 | 157 d | 5a |
| Bartley | May 3 | Oct 5 | 155 d | 5b |
| Bassett | May 6 | Oct 1 | 148 d | 5a |
| Battle Creek | May 1 | Oct 4 | 156 d | 5b |
| Bayard | May 8 | Oct 3 | 148 d | 5a |
| Beatrice | Apr 24 | Oct 15 | 174 d | 6a |
| Beaver City | May 4 | Oct 4 | 153 d | 5b |
| Beaver Crossing | Apr 26 | Oct 13 | 170 d | 5b |
| Bee | Apr 26 | Oct 12 | 169 d | 5b |
| Beemer | Apr 28 | Oct 12 | 167 d | 5b |
| Belden | May 2 | Oct 4 | 155 d | 5a |
| Belgrade | May 1 | Oct 5 | 157 d | 5b |
| Bellevue | Apr 17 | Oct 19 | 185 d | 5b |
| Bellwood | Apr 21 | Oct 15 | 177 d | 5b |
| Belvidere | Apr 24 | Oct 15 | 174 d | 6a |
| Benedict | Apr 29 | Oct 13 | 167 d | 5b |
| Benkelman | Apr 30 | Oct 12 | 165 d | 5b |
| Bennet | Apr 27 | Oct 10 | 166 d | 6a |
| Bennington | Apr 19 | Oct 17 | 181 d | 6a |
| Bertrand | Apr 26 | Oct 13 | 170 d | 6a |
| Big Springs | May 10 | Oct 3 | 146 d | 5b |
| Bingham | May 14 | Oct 2 | 141 d | 5a |
| Bladen | May 1 | Oct 5 | 157 d | 5b |
| Blair | Apr 22 | Oct 17 | 178 d | 5b |
| Bloomfield | Apr 30 | Oct 8 | 161 d | 5b |
| Bloomington | Apr 30 | Oct 8 | 161 d | 6a |
| Blue Hill | May 1 | Oct 5 | 157 d | 5b |
| Blue Springs | Apr 22 | Oct 20 | 181 d | 6a |
| Boelus | May 4 | Oct 3 | 152 d | 5b |
| Boys Town | Apr 21 | Oct 18 | 180 d | 6a |
| Bradshaw | Apr 29 | Oct 13 | 167 d | 5b |
| Brady | May 2 | Oct 10 | 161 d | 5b |
| Brainard | Apr 26 | Oct 11 | 168 d | 5b |
| Brewster | May 6 | Oct 3 | 150 d | 5a |
| Bridgeport | May 8 | Oct 3 | 148 d | 5a |
| Bristow | Apr 27 | Oct 13 | 169 d | 5a |
| Broadwater | May 13 | Sep 28 | 138 d | 5a |
| Brock | Apr 26 | Oct 10 | 167 d | 5b |
| Broken Bow | May 1 | Oct 7 | 159 d | 5b |
| Brownville | Apr 24 | Oct 10 | 169 d | 5b |
| Brule | May 10 | Oct 3 | 146 d | 5b |
| Bruning | Apr 24 | Oct 15 | 174 d | 6a |
| Bruno | Apr 26 | Oct 11 | 168 d | 5b |
| Brunswick | Apr 30 | Oct 6 | 159 d | 5b |
| Burchard | Apr 22 | Oct 20 | 181 d | 6a |
| Burr | Apr 25 | Oct 11 | 169 d | 5b |
| Burwell | May 4 | Oct 5 | 154 d | 5a |
| Bushnell | May 10 | Oct 1 | 144 d | 5a |
| Butte | May 4 | Oct 6 | 155 d | 5a |
| Byron | Apr 24 | Oct 15 | 174 d | 6a |