New Mexico frost dates: R
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Radium Springs | Apr 24 | Oct 24 | 183 d | 8a |
| Rainsville | May 28 | Sep 26 | 121 d | 6a |
| Ramah | Jun 3 | Sep 27 | 116 d | 6a |
| Ranchos De Taos | May 19 | Oct 3 | 137 d | 6a |
| Raton | May 19 | Sep 29 | 133 d | 6a |
| Red River | Jun 19 | Sep 7 | 80 d | 6a |
| Redrock | Apr 30 | Oct 23 | 176 d | 7b |
| Regina | May 28 | Sep 27 | 122 d | 5b |
| Rehoboth | May 11 | Oct 7 | 149 d | 6a |
| Reserve | May 30 | Oct 3 | 126 d | 6a |
| Ribera | Apr 24 | Oct 20 | 179 d | 6b |
| Rincon | Apr 24 | Oct 24 | 183 d | 8a |
| Rio Rancho | Apr 8 | Nov 1 | 207 d | 7b |
| Rociada | May 28 | Sep 26 | 121 d | 6b |
| Rodeo | May 3 | Oct 25 | 175 d | 8a |
| Rogers | Apr 23 | Oct 21 | 181 d | 7b |
| Roswell | Mar 29 | Nov 7 | 223 d | 7b |
| Roswell (Chaves) | Apr 20 | Oct 20 | 183 d | 7b |
| Rowe | May 15 | Oct 3 | 141 d | 6b |
| Roy | Apr 30 | Oct 15 | 168 d | 6b |
| Ruidoso | May 11 | Oct 5 | 147 d | 7a |
| Ruidoso Downs | May 11 | Oct 5 | 147 d | 7a |