New York frost dates: R
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Rainbow Lake | Jun 2 | Sep 9 | 99 d | 4a |
| Randolph | May 17 | Oct 1 | 137 d | 5b |
| Ransomville | Apr 29 | Oct 28 | 182 d | 6b |
| Raquette Lake | May 21 | Sep 24 | 126 d | 4a |
| Ravena | May 3 | Oct 12 | 162 d | 6a |
| Ray Brook | May 21 | Sep 24 | 126 d | 4a |
| Raymondville | May 8 | Oct 1 | 146 d | 4b |
| Reading Center | May 10 | Oct 8 | 151 d | 6b |
| Red Creek | Apr 27 | Oct 24 | 180 d | 6a |
| Red Hook | May 14 | Sep 28 | 137 d | 6a |
| Redfield | May 22 | Sep 26 | 127 d | 4b |
| Redford | May 6 | Oct 11 | 158 d | 4b |
| Redwood | May 14 | Sep 26 | 135 d | 5a |
| Rego Park | Mar 26 | Nov 25 | 244 d | 7b |
| Remsen | May 4 | Oct 13 | 162 d | 5a |
| Remsenburg | May 7 | Oct 14 | 160 d | 7a |
| Rensselaer | Apr 19 | Oct 26 | 190 d | 6a |
| Rensselaer Falls | May 9 | Sep 30 | 144 d | 4b |
| Rensselaerville | May 3 | Oct 12 | 162 d | 5b |
| Retsof | Apr 30 | Oct 17 | 170 d | 6a |
| Rexford | Apr 27 | Oct 15 | 171 d | 6a |
| Rexville | May 15 | Oct 2 | 140 d | 5b |
| Rhinebeck | May 14 | Sep 28 | 137 d | 6a |
| Rhinecliff | May 14 | Sep 28 | 137 d | 6a |
| Richburg | May 4 | Oct 14 | 163 d | 5b |
| Richfield Springs | May 7 | Oct 7 | 153 d | 5b |
| Richford | May 13 | Oct 4 | 144 d | 5b |
| Richland | May 10 | Oct 14 | 157 d | 5a |
| Richmond Hill | Apr 2 | Nov 14 | 226 d | 7b |
| Richmondville | May 9 | Oct 4 | 148 d | 5b |
| Richville | May 14 | Sep 26 | 135 d | 4b |
| Ridge | Apr 21 | Oct 24 | 186 d | 7a |
| Ridgewood | Mar 26 | Nov 25 | 244 d | 7b |
| Rifton | Apr 21 | Oct 27 | 189 d | 6b |
| Riparius | May 23 | Sep 27 | 127 d | 4b |
| Ripley | Apr 21 | Nov 5 | 198 d | 6a |
| Riverhead | Apr 6 | Nov 9 | 217 d | 7a |
| Rochester | Apr 24 | Oct 25 | 184 d | 6b |
| Rock City Falls | May 2 | Oct 7 | 158 d | 5b |
| Rock Hill | May 7 | Oct 7 | 153 d | 6a |
| Rock Stream | May 10 | Oct 8 | 151 d | 6a |
| Rock Tavern | May 1 | Oct 11 | 163 d | 6b |
| Rockaway Park | Apr 2 | Nov 14 | 226 d | 7b |
| Rockville Centre | Apr 7 | Nov 8 | 215 d | 7b |
| Rocky Point | Apr 4 | Nov 7 | 217 d | 7b |
| Rodman | May 2 | Oct 13 | 164 d | 4b |
| Rome | May 6 | Oct 13 | 160 d | 5b |
| Romulus | May 1 | Oct 21 | 173 d | 6b |
| Ronkonkoma | Apr 10 | Nov 2 | 206 d | 7b |
| Roosevelt | Apr 7 | Nov 8 | 215 d | 7b |
| Rooseveltown | May 8 | Oct 1 | 146 d | 5a |
| Roscoe | May 15 | Oct 3 | 141 d | 5b |
| Rose | May 6 | Oct 10 | 157 d | 6b |
| Roseboom | May 7 | Oct 7 | 153 d | 5b |
| Rosedale | Apr 2 | Nov 14 | 226 d | 7b |
| Rosendale | Apr 21 | Oct 27 | 189 d | 6b |
| Roslyn | Apr 2 | Nov 12 | 224 d | 7b |
| Roslyn Heights | Apr 2 | Nov 12 | 224 d | 7b |
| Rotterdam Junction | May 7 | Oct 7 | 153 d | 6a |
| Round Lake | May 2 | Oct 7 | 158 d | 6a |
| Round Top | Apr 29 | Oct 14 | 168 d | 6a |
| Rouses Point | Apr 30 | Oct 12 | 165 d | 5a |
| Roxbury | May 18 | Oct 2 | 137 d | 5a |
| Ruby | May 9 | Oct 4 | 148 d | 6a |
| Rush | May 3 | Oct 15 | 165 d | 6a |
| Rushford | May 14 | Oct 6 | 145 d | 5b |
| Rushville | Apr 29 | Oct 22 | 176 d | 6a |
| Russell | May 9 | Sep 30 | 144 d | 4b |
| Rye | Apr 12 | Oct 31 | 202 d | 7b |