Washington frost dates: G
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Galvin | Apr 22 | Oct 27 | 188 d | 8b |
| Garfield | May 15 | Sep 21 | 129 d | 6b |
| George | Apr 21 | Oct 16 | 178 d | 7a |
| Gifford | May 16 | Sep 15 | 122 d | 6b |
| Gig Harbor | Mar 11 | Nov 21 | 255 d | 8b |
| Glenoma | Apr 24 | Oct 15 | 174 d | 8a |
| Glenwood | frost any month | 7a | ||
| Gold Bar | Apr 15 | Oct 25 | 193 d | 8a |
| Goldendale | May 19 | Sep 25 | 129 d | 7a |
| Graham | Apr 11 | Oct 30 | 202 d | 8b |
| Grand Coulee | Apr 22 | Oct 21 | 182 d | 7a |
| Grandview | May 1 | Oct 6 | 158 d | 7b |
| Granger | Apr 30 | Oct 8 | 161 d | 7a |
| Granite Falls | Apr 22 | Oct 19 | 180 d | 8a |
| Grapeview | Mar 24 | Nov 15 | 236 d | 8b |
| Grayland | Mar 29 | Nov 7 | 223 d | 9a |
| Grays River | Apr 27 | Oct 22 | 178 d | 8b |
| Greenacres | Apr 26 | Oct 15 | 172 d | 6b |
| Greenbank | Mar 1 | Nov 28 | 272 d | 8b |