| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 63b - Chesapeake-Pamlico Lowlands and Tidal Marshes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 22443 - Colonial Beach, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 36 | 45 | 55 | 64 | 68 | 67 | 61 | 48 | 40 | 31 | 47 |
| Avg Max Temp (°F) | 47 | 50 | 59 | 70 | 78 | 86 | 90 | 88 | 82 | 71 | 61 | 51 | 69 |
| Avg Precip (In.) | 3.45 | 3.01 | 4.04 | 3.07 | 4.38 | 3.51 | 4.51 | 3.75 | 3.75 | 3.24 | 2.96 | 3.26 | 42.94 |