| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 67a - Northern Limestone/Dolomite Valleys | |
| Current Drought Status: | Moderate Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 22624 - Clear Brook, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 23 | 31 | 40 | 50 | 58 | 63 | 61 | 54 | 41 | 33 | 25 | 42 |
| Avg Max Temp (°F) | 40 | 44 | 54 | 65 | 74 | 82 | 87 | 85 | 78 | 67 | 56 | 45 | 65 |
| Avg Precip (In.) | 2.75 | 2.42 | 3.35 | 3.1 | 3.96 | 3.87 | 3.83 | 3.51 | 3.49 | 3.25 | 3.1 | 2.65 | 39.27 |