| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | 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: | 45f - Northern Outer Piedmont |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 23059 - Glen Allen, VA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 28 | 35 | 43 | 53 | 61 | 66 | 65 | 58 | 45 | 36 | 29 | 45 |
| Avg Max Temp (°F) | 46 | 50 | 59 | 70 | 76 | 84 | 87 | 86 | 80 | 69 | 59 | 50 | 68 |
| Avg Precip (In.) | 3.76 | 3.16 | 4.18 | 3.23 | 4.13 | 3.41 | 4.28 | 3.91 | 4 | 3.53 | 3.3 | 3.32 | 44.2 |