| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 72d - Upper Mississippi Alluvial Plain |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 63343 - Elsberry, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 24 | 33 | 42 | 52 | 61 | 66 | 64 | 55 | 44 | 34 | 23 | 43 |
| Avg Max Temp (°F) | 38 | 45 | 57 | 69 | 77 | 86 | 90 | 88 | 81 | 70 | 55 | 42 | 67 |
| Avg Precip (In.) | 1.95 | 2.01 | 3.49 | 3.83 | 4.16 | 3.5 | 3.52 | 3.26 | 3.29 | 2.85 | 3.52 | 2.95 | 38.33 |