| 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: | 47f - Rolling Loess Prairies | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 64098 - Weston, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 22 | 32 | 42 | 53 | 63 | 67 | 65 | 56 | 44 | 32 | 21 | 43 |
| Avg Max Temp (°F) | 37 | 44 | 55 | 66 | 76 | 85 | 89 | 88 | 80 | 69 | 53 | 41 | 65 |
| Avg Precip (In.) | 1.12 | 1.23 | 2.64 | 3.5 | 5.29 | 4.68 | 4.77 | 3.89 | 4.72 | 3.41 | 2.54 | 1.54 | 39.34 |