| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 6b: -5°F to 0°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Sep.11 - Sep. 20 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 20b - Shale and Sedimentary Basins | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 81423 - Norwood, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 11 | 17 | 24 | 29 | 37 | 45 | 50 | 50 | 43 | 33 | 21 | 13 | 31 |
| Avg Max Temp (°F) | 37 | 42 | 49 | 57 | 66 | 78 | 82 | 80 | 72 | 61 | 47 | 39 | 59 |
| Avg Precip (In.) | 1.1 | .77 | 1.26 | 1.19 | 1.3 | .89 | 1.92 | 1.9 | 1.67 | 1.74 | 1.42 | .89 | 16.05 |