| 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 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5a: -20°F to -15°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 20c - Semiarid Benchlands and Canyonlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 81522 - Gateway, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 23 | 31 | 37 | 45 | 53 | 59 | 57 | 49 | 37 | 26 | 19 | 38 |
| Avg Max Temp (°F) | 41 | 48 | 56 | 64 | 73 | 84 | 89 | 87 | 79 | 67 | 52 | 42 | 65 |
| Avg Precip (In.) | .79 | .64 | 1.21 | 1.07 | 1.14 | .55 | 1.07 | 1.21 | 1.04 | 1.26 | 1.04 | .65 | 11.67 |