| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 21 - May 31 | |
| Koppen-Geiger Climate Zone: | Dsa - Humid Continental Climate - Dry Warm Summer | |
| Ecoregion: | 13f - Moist Wasatch Front Footslopes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 84040 - Layton, UT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 22 | 29 | 34 | 43 | 50 | 57 | 56 | 47 | 37 | 26 | 19 | 37 |
| Avg Max Temp (°F) | 35 | 42 | 50 | 57 | 68 | 78 | 87 | 86 | 76 | 62 | 46 | 37 | 60 |
| Avg Precip (In.) | 2.54 | 2.23 | 2.68 | 2.65 | 2.86 | 1.34 | .89 | 1.04 | 1.59 | 2.3 | 2.1 | 2.21 | 24.44 |