| 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 7b: 5°F to 10°F Zone 7a: 0°F to 5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | Jun. 11 - Jun. 20 | |
| Koppen-Geiger Climate Zone: | Csa - Hot-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 93546 - Mammoth Lakes, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 16 | 21 | 23 | 30 | 35 | 41 | 41 | 34 | 26 | 21 | 16 | 27 |
| Avg Max Temp (°F) | 41 | 43 | 48 | 51 | 58 | 70 | 78 | 78 | 69 | 60 | 49 | 43 | 57 |
| Avg Precip (In.) | 4.85 | 5.05 | 3.93 | 1.74 | 1.35 | .4 | .43 | .26 | .85 | 1.84 | 2.07 | 4.16 | 26.92 |