| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 9b: 25°F to 30°F | |
| 2012 Hardiness Zone: | Zone 8b: 15°F to 20°F Zone 9a: 20°F to 25°F Zone 8a: 10°F to 15°F Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9b: 25F to 30F | |
| Average First Frost Date: | Jan. 1 - Jan. 10 | |
| Average Last Frost Date: | Feb. 21 - Feb. 29 | |
| Koppen-Geiger Climate Zone: | Csb - Warm-Summer Mediterranean Climate | |
| Ecoregion: | ||
| Current Drought Status: | Moderate Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 95548 - Klamath, CA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 39 | 40 | 41 | 42 | 45 | 49 | 52 | 52 | 50 | 46 | 41 | 38 | 45 |
| Avg Max Temp (°F) | 54 | 56 | 57 | 58 | 61 | 65 | 68 | 68 | 68 | 64 | 57 | 54 | 61 |
| Avg Precip (In.) | 11.55 | 10.61 | 10.41 | 5.69 | 3.59 | 1.61 | .36 | .72 | 1.88 | 5.01 | 11.03 | 12.6 | 75.07 |