Bend, California has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 9.4 °C (low) to 23.9 °C (high). Annual precipitation averages 671.3 Millimeters. Bend is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.1 °C | 13.6 °C | 129.54 mm |
| February | 4.3 °C | 15.8 °C | 110.24 mm |
| March | 5.8 °C | 18.5 °C | 89.15 mm |
| April | 7.6 °C | 21.4 °C | 44.2 mm |
| May | 11.4 °C | 26.4 °C | 32 mm |
| June | 15.4 °C | 31.7 °C | 15.24 mm |
| July | 17.5 °C | 35.6 °C | 1.02 mm |
| August | 16.3 °C | 34.8 °C | 1.78 mm |
| September | 13.9 °C | 32.2 °C | 8.64 mm |
| October | 9.7 °C | 25.7 °C | 35.56 mm |
| November | 5.3 °C | 18.1 °C | 69.09 mm |
| December | 2.9 °C | 13.1 °C | 134.87 mm |
| Annual | 9.4 °C | 23.9 °C | 671.33 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |