Creswell, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.5 °C (low) to 17.8 °C (high). Annual precipitation averages 1084.1 Millimeters. Creswell is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.4 °C | 8.9 °C | 149.35 mm |
| February | 1.6 °C | 11.1 °C | 120.65 mm |
| March | 2.6 °C | 13.6 °C | 125.48 mm |
| April | 4.2 °C | 16.3 °C | 102.36 mm |
| May | 6.7 °C | 20.1 °C | 66.29 mm |
| June | 8.9 °C | 23.2 °C | 38.86 mm |
| July | 10.9 °C | 28 °C | 10.16 mm |
| August | 10.7 °C | 28.4 °C | 10.41 mm |
| September | 8.6 °C | 25.2 °C | 31.5 mm |
| October | 5.8 °C | 18.5 °C | 87.63 mm |
| November | 3.4 °C | 11.8 °C | 154.69 mm |
| December | 1.4 °C | 8.2 °C | 186.69 mm |
| Annual | 5.5 °C | 17.8 °C | 1084.07 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |