Creswell, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 41.9 °F (low) to 64 °F (high). Annual precipitation averages 42.7 Inches. 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 | 34.6 °F | 48.1 °F | 5.88 in. |
| February | 34.9 °F | 52.0 °F | 4.75 in. |
| March | 36.6 °F | 56.4 °F | 4.94 in. |
| April | 39.5 °F | 61.3 °F | 4.03 in. |
| May | 44.1 °F | 68.1 °F | 2.61 in. |
| June | 48.1 °F | 73.7 °F | 1.53 in. |
| July | 51.7 °F | 82.4 °F | 0.4 in. |
| August | 51.2 °F | 83.2 °F | 0.41 in. |
| September | 47.5 °F | 77.4 °F | 1.24 in. |
| October | 42.4 °F | 65.3 °F | 3.45 in. |
| November | 38.1 °F | 53.3 °F | 6.09 in. |
| December | 34.5 °F | 46.7 °F | 7.35 in. |
| Annual | 41.9 °F | 64 °F | 42.68 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |