Crawfordsville, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.8 °C (low) to 17.5 °C (high). Annual precipitation averages 1220.7 Millimeters. Crawfordsville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.6 °C | 8.6 °C | 164.59 mm |
| February | 1.7 °C | 10.7 °C | 129.79 mm |
| March | 2.9 °C | 13.2 °C | 140.21 mm |
| April | 4.5 °C | 16 °C | 113.03 mm |
| May | 7.2 °C | 19.8 °C | 78.74 mm |
| June | 9.4 °C | 22.9 °C | 49.78 mm |
| July | 11.4 °C | 27.9 °C | 11.68 mm |
| August | 11.1 °C | 28.6 °C | 13.46 mm |
| September | 9.1 °C | 25.1 °C | 44.45 mm |
| October | 6 °C | 18.2 °C | 104.9 mm |
| November | 3.5 °C | 11.5 °C | 172.97 mm |
| December | 1.4 °C | 8 °C | 197.1 mm |
| Annual | 5.8 °C | 17.5 °C | 1220.7 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 |