Reedsport, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7 °C (low) to 15.9 °C (high). Annual precipitation averages 1765.8 Millimeters. Reedsport 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 11.4 °C | 266.7 mm |
| February | 3.9 °C | 12.3 °C | 212.09 mm |
| March | 4.5 °C | 13.1 °C | 219.46 mm |
| April | 5.6 °C | 14.6 °C | 159.51 mm |
| May | 7.7 °C | 16.7 °C | 94.49 mm |
| June | 9.7 °C | 18.9 °C | 63.25 mm |
| July | 11.1 °C | 20.4 °C | 11.43 mm |
| August | 11 °C | 20.9 °C | 14.22 mm |
| September | 9.7 °C | 20.6 °C | 42.93 mm |
| October | 7.8 °C | 17.7 °C | 121.16 mm |
| November | 5.5 °C | 13.4 °C | 250.95 mm |
| December | 3.7 °C | 10.9 °C | 309.63 mm |
| Annual | 7 °C | 15.9 °C | 1765.82 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |