Toledo, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.3 °C (low) to 15 °C (high). Annual precipitation averages 1954.3 Millimeters. Toledo is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.8 °C | 10.9 °C | 309.88 mm |
| February | 4.2 °C | 11.5 °C | 198.63 mm |
| March | 4.7 °C | 12 °C | 243.84 mm |
| April | 5.7 °C | 13.6 °C | 145.29 mm |
| May | 7.8 °C | 15.7 °C | 105.92 mm |
| June | 9.7 °C | 17.3 °C | 69.6 mm |
| July | 11 °C | 19.6 °C | 18.29 mm |
| August | 10.9 °C | 20.3 °C | 18.8 mm |
| September | 10.1 °C | 19.4 °C | 66.55 mm |
| October | 8.2 °C | 16.3 °C | 146.81 mm |
| November | 6.2 °C | 12.8 °C | 297.43 mm |
| December | 4.4 °C | 10.3 °C | 333.25 mm |
| Annual | 7.3 °C | 15 °C | 1954.29 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |