Hobart, Washington has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 6 °C (low) to 15.4 °C (high). Annual precipitation averages 1404.6 Millimeters. Hobart is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.4 °C | 7.7 °C | 181.61 mm |
| February | 1.4 °C | 9.1 °C | 132.08 mm |
| March | 2.6 °C | 11.4 °C | 149.61 mm |
| April | 4.4 °C | 14.3 °C | 130.56 mm |
| May | 7.6 °C | 18.5 °C | 84.33 mm |
| June | 9.9 °C | 20.7 °C | 73.41 mm |
| July | 11.9 °C | 24.5 °C | 30.23 mm |
| August | 12.1 °C | 24.9 °C | 38.35 mm |
| September | 9.8 °C | 21.3 °C | 63.75 mm |
| October | 6.3 °C | 15.1 °C | 138.68 mm |
| November | 3.3 °C | 10.2 °C | 201.68 mm |
| December | 1.1 °C | 6.9 °C | 180.34 mm |
| Annual | 6 °C | 15.4 °C | 1404.63 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Normal |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |