Venersborg, Washington has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 5.3 °C (low) to 16.1 °C (high). Annual precipitation averages 1663.7 Millimeters. Venersborg is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.6 °C | 6.9 °C | 224.28 mm |
| February | 0.7 °C | 9.3 °C | 166.62 mm |
| March | 1.9 °C | 12 °C | 185.17 mm |
| April | 3.8 °C | 15.2 °C | 143.51 mm |
| May | 6.8 °C | 19.1 °C | 108.97 mm |
| June | 9.1 °C | 21.6 °C | 76.96 mm |
| July | 11.3 °C | 25.7 °C | 22.35 mm |
| August | 11.3 °C | 26.5 °C | 26.92 mm |
| September | 8.9 °C | 23.5 °C | 70.1 mm |
| October | 5.5 °C | 16.8 °C | 161.29 mm |
| November | 2.7 °C | 10.4 °C | 226.06 mm |
| December | 0.5 °C | 6.6 °C | 251.46 mm |
| Annual | 5.3 °C | 16.1 °C | 1663.69 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |