Barview, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7.6 °C (low) to 13.6 °C (high). Annual precipitation averages 1561.6 Millimeters. Barview is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.8 °C | 11.7 °C | 241.55 mm |
| February | 4.7 °C | 12.2 °C | 187.45 mm |
| March | 5 °C | 12.3 °C | 192.28 mm |
| April | 6.2 °C | 12.8 °C | 137.41 mm |
| May | 8.3 °C | 12.9 °C | 85.85 mm |
| June | 10.3 °C | 14.3 °C | 45.21 mm |
| July | 11.5 °C | 14.7 °C | 10.92 mm |
| August | 11.2 °C | 16.6 °C | 12.7 mm |
| September | 10.2 °C | 15.7 °C | 39.62 mm |
| October | 8.3 °C | 14.7 °C | 112.01 mm |
| November | 6.3 °C | 13.6 °C | 211.07 mm |
| December | 4.7 °C | 11.5 °C | 285.5 mm |
| Annual | 7.6 °C | 13.6 °C | 1561.57 mm |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |