Barview, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 45.7 °F (low) to 56.4 °F (high). Annual precipitation averages 61.5 Inches. 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 | 40.7 °F | 53.0 °F | 9.51 in. |
| February | 40.5 °F | 53.9 °F | 7.38 in. |
| March | 41.0 °F | 54.2 °F | 7.57 in. |
| April | 43.1 °F | 55.0 °F | 5.41 in. |
| May | 47.0 °F | 55.2 °F | 3.38 in. |
| June | 50.5 °F | 57.7 °F | 1.78 in. |
| July | 52.7 °F | 58.4 °F | 0.43 in. |
| August | 52.1 °F | 61.8 °F | 0.5 in. |
| September | 50.3 °F | 60.2 °F | 1.56 in. |
| October | 47.0 °F | 58.5 °F | 4.41 in. |
| November | 43.3 °F | 56.4 °F | 8.31 in. |
| December | 40.4 °F | 52.7 °F | 11.24 in. |
| Annual | 45.7 °F | 56.4 °F | 61.48 in. |
| 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 : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |