Garibaldi, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 44.6 °F (low) to 57.4 °F (high). Annual precipitation averages 95.9 Inches. Garibaldi is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.4 °F | 50.3 °F | 14.05 in. |
| February | 38.9 °F | 51.4 °F | 10.17 in. |
| March | 39.6 °F | 53.2 °F | 10.84 in. |
| April | 41.5 °F | 54.8 °F | 8.02 in. |
| May | 45.8 °F | 58.3 °F | 4.82 in. |
| June | 49.6 °F | 61.5 °F | 3.49 in. |
| July | 52.2 °F | 64.9 °F | 1.02 in. |
| August | 52.2 °F | 65.5 °F | 1.45 in. |
| September | 49.7 °F | 64.7 °F | 3.43 in. |
| October | 45.8 °F | 59.8 °F | 8.56 in. |
| November | 41.9 °F | 54.2 °F | 14.54 in. |
| December | 39.1 °F | 49.6 °F | 15.53 in. |
| Annual | 44.6 °F | 57.4 °F | 95.92 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |