Myrtle Point, Oregon has a Warm-Summer Mediterranean Climate climate (Köppen classification: Csb). Average annual temperatures range from 7 °C (low) to 17.4 °C (high). Annual precipitation averages 1523.2 Millimeters. Myrtle Point 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.8 °C | 12.3 °C | 242.57 mm |
| February | 3.9 °C | 12.9 °C | 179.32 mm |
| March | 4.4 °C | 13.6 °C | 189.23 mm |
| April | 5.6 °C | 15.7 °C | 138.94 mm |
| May | 7.8 °C | 18.3 °C | 79.5 mm |
| June | 9.7 °C | 20.4 °C | 42.16 mm |
| July | 11.3 °C | 22.7 °C | 9.65 mm |
| August | 11.1 °C | 23.6 °C | 11.18 mm |
| September | 9.6 °C | 23.1 °C | 36.58 mm |
| October | 7.6 °C | 19.6 °C | 104.39 mm |
| November | 5.4 °C | 14.3 °C | 211.58 mm |
| December | 3.7 °C | 11.8 °C | 278.13 mm |
| Annual | 7 °C | 17.4 °C | 1523.23 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Csb - Warm-Summer Mediterranean Climate |