Neah Bay, Washington has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 7.2 °C (low) to 12.5 °C (high). Annual precipitation averages 2633 Millimeters. Neah Bay is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4 °C | 8.5 °C | 413.51 mm |
| February | 3.8 °C | 9.3 °C | 257.56 mm |
| March | 4.4 °C | 10.3 °C | 304.55 mm |
| April | 5.8 °C | 11.9 °C | 191.01 mm |
| May | 8 °C | 13.8 °C | 103.89 mm |
| June | 10 °C | 15.3 °C | 78.74 mm |
| July | 11.4 °C | 16.7 °C | 46.23 mm |
| August | 11.6 °C | 16.4 °C | 69.6 mm |
| September | 10.3 °C | 15.6 °C | 107.95 mm |
| October | 8.2 °C | 13.2 °C | 271.27 mm |
| November | 5.7 °C | 10.7 °C | 399.29 mm |
| December | 3.7 °C | 8.4 °C | 389.38 mm |
| Annual | 7.2 °C | 12.5 °C | 2632.98 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |