Cow Head, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 33.3 °F (low) to 41.4 °F (high). Annual precipitation averages 30.2 Inches. Cow Head is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -23.1 °F | -20.2 °F | 330.2 in. |
| February | -23.3 °F | -20.4 °F | 76.2 in. |
| March | -22.3 °F | -19.5 °F | 457.2 in. |
| April | -19.4 °F | -17.2 °F | 1066.8 in. |
| May | -16.9 °F | -14.3 °F | 1854.2 in. |
| June | -14 °F | -11.4 °F | 1651 in. |
| July | -11.4 °F | -8.8 °F | 2159 in. |
| August | -10.8 °F | -8.3 °F | 2540 in. |
| September | -12.8 °F | -10.4 °F | 3022.6 in. |
| October | -15.4 °F | -13.4 °F | 2743.2 in. |
| November | -18.2 °F | -16 °F | 2209.8 in. |
| December | -20.9 °F | -18.5 °F | 1371.6 in. |
| Annual | 33.3 °F | 41.4 °F | 30.21 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Normal |