Trout River, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 35.1 °F (low) to 42.2 °F (high). Annual precipitation averages 33.4 Inches. Trout River 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 | -22.2 °F | -19.7 °F | 558.8 in. |
| February | -22.6 °F | -20 °F | 279.4 in. |
| March | -21.7 °F | -19.3 °F | 685.8 in. |
| April | -19.1 °F | -17.2 °F | 1295.4 in. |
| May | -16.5 °F | -14.3 °F | 1930.4 in. |
| June | -13.6 °F | -11.5 °F | 1625.6 in. |
| July | -11 °F | -8.9 °F | 2286 in. |
| August | -10.2 °F | -8.1 °F | 2743.2 in. |
| September | -12.2 °F | -10.1 °F | 3073.4 in. |
| October | -14.8 °F | -13 °F | 2819.4 in. |
| November | -17.6 °F | -15.6 °F | 2590.8 in. |
| December | -20.3 °F | -18.1 °F | 1651 in. |
| Annual | 35.1 °F | 42.2 °F | 33.38 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 |