Sunnyside, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 35.8 °F (low) to 46.6 °F (high). Annual precipitation averages 38.7 Inches. Sunnyside is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.8 °F | -18.3 °F | 1473.2 in. |
| February | -22.2 °F | -18.8 °F | 1447.8 in. |
| March | -21.1 °F | -18.1 °F | 1346.2 in. |
| April | -18.7 °F | -15.7 °F | 1752.6 in. |
| May | -16.3 °F | -12.8 °F | 2057.4 in. |
| June | -13.9 °F | -10.2 °F | 1854.2 in. |
| July | -11.2 °F | -7.3 °F | 1905 in. |
| August | -10.5 °F | -6.9 °F | 2184.4 in. |
| September | -12.3 °F | -8.7 °F | 2743.2 in. |
| October | -14.6 °F | -11.7 °F | 2971.8 in. |
| November | -17 °F | -14.2 °F | 2819.4 in. |
| December | -19.7 °F | -16.8 °F | 2413 in. |
| Annual | 35.8 °F | 46.6 °F | 38.7 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |