Sunnyside, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.1 °C (low) to 8.1 °C (high). Annual precipitation averages 983 Millimeters. 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 | -7.2 °C | -0.98 °C | 58 mm |
| February | -8.03 °C | -1.85 °C | 57 mm |
| March | -6.01 °C | -0.53 °C | 53 mm |
| April | -1.64 °C | 3.76 °C | 69 mm |
| May | 2.65 °C | 9.04 °C | 81 mm |
| June | 6.95 °C | 13.63 °C | 73 mm |
| July | 11.93 °C | 18.86 °C | 75 mm |
| August | 13.04 °C | 19.64 °C | 86 mm |
| September | 9.82 °C | 16.34 °C | 108 mm |
| October | 5.7 °C | 10.93 °C | 117 mm |
| November | 1.4 °C | 6.37 °C | 111 mm |
| December | -3.39 °C | 1.83 °C | 95 mm |
| Annual | 2.1 °C | 8.1 °C | 983 mm |
| 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 : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |