Whiteway, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 2.8 °C (low) to 8.2 °C (high). Annual precipitation averages 980 Millimeters. Whiteway 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.89 °C | -0.25 °C | 63 mm |
| February | -6.69 °C | -1.27 °C | 64 mm |
| March | -4.86 °C | -0.12 °C | 60 mm |
| April | -1.11 °C | 3.87 °C | 70 mm |
| May | 2.8 °C | 8.59 °C | 79 mm |
| June | 6.91 °C | 12.97 °C | 67 mm |
| July | 12 °C | 18.37 °C | 75 mm |
| August | 13.38 °C | 19.24 °C | 79 mm |
| September | 10.37 °C | 16.24 °C | 102 mm |
| October | 6.4 °C | 11.16 °C | 115 mm |
| November | 2.13 °C | 6.77 °C | 107 mm |
| December | -2.38 °C | 2.44 °C | 99 mm |
| Annual | 2.8 °C | 8.2 °C | 980 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| 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 |