Norris Arm, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 0.4 °C (low) to 8 °C (high). Annual precipitation averages 802 Millimeters. Norris Arm 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 Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.79 °C | -3.19 °C | 23 mm |
| February | -10.51 °C | -3.55 °C | 27 mm |
| March | -8.65 °C | -1.78 °C | 22 mm |
| April | -3.2 °C | 3.54 °C | 47 mm |
| May | 1.73 °C | 10.44 °C | 72 mm |
| June | 6.61 °C | 16.11 °C | 77 mm |
| July | 11.73 °C | 21.99 °C | 87 mm |
| August | 11.71 °C | 21.38 °C | 102 mm |
| September | 7.99 °C | 16.66 °C | 102 mm |
| October | 3.84 °C | 10.15 °C | 105 mm |
| November | -0.6 °C | 4.75 °C | 89 mm |
| December | -5.54 °C | -0.3 °C | 49 mm |
| Annual | 0.4 °C | 8 °C | 802 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Normal |