Jackson's Arm, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from -0.7 °C (low) to 5.9 °C (high). Annual precipitation averages 711 Millimeters. Jackson's Arm is located in USDA Plant Hardiness Zone 4a. 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 | -11.19 °C | -4.94 °C | 7 mm |
| February | -11.34 °C | -5.05 °C | 9 mm |
| March | -9.39 °C | -3.09 °C | 17 mm |
| April | -3.86 °C | 1.82 °C | 40 mm |
| May | 0.42 °C | 7.96 °C | 66 mm |
| June | 5.63 °C | 13.7 °C | 70 mm |
| July | 10.45 °C | 19.01 °C | 87 mm |
| August | 10.72 °C | 18.64 °C | 100 mm |
| September | 6.94 °C | 14.1 °C | 106 mm |
| October | 2.64 °C | 7.94 °C | 100 mm |
| November | -1.99 °C | 2.77 °C | 68 mm |
| December | -6.94 °C | -2 °C | 41 mm |
| Annual | -0.7 °C | 5.9 °C | 711 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 4a : -34.4°C to -31.7°C |
| Current Drought Conditions | Normal |