Botwood, Newfoundland and Labrador climate data is summarized below. Average annual temperatures range from 0.4 °C (low) to 8 °C (high). Annual precipitation averages 805 Millimeters. Botwood 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 Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.8 °C | -3.29 °C | 22 mm |
| February | -10.48 °C | -3.63 °C | 27 mm |
| March | -8.64 °C | -1.85 °C | 22 mm |
| April | -3.16 °C | 3.48 °C | 48 mm |
| May | 1.71 °C | 10.36 °C | 72 mm |
| June | 6.61 °C | 16.08 °C | 77 mm |
| July | 11.73 °C | 21.98 °C | 88 mm |
| August | 11.73 °C | 21.37 °C | 103 mm |
| September | 8 °C | 16.63 °C | 103 mm |
| October | 3.85 °C | 10.12 °C | 106 mm |
| November | -0.62 °C | 4.67 °C | 88 mm |
| December | -5.57 °C | -0.39 °C | 49 mm |
| Annual | 0.4 °C | 8 °C | 805 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| 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 |