Stratford, Prince Edward Island climate data is summarized below. Average annual temperatures range from 2.8 °C (low) to 10.4 °C (high). Annual precipitation averages 944 Millimeters. Stratford is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.96 °C | -2.52 °C | 19 mm |
| February | -10.12 °C | -2.38 °C | 6 mm |
| March | -7.22 °C | 0.69 °C | 30 mm |
| April | -0.68 °C | 7.25 °C | 62 mm |
| May | 5.19 °C | 13.75 °C | 86 mm |
| June | 10.37 °C | 18.83 °C | 101 mm |
| July | 15.56 °C | 24.02 °C | 104 mm |
| August | 15.61 °C | 23.52 °C | 125 mm |
| September | 11.49 °C | 19.17 °C | 112 mm |
| October | 6.43 °C | 13.16 °C | 102 mm |
| November | 1.21 °C | 7.36 °C | 103 mm |
| December | -4.89 °C | 1.25 °C | 94 mm |
| Annual | 2.8 °C | 10.4 °C | 944 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |