Oyen, Alberta climate data is summarized below. Average annual temperatures range from -2.4 °C (low) to 9.5 °C (high). Annual precipitation averages 395 Millimeters. Oyen is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.56 °C | -6.13 °C | 0 mm |
| February | -15.25 °C | -5.2 °C | 0 mm |
| March | -8.19 °C | 2.13 °C | 0 mm |
| April | -2.16 °C | 10.41 °C | 31 mm |
| May | 3.64 °C | 17.45 °C | 58 mm |
| June | 8.53 °C | 20.92 °C | 124 mm |
| July | 11.48 °C | 24.96 °C | 74 mm |
| August | 10.23 °C | 24.19 °C | 54 mm |
| September | 5.09 °C | 19.75 °C | 31 mm |
| October | -0.81 °C | 11.47 °C | 23 mm |
| November | -8.29 °C | 1.14 °C | 0 mm |
| December | -16.71 °C | -7.49 °C | 0 mm |
| Annual | -2.4 °C | 9.5 °C | 395 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |