Oyen, Alberta climate data is summarized below. Average annual temperatures range from 27.8 °F (low) to 49 °F (high). Annual precipitation averages 15.6 Inches. 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 | -26.4 °F | -21.2 °F | 0 in. |
| February | -26.3 °F | -20.7 °F | 0 in. |
| March | -22.3 °F | -16.6 °F | 0 in. |
| April | -19 °F | -12 °F | 787.4 in. |
| May | -15.8 °F | -8.1 °F | 1473.2 in. |
| June | -13 °F | -6.2 °F | 3149.6 in. |
| July | -11.4 °F | -3.9 °F | 1879.6 in. |
| August | -12.1 °F | -4.3 °F | 1371.6 in. |
| September | -15 °F | -6.8 °F | 787.4 in. |
| October | -18.2 °F | -11.4 °F | 584.2 in. |
| November | -22.4 °F | -17.1 °F | 0 in. |
| December | -27.1 °F | -21.9 °F | 0 in. |
| Annual | 27.8 °F | 49 °F | 15.55 in. |
| 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°F to -35°F |
| Current Drought Conditions | Normal |