Rockglen, Saskatchewan climate data is summarized below. Average annual temperatures range from 29.6 °F (low) to 49.6 °F (high). Annual precipitation averages 18 Inches. Rockglen is located in USDA Plant Hardiness Zone 4a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -25.9 °F | -20.9 °F | 0 in. |
| February | -25.9 °F | -20.4 °F | 0 in. |
| March | -22.1 °F | -16.3 °F | 101.6 in. |
| April | -18.8 °F | -12.3 °F | 736.6 in. |
| May | -15.5 °F | -8.8 °F | 2209.8 in. |
| June | -12.6 °F | -6.2 °F | 3149.6 in. |
| July | -10.9 °F | -3.6 °F | 1854.2 in. |
| August | -11.4 °F | -3.9 °F | 1651 in. |
| September | -14.2 °F | -6.8 °F | 1117.6 in. |
| October | -17.6 °F | -11.4 °F | 660.4 in. |
| November | -21.7 °F | -16.3 °F | 101.6 in. |
| December | -25.9 °F | -21.2 °F | 0 in. |
| Annual | 29.6 °F | 49.6 °F | 17.95 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |