Gravelbourg, Saskatchewan climate data is summarized below. Average annual temperatures range from 29.6 °F (low) to 51.1 °F (high). Annual precipitation averages 9.5 Inches. Gravelbourg is located in USDA Plant Hardiness Zone 4a. 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 | -26.3 °F | -21 °F | 0 in. |
| February | -26.2 °F | -20.5 °F | 0 in. |
| March | -22.3 °F | -16.3 °F | 0 in. |
| April | -18.8 °F | -11.7 °F | 381 in. |
| May | -15.1 °F | -7.6 °F | 787.4 in. |
| June | -12.1 °F | -5.2 °F | 1498.6 in. |
| July | -10.5 °F | -2.8 °F | 1574.8 in. |
| August | -11.2 °F | -3.2 °F | 1092.2 in. |
| September | -13.9 °F | -6 °F | 482.6 in. |
| October | -17.5 °F | -10.8 °F | 304.8 in. |
| November | -22 °F | -16.3 °F | 25.4 in. |
| December | -26.4 °F | -21.2 °F | 0 in. |
| Annual | 29.6 °F | 51.1 °F | 9.52 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 4a : -30°F to -25°F |
| Current Drought Conditions | Abnormally Dry |