Rosetown, Saskatchewan climate data is summarized below. Average annual temperatures range from 26.2 °F (low) to 48.2 °F (high). Annual precipitation averages 18.1 Inches. Rosetown is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -27.8 °F | -22.1 °F | 0 in. |
| February | -28.1 °F | -22 °F | 0 in. |
| March | -23.9 °F | -17.8 °F | 0 in. |
| April | -19.3 °F | -12.1 °F | 609.6 in. |
| May | -15.8 °F | -7.6 °F | 1447.8 in. |
| June | -12.5 °F | -5.6 °F | 3556 in. |
| July | -11.3 °F | -4 °F | 2438.4 in. |
| August | -12.1 °F | -4.2 °F | 1778 in. |
| September | -14.9 °F | -6.5 °F | 965.2 in. |
| October | -18.4 °F | -11.3 °F | 863.6 in. |
| November | -22.9 °F | -17.4 °F | 0 in. |
| December | -27.8 °F | -22.6 °F | 0 in. |
| Annual | 26.2 °F | 48.2 °F | 18.07 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Normal |