Rose Valley, Saskatchewan climate data is summarized below. Average annual temperatures range from -4.3 °C (low) to 6.6 °C (high). Annual precipitation averages 420 Millimeters. Rose Valley is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -21.62 °C | -11.51 °C | 0 mm |
| February | -21.48 °C | -10.91 °C | 0 mm |
| March | -14.12 °C | -3.19 °C | 0 mm |
| April | -4.6 °C | 6.21 °C | 26 mm |
| May | 3.45 °C | 16.91 °C | 42 mm |
| June | 9.32 °C | 21.26 °C | 117 mm |
| July | 12.01 °C | 23.71 °C | 92 mm |
| August | 10.51 °C | 23.12 °C | 64 mm |
| September | 5.63 °C | 18.33 °C | 42 mm |
| October | -0.07 °C | 8.99 °C | 37 mm |
| November | -9.88 °C | -2.08 °C | 0 mm |
| December | -20.05 °C | -11.5 °C | 0 mm |
| Annual | -4.3 °C | 6.6 °C | 420 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°C to -37.2°C |
| Current Drought Conditions | Normal |