Sidney, Manitoba climate data is summarized below. Average annual temperatures range from -2.4 °C (low) to 8.3 °C (high). Annual precipitation averages 334 Millimeters. Sidney 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 | -19.97 °C | -10.51 °C | 0 mm |
| February | -19.36 °C | -9.21 °C | 0 mm |
| March | -10.61 °C | -0.3 °C | 5 mm |
| April | -2.06 °C | 9.07 °C | 10 mm |
| May | 4.48 °C | 16.48 °C | 43 mm |
| June | 10.84 °C | 21.94 °C | 69 mm |
| July | 13.28 °C | 24.7 °C | 81 mm |
| August | 12 °C | 24.55 °C | 77 mm |
| September | 7.26 °C | 19.86 °C | 31 mm |
| October | 0.95 °C | 11.25 °C | 17 mm |
| November | -7.59 °C | 0.89 °C | 1 mm |
| December | -17.72 °C | -9.54 °C | 0 mm |
| Annual | -2.4 °C | 8.3 °C | 334 mm |
| 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 : -37.2°C to -34.4°C |
| Current Drought Conditions | Normal |