St. Adolphe, Manitoba climate data is summarized below. Average annual temperatures range from -1.6 °C (low) to 8.8 °C (high). Annual precipitation averages 459 Millimeters. St. Adolphe is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -20.26 °C | -11.07 °C | 0 mm |
| February | -19.36 °C | -9.42 °C | 0 mm |
| March | -10.07 °C | 0.24 °C | 4 mm |
| April | -1.28 °C | 9.98 °C | 28 mm |
| May | 5.58 °C | 17.77 °C | 81 mm |
| June | 11.95 °C | 23.24 °C | 103 mm |
| July | 14.3 °C | 26.03 °C | 90 mm |
| August | 13.16 °C | 25.36 °C | 62 mm |
| September | 8.46 °C | 20.34 °C | 48 mm |
| October | 2.02 °C | 11.63 °C | 43 mm |
| November | -6.53 °C | 1.25 °C | 0 mm |
| December | -16.89 °C | -9.37 °C | 0 mm |
| Annual | -1.6 °C | 8.8 °C | 459 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Abnormally Dry |