Oak Lake, Manitoba climate data is summarized below. Average annual temperatures range from -2.5 °C (low) to 8.5 °C (high). Annual precipitation averages 588 Millimeters. Oak Lake 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 | -19.75 °C | -10.01 °C | 0 mm |
| February | -19.55 °C | -9.11 °C | 0 mm |
| March | -11.12 °C | -0.26 °C | 5 mm |
| April | -1.98 °C | 9.44 °C | 30 mm |
| May | 4.58 °C | 17.04 °C | 78 mm |
| June | 10.79 °C | 22.17 °C | 145 mm |
| July | 13.34 °C | 25.16 °C | 134 mm |
| August | 11.72 °C | 24.86 °C | 113 mm |
| September | 6.89 °C | 20.05 °C | 55 mm |
| October | 0.57 °C | 11.48 °C | 28 mm |
| November | -7.94 °C | 0.93 °C | 0 mm |
| December | -18.02 °C | -9.52 °C | 0 mm |
| Annual | -2.5 °C | 8.5 °C | 588 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 |