Lakeview, Montana has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -5.2 °C (low) to 10 °C (high). Annual precipitation averages 460.2 Millimeters. Lakeview is located in USDA Plant Hardiness Zone 3b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.7 °C | -3.7 °C | 30.73 mm |
| February | -14.9 °C | -1.6 °C | 28.96 mm |
| March | -10.4 °C | 3.5 °C | 36.07 mm |
| April | -5.4 °C | 8.5 °C | 48.01 mm |
| May | -0.6 °C | 14.3 °C | 61.21 mm |
| June | 2.7 °C | 19.3 °C | 61.21 mm |
| July | 5.6 °C | 25.4 °C | 26.16 mm |
| August | 4.6 °C | 25 °C | 24.64 mm |
| September | 0.7 °C | 19.4 °C | 37.08 mm |
| October | -4.1 °C | 10.7 °C | 43.18 mm |
| November | -10.1 °C | 2.3 °C | 29.97 mm |
| December | -15.2 °C | -3.6 °C | 33.02 mm |
| Annual | -5.2 °C | 10 °C | 460.24 mm |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -37.2°C to -34.4°C |
| Plant Hardiness Zone - 2012 | Zone 3b : -37.2°C to -34.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |