Churchill, Manitoba climate data is summarized below. Average annual temperatures range from 19.7 °F (low) to 28.4 °F (high). Annual precipitation averages 12.4 Inches. Churchill is located in USDA Plant Hardiness Zone 0a. 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 | -30.7 °F | -27.7 °F | 0 in. |
| February | -30.4 °F | -27.2 °F | 0 in. |
| March | -27.8 °F | -24.1 °F | 0 in. |
| April | -23 °F | -19.7 °F | 76.2 in. |
| May | -19.6 °F | -17 °F | 406.4 in. |
| June | -16.7 °F | -14 °F | 990.6 in. |
| July | -13.6 °F | -10.8 °F | 1752.6 in. |
| August | -12.5 °F | -10.2 °F | 2006.6 in. |
| September | -14.8 °F | -12.8 °F | 1498.6 in. |
| October | -18.1 °F | -16.4 °F | 1244.6 in. |
| November | -23.7 °F | -21.3 °F | 0 in. |
| December | -28.2 °F | -25.6 °F | 0 in. |
| Annual | 19.7 °F | 28.4 °F | 12.37 in. |
| 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 | |
| Current Drought Conditions | Normal |