Big Valley, Alberta climate data is summarized below. Average annual temperatures range from 27.4 °F (low) to 48.3 °F (high). Annual precipitation averages 17.1 Inches. Big Valley 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.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -26.4 °F | -20.8 °F | 0 in. |
| February | -26.5 °F | -20.5 °F | 0 in. |
| March | -22.7 °F | -16.9 °F | 0 in. |
| April | -19.2 °F | -12.4 °F | 863.6 in. |
| May | -15.7 °F | -8.2 °F | 1524 in. |
| June | -12.9 °F | -6.3 °F | 2794 in. |
| July | -11.5 °F | -4.5 °F | 2286 in. |
| August | -12.3 °F | -5 °F | 1625.6 in. |
| September | -15.1 °F | -7.4 °F | 1244.6 in. |
| October | -18.3 °F | -11.7 °F | 711.2 in. |
| November | -22.8 °F | -17.3 °F | 0 in. |
| December | -27.2 °F | -21.7 °F | 0 in. |
| Annual | 27.4 °F | 48.3 °F | 17.12 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3b : -35°F to -30°F |
| Current Drought Conditions | Abnormally Dry |