Caroline, Alberta climate data is summarized below. Average annual temperatures range from 27.4 °F (low) to 47.7 °F (high). Annual precipitation averages 18.6 Inches. Caroline is located in USDA Plant Hardiness Zone 3a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -24.9 °F | -19.8 °F | 0 in. |
| February | -24.7 °F | -19.1 °F | 0 in. |
| March | -22.3 °F | -16.6 °F | 0 in. |
| April | -19.7 °F | -13.4 °F | 762 in. |
| May | -16.7 °F | -9.4 °F | 2159 in. |
| June | -14.2 °F | -7.5 °F | 3149.6 in. |
| July | -12.5 °F | -5.4 °F | 2286 in. |
| August | -13.3 °F | -5.7 °F | 1625.6 in. |
| September | -15.7 °F | -7.9 °F | 1295.4 in. |
| October | -18.6 °F | -12.2 °F | 736.6 in. |
| November | -22.3 °F | -17.6 °F | 0 in. |
| December | -25.6 °F | -20.7 °F | 0 in. |
| Annual | 27.4 °F | 47.7 °F | 18.62 in. |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 3a : -40°F to -35°F |
| Current Drought Conditions | Moderate Drought |