Caroline, Alberta climate data is summarized below. Average annual temperatures range from -2.6 °C (low) to 8.7 °C (high). Annual precipitation averages 473 Millimeters. 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 | -12.88 °C | -3.67 °C | 0 mm |
| February | -12.38 °C | -2.39 °C | 0 mm |
| March | -8.16 °C | 2.13 °C | 0 mm |
| April | -3.5 °C | 7.96 °C | 30 mm |
| May | 2 °C | 15.04 °C | 85 mm |
| June | 6.51 °C | 18.57 °C | 124 mm |
| July | 9.46 °C | 22.31 °C | 90 mm |
| August | 8 °C | 21.75 °C | 64 mm |
| September | 3.79 °C | 17.7 °C | 51 mm |
| October | -1.43 °C | 10.12 °C | 29 mm |
| November | -8.13 °C | 0.3 °C | 0 mm |
| December | -14.13 °C | -5.23 °C | 0 mm |
| Annual | -2.6 °C | 8.7 °C | 473 mm |
| 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°C to -37.2°C |
| Current Drought Conditions | Moderate Drought |