Canaan, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.3 °C (low) to 17.6 °C (high). Annual precipitation averages 1226.6 Millimeters. Canaan is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.8 °C | 3.4 °C | 89.66 mm |
| February | -4.7 °C | 5.8 °C | 79.5 mm |
| March | 0.2 °C | 11.6 °C | 105.92 mm |
| April | 6.1 °C | 18.2 °C | 125.98 mm |
| May | 11.6 °C | 23.3 °C | 134.87 mm |
| June | 16.2 °C | 27.6 °C | 124.97 mm |
| July | 18.1 °C | 29.3 °C | 107.7 mm |
| August | 17.1 °C | 28.9 °C | 95 mm |
| September | 12.9 °C | 25.9 °C | 84.58 mm |
| October | 6.6 °C | 19.3 °C | 87.88 mm |
| November | 0.8 °C | 12.1 °C | 89.15 mm |
| December | -3.1 °C | 5.9 °C | 101.35 mm |
| Annual | 6.3 °C | 17.6 °C | 1226.56 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |