Acequia, Idaho has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1.4 °C (low) to 16.2 °C (high). Annual precipitation averages 253.3 Millimeters. Acequia is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.6 °C | 2.1 °C | 30.23 mm |
| February | -5.9 °C | 5 °C | 18.8 mm |
| March | -2.4 °C | 10.9 °C | 24.13 mm |
| April | 0.2 °C | 15.2 °C | 26.16 mm |
| May | 4.7 °C | 20.5 °C | 34.8 mm |
| June | 8.3 °C | 25.6 °C | 17.02 mm |
| July | 12 °C | 31.2 °C | 4.83 mm |
| August | 10.9 °C | 30.8 °C | 8.89 mm |
| September | 6.4 °C | 25.2 °C | 14.99 mm |
| October | 1.1 °C | 17.4 °C | 20.83 mm |
| November | -3.9 °C | 8.7 °C | 21.59 mm |
| December | -7.4 °C | 2.3 °C | 30.99 mm |
| Annual | 1.4 °C | 16.2 °C | 253.26 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |