Bijou Hills, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.8 °C (low) to 15 °C (high). Annual precipitation averages 611.1 Millimeters. Bijou Hills is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -12.7 °C | -1.1 °C | 12.45 mm |
| February | -10.8 °C | 1.4 °C | 15.49 mm |
| March | -5.3 °C | 7.9 °C | 27.69 mm |
| April | 0.7 °C | 14.4 °C | 69.09 mm |
| May | 7.4 °C | 20.7 °C | 91.19 mm |
| June | 13.6 °C | 26.6 °C | 100.58 mm |
| July | 16.6 °C | 30.6 °C | 75.95 mm |
| August | 15.2 °C | 29.4 °C | 75.44 mm |
| September | 9.9 °C | 24.9 °C | 61.72 mm |
| October | 2.3 °C | 16.4 °C | 47.75 mm |
| November | -4.8 °C | 7.8 °C | 19.81 mm |
| December | -10.4 °C | 0.8 °C | 13.97 mm |
| Annual | 1.8 °C | 15 °C | 611.13 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |