Pine Brook Hill, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 16.4 °C (high). Annual precipitation averages 549.4 Millimeters. Pine Brook Hill is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 6.9 °C | 20.07 mm |
| February | -5.8 °C | 7.1 °C | 29.46 mm |
| March | -2.4 °C | 11.2 °C | 46.99 mm |
| April | 0.2 °C | 13.9 °C | 75.69 mm |
| May | 5.3 °C | 18.6 °C | 81.79 mm |
| June | 10.7 °C | 25.3 °C | 56.13 mm |
| July | 14.5 °C | 28.8 °C | 49.78 mm |
| August | 13.4 °C | 27.7 °C | 47.5 mm |
| September | 9.2 °C | 23.6 °C | 50.8 mm |
| October | 3 °C | 16.4 °C | 41.4 mm |
| November | -2 °C | 10.9 °C | 27.43 mm |
| December | -5.5 °C | 6.6 °C | 22.35 mm |
| Annual | 3 °C | 16.4 °C | 549.39 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |