Summit Park, Utah has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from -0.2 °C (low) to 13.3 °C (high). Annual precipitation averages 824.2 Millimeters. Summit Park is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.9 °C | 1.3 °C | 99.82 mm |
| February | -8.4 °C | 2.7 °C | 85.85 mm |
| March | -5.2 °C | 7.5 °C | 89.92 mm |
| April | -2 °C | 11.1 °C | 97.79 mm |
| May | 2.5 °C | 16.4 °C | 69.6 mm |
| June | 6.7 °C | 22.6 °C | 35.56 mm |
| July | 11.2 °C | 27.7 °C | 20.57 mm |
| August | 10.7 °C | 26.8 °C | 27.94 mm |
| September | 5.8 °C | 21.6 °C | 51.31 mm |
| October | 0.2 °C | 14.2 °C | 67.06 mm |
| November | -5.2 °C | 6.3 °C | 85.09 mm |
| December | -9.3 °C | 1.1 °C | 93.73 mm |
| Annual | -0.2 °C | 13.3 °C | 824.24 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |