Orem, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.1 °F (low) to 64.1 °F (high). Annual precipitation averages 15.8 Inches. Orem is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.6 °F | 38.8 °F | 1.68 in. |
| February | 24.5 °F | 44.5 °F | 1.45 in. |
| March | 31.7 °F | 54.6 °F | 1.4 in. |
| April | 36.8 °F | 61.8 °F | 1.82 in. |
| May | 44.6 °F | 71.7 °F | 1.93 in. |
| June | 51.8 °F | 83.0 °F | 0.92 in. |
| July | 60.0 °F | 91.4 °F | 0.5 in. |
| August | 58.9 °F | 89.4 °F | 0.73 in. |
| September | 49.9 °F | 79.4 °F | 1.14 in. |
| October | 38.8 °F | 65.0 °F | 1.48 in. |
| November | 29.4 °F | 50.7 °F | 1.28 in. |
| December | 21.8 °F | 39.1 °F | 1.48 in. |
| Annual | 39.1 °F | 64.1 °F | 15.81 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |