Amalga, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 33.3 °F (low) to 60.3 °F (high). Annual precipitation averages 16.4 Inches. Amalga is located in USDA Plant Hardiness Zone 5b. 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 | 14.0 °F | 32.2 °F | 1.78 in. |
| February | 17.3 °F | 37.2 °F | 1.36 in. |
| March | 27.0 °F | 49.4 °F | 1.62 in. |
| April | 33.4 °F | 58.6 °F | 1.89 in. |
| May | 40.6 °F | 68.3 °F | 2.17 in. |
| June | 47.1 °F | 79.4 °F | 1.11 in. |
| July | 53.5 °F | 89.6 °F | 0.57 in. |
| August | 51.8 °F | 88.2 °F | 0.7 in. |
| September | 43.0 °F | 77.7 °F | 1.25 in. |
| October | 32.5 °F | 62.8 °F | 1.47 in. |
| November | 24.2 °F | 47.0 °F | 1.15 in. |
| December | 15.5 °F | 33.4 °F | 1.35 in. |
| Annual | 33.3 °F | 60.3 °F | 16.42 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |