Interlaken, Utah has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from 0.2 °C (low) to 15.3 °C (high). Annual precipitation averages 517.9 Millimeters. Interlaken is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.6 °C | 2.2 °C | 74.17 mm |
| February | -7.8 °C | 4.2 °C | 67.56 mm |
| March | -4.1 °C | 9.3 °C | 41.15 mm |
| April | -0.9 °C | 13.4 °C | 39.88 mm |
| May | 3.2 °C | 19.1 °C | 45.21 mm |
| June | 6.8 °C | 25.2 °C | 23.88 mm |
| July | 11.1 °C | 30.3 °C | 16.76 mm |
| August | 10.7 °C | 29.2 °C | 25.15 mm |
| September | 5.8 °C | 24.1 °C | 34.29 mm |
| October | 0.3 °C | 16.6 °C | 41.91 mm |
| November | -4.6 °C | 8.1 °C | 44.7 mm |
| December | -8.9 °C | 2.1 °C | 63.25 mm |
| Annual | 0.2 °C | 15.3 °C | 517.91 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |