Utica, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.3 °F (low) to 59.2 °F (high). Annual precipitation averages 46.5 Inches. Utica 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 Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.4 °F | 33.9 °F | 3.38 in. |
| February | 17.7 °F | 36.7 °F | 2.62 in. |
| March | 25.0 °F | 45.4 °F | 3.46 in. |
| April | 35.3 °F | 59.2 °F | 4.15 in. |
| May | 46.0 °F | 70.5 °F | 3.96 in. |
| June | 55.1 °F | 78.3 °F | 5.05 in. |
| July | 59.2 °F | 82.2 °F | 5.05 in. |
| August | 57.7 °F | 80.7 °F | 4.08 in. |
| September | 51.1 °F | 74.1 °F | 4.08 in. |
| October | 40.4 °F | 61.9 °F | 3.75 in. |
| November | 31.4 °F | 49.3 °F | 3.44 in. |
| December | 23.7 °F | 38.4 °F | 3.52 in. |
| Annual | 38.3 °F | 59.2 °F | 46.54 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |