Oneida, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38.8 °F (low) to 57.4 °F (high). Annual precipitation averages 53.7 Inches. Oneida is located in USDA Plant Hardiness Zone 6b. 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 | 17.2 °F | 32.6 °F | 3.84 in. |
| February | 18.4 °F | 35.3 °F | 3.02 in. |
| March | 25.6 °F | 43.8 °F | 3.98 in. |
| April | 36.4 °F | 57.2 °F | 4.29 in. |
| May | 47.0 °F | 67.9 °F | 4.76 in. |
| June | 55.7 °F | 75.5 °F | 5.26 in. |
| July | 60.4 °F | 80.2 °F | 5.16 in. |
| August | 58.4 °F | 78.4 °F | 4.8 in. |
| September | 51.6 °F | 71.8 °F | 5.45 in. |
| October | 41.0 °F | 60.5 °F | 5.13 in. |
| November | 31.2 °F | 47.7 °F | 3.73 in. |
| December | 22.9 °F | 37.6 °F | 4.27 in. |
| Annual | 38.8 °F | 57.4 °F | 53.69 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |