Sardinia, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.1 °C (low) to 12.6 °C (high). Annual precipitation averages 1215.6 Millimeters. Sardinia is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.1 °C | -1.6 °C | 99.82 mm |
| February | -9.4 °C | -0.3 °C | 71.63 mm |
| March | -6.2 °C | 4.3 °C | 81.53 mm |
| April | 0.1 °C | 11.8 °C | 93.98 mm |
| May | 6.7 °C | 18.8 °C | 98.04 mm |
| June | 11.6 °C | 23.2 °C | 118.11 mm |
| July | 14.1 °C | 25.4 °C | 113.79 mm |
| August | 12.9 °C | 24.9 °C | 106.43 mm |
| September | 9.2 °C | 21.3 °C | 108.71 mm |
| October | 3.7 °C | 14.4 °C | 111.25 mm |
| November | -1.5 °C | 7.2 °C | 107.44 mm |
| December | -6.4 °C | 1.3 °C | 104.9 mm |
| Annual | 2.1 °C | 12.6 °C | 1215.63 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |