Cicero, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.4 °C (low) to 13.9 °C (high). Annual precipitation averages 1136.7 Millimeters. Cicero is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.7 °C | -0.6 °C | 94.23 mm |
| February | -9.2 °C | 0.6 °C | 76.71 mm |
| March | -4.8 °C | 4.9 °C | 83.57 mm |
| April | 1.6 °C | 13.1 °C | 88.9 mm |
| May | 8 °C | 20.2 °C | 91.95 mm |
| June | 13.1 °C | 24.8 °C | 100.08 mm |
| July | 15.8 °C | 27.3 °C | 98.81 mm |
| August | 14.9 °C | 26.6 °C | 97.03 mm |
| September | 10.9 °C | 22.8 °C | 93.22 mm |
| October | 5.3 °C | 15.4 °C | 121.16 mm |
| November | 0.1 °C | 8.7 °C | 93.98 mm |
| December | -5.2 °C | 2.5 °C | 97.03 mm |
| Annual | 3.4 °C | 13.9 °C | 1136.67 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |