Barrington, New York has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3 °C (low) to 12.8 °C (high). Annual precipitation averages 938.3 Millimeters. Barrington is located in USDA Plant Hardiness Zone 6a. 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 | -9.4 °C | -1.3 °C | 57.66 mm |
| February | -8.8 °C | -0.1 °C | 47.5 mm |
| March | -5.3 °C | 4.3 °C | 65.02 mm |
| April | 1.2 °C | 12.1 °C | 75.95 mm |
| May | 7.7 °C | 19 °C | 83.57 mm |
| June | 12.7 °C | 23.4 °C | 99.31 mm |
| July | 15.2 °C | 25.8 °C | 101.85 mm |
| August | 14.3 °C | 25.1 °C | 90.68 mm |
| September | 10.4 °C | 21.6 °C | 92.96 mm |
| October | 4.7 °C | 14.7 °C | 92.2 mm |
| November | -0.6 °C | 7.6 °C | 69.09 mm |
| December | -5.6 °C | 1.7 °C | 62.48 mm |
| Annual | 3 °C | 12.8 °C | 938.27 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |