Roosevelt, New York has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 16.8 °C (high). Annual precipitation averages 1232.2 Millimeters. Roosevelt is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.3 °C | 4.4 °C | 96.27 mm |
| February | -2.6 °C | 5.6 °C | 76.2 mm |
| March | 0.7 °C | 9.3 °C | 113.28 mm |
| April | 5.8 °C | 15.4 °C | 103.89 mm |
| May | 11.1 °C | 20.8 °C | 100.08 mm |
| June | 16.5 °C | 25.8 °C | 111.51 mm |
| July | 19.9 °C | 29.1 °C | 105.41 mm |
| August | 19.4 °C | 28.3 °C | 111.51 mm |
| September | 15.7 °C | 24.8 °C | 101.6 mm |
| October | 9.5 °C | 18.5 °C | 118.87 mm |
| November | 4.2 °C | 12.6 °C | 85.6 mm |
| December | 0 °C | 7.4 °C | 107.95 mm |
| Annual | 8.1 °C | 16.8 °C | 1232.17 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |