Richfield Springs, New York has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.4 °F (low) to 55.3 °F (high). Annual precipitation averages 47.7 Inches. Richfield Springs 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 | 12.8 °F | 29.9 °F | 3.17 in. |
| February | 14.0 °F | 32.2 °F | 2.75 in. |
| March | 20.8 °F | 40.5 °F | 3.47 in. |
| April | 32.3 °F | 54.4 °F | 3.97 in. |
| May | 43.3 °F | 67.0 °F | 3.96 in. |
| June | 52.5 °F | 74.4 °F | 4.84 in. |
| July | 57.1 °F | 78.9 °F | 4.95 in. |
| August | 55.6 °F | 77.3 °F | 4.63 in. |
| September | 48.5 °F | 70.5 °F | 4.12 in. |
| October | 38.3 °F | 58.3 °F | 4.55 in. |
| November | 28.6 °F | 45.8 °F | 3.74 in. |
| December | 20.5 °F | 34.9 °F | 3.55 in. |
| Annual | 35.4 °F | 55.3 °F | 47.7 in. |
| 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 : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |