| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 59a - Connecticut Valley | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 06082 - Enfield, CT | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 27 | 38 | 48 | 57 | 62 | 61 | 52 | 41 | 33 | 23 | 40 |
| Avg Max Temp (°F) | 36 | 39 | 48 | 60 | 72 | 80 | 85 | 83 | 75 | 64 | 52 | 40 | 61 |
| Avg Precip (In.) | 3.73 | 2.96 | 3.98 | 4.12 | 4.08 | 3.96 | 3.93 | 3.68 | 3.98 | 3.97 | 3.98 | 3.65 | 46 |