New Fairfield Connecticut Climate Data

Monthly Average Climate Data for New Fairfield Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.5 °F34.4 °F3.76 in.
February19.3 °F37.5 °F2.93 in.
March26.5 °F45.7 °F4.05 in.
April37.3 °F58.2 °F3.94 in.
May47.7 °F68.3 °F3.78 in.
June56.8 °F76.3 °F4.62 in.
July62.0 °F81.4 °F4.86 in.
August60.7 °F79.4 °F5.02 in.
September53.6 °F72.4 °F4.79 in.
October42.3 °F61.0 °F4.88 in.
November32.6 °F50.2 °F4.07 in.
December23.9 °F39.2 °F4.35 in.
Annual40 °F58.7 °F51.05 in.

Climate Data for New Fairfield Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation