Farmington Connecticut Climate Data

Monthly Average Climate Data for Farmington Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F36.3 °F3.83 in.
February20.3 °F39.0 °F3.39 in.
March27.8 °F47.0 °F4.35 in.
April38.2 °F59.7 °F4.28 in.
May48.6 °F70.5 °F4.16 in.
June58.0 °F79.1 °F5.03 in.
July63.4 °F84.6 °F4.49 in.
August61.7 °F82.7 °F4.69 in.
September54.3 °F75.6 °F4.98 in.
October42.8 °F63.4 °F5.77 in.
November33.1 °F51.9 °F4.23 in.
December25.1 °F41.6 °F4.82 in.
Annual41 °F61 °F54.02 in.

Climate Data for Farmington Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 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