Dayville Connecticut Climate Data

Monthly Average Climate Data for Dayville Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.5 °F36.9 °F3.85 in.
February19.0 °F39.5 °F3.39 in.
March26.5 °F47.0 °F4.56 in.
April36.4 °F59.7 °F4.49 in.
May46.4 °F70.2 °F3.5 in.
June55.4 °F78.2 °F4.2 in.
July61.9 °F83.4 °F3.8 in.
August59.7 °F81.5 °F4.34 in.
September52.5 °F74.7 °F4.23 in.
October41.9 °F63.2 °F4.85 in.
November31.7 °F52.3 °F3.99 in.
December23.5 °F42.0 °F4.67 in.
Annual39.4 °F60.7 °F49.87 in.

Climate Data for Dayville 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 ClassificationDfb - Humid Continental Mild Summer, Wet All Year