Stafford Connecticut Climate Data

Monthly Average Climate Data for Stafford Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.3 °F34.1 °F3.45 in.
February16.7 °F36.4 °F3.0 in.
March24.7 °F44.2 °F4.05 in.
April35.0 °F56.8 °F4.12 in.
May45.3 °F67.5 °F3.62 in.
June54.8 °F75.7 °F4.52 in.
July60.6 °F80.9 °F4.02 in.
August58.8 °F79.2 °F4.47 in.
September51.5 °F72.4 °F4.58 in.
October39.9 °F60.4 °F5.04 in.
November30.5 °F49.5 °F3.74 in.
December22.8 °F39.5 °F4.42 in.
Annual38.1 °F58.1 °F49.03 in.

Climate Data for Stafford Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 21 - May 31
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year