Tolland Connecticut Climate Data

Monthly Average Climate Data for Tolland Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.0 °F34.5 °F3.45 in.
February17.8 °F37.1 °F3.07 in.
March25.4 °F44.8 °F4.21 in.
April35.4 °F56.9 °F4.17 in.
May45.2 °F67.5 °F3.61 in.
June54.7 °F75.7 °F4.43 in.
July60.3 °F80.9 °F4.03 in.
August58.5 °F79.3 °F4.5 in.
September51.4 °F72.6 °F4.58 in.
October40.2 °F60.9 °F4.94 in.
November31.2 °F50.1 °F3.77 in.
December23.5 °F40.2 °F4.4 in.
Annual38.4 °F58.4 °F49.16 in.

Climate Data for Tolland 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