Glastonbury Center Connecticut Climate Data

Monthly Average Climate Data for Glastonbury Center Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.3 °F36.2 °F3.68 in.
February20.6 °F38.9 °F3.22 in.
March28.6 °F46.9 °F4.31 in.
April38.9 °F59.4 °F4.11 in.
May49.0 °F70.2 °F3.59 in.
June58.4 °F78.7 °F4.63 in.
July63.9 °F84.1 °F4.14 in.
August62.3 °F82.6 °F4.17 in.
September54.6 °F75.3 °F4.52 in.
October43.1 °F63.3 °F4.81 in.
November33.3 °F51.9 °F3.69 in.
December25.3 °F41.7 °F4.36 in.
Annual41.4 °F60.8 °F49.23 in.

Climate Data for Glastonbury Center Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation