Southington Connecticut Climate Data

Monthly Average Climate Data for Southington Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.0 °F36.5 °F3.83 in.
February20.3 °F39.1 °F3.45 in.
March27.9 °F46.9 °F4.45 in.
April38.0 °F59.4 °F4.14 in.
May48.3 °F70.3 °F3.97 in.
June57.7 °F78.7 °F4.72 in.
July63.1 °F84.1 °F4.23 in.
August61.5 °F82.3 °F4.27 in.
September54.2 °F75.4 °F4.55 in.
October42.5 °F63.4 °F5.38 in.
November32.8 °F52.0 °F3.99 in.
December24.8 °F41.8 °F4.8 in.
Annual40.8 °F60.8 °F51.78 in.

Climate Data for Southington Connecticut

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
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