Wethersfield Connecticut Climate Data

Monthly Average Climate Data for Wethersfield Connecticut

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.5 °F36.3 °F3.72 in.
February20.8 °F38.9 °F3.23 in.
March28.5 °F46.9 °F4.32 in.
April39.0 °F59.5 °F4.15 in.
May49.2 °F70.2 °F3.62 in.
June58.6 °F78.7 °F4.69 in.
July64.1 °F84.1 °F4.16 in.
August62.5 °F82.6 °F4.15 in.
September54.9 °F75.4 °F4.49 in.
October43.4 °F63.3 °F4.88 in.
November33.5 °F51.9 °F3.74 in.
December25.5 °F41.7 °F4.3 in.
Annual41.6 °F60.8 °F49.45 in.

Climate Data for Wethersfield Connecticut

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com