New Castle Kentucky Climate Data

Monthly Average Climate Data for New Castle Kentucky

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.0 °F40.6 °F3.6 in.
February25.6 °F44.9 °F3.57 in.
March33.0 °F54.5 °F4.47 in.
April43.3 °F65.6 °F4.87 in.
May53.9 °F74.3 °F5.41 in.
June61.2 °F83.6 °F4.96 in.
July65.0 °F86.4 °F4.45 in.
August63.6 °F84.7 °F3.63 in.
September56.6 °F79.3 °F3.63 in.
October44.5 °F68.7 °F3.53 in.
November34.3 °F55.1 °F3.5 in.
December27.5 °F44.5 °F4.05 in.
Annual44.3 °F65.2 °F49.67 in.

Climate Data for New Castle Kentucky

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate