Castine Ohio Climate Data

Monthly Average Climate Data for Castine Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.7 °F34.6 °F2.99 in.
February21.3 °F38.5 °F2.27 in.
March29.4 °F48.9 °F3.32 in.
April39.8 °F61.9 °F4.27 in.
May51.0 °F71.9 °F4.42 in.
June60.1 °F80.3 °F4.69 in.
July62.9 °F83.2 °F3.87 in.
August61.0 °F82.2 °F3.06 in.
September53.5 °F76.7 °F2.93 in.
October42.4 °F64.5 °F3.01 in.
November32.3 °F50.8 °F3.11 in.
December24.3 °F39.2 °F3.1 in.
Annual41.4 °F61.1 °F41.04 in.

Climate Data for Castine Ohio

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation