Roswell Ohio Climate Data

Monthly Average Climate Data for Roswell Ohio

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.7 °F35.7 °F3.08 in.
February20.9 °F38.8 °F2.3 in.
March28.6 °F48.7 °F3.31 in.
April38.9 °F62.1 °F3.82 in.
May49.4 °F72.1 °F4.18 in.
June58.2 °F80.2 °F5.11 in.
July62.1 °F83.7 °F4.18 in.
August60.3 °F82.5 °F3.8 in.
September53.1 °F76.3 °F3.41 in.
October41.9 °F64.2 °F3.25 in.
November32.6 °F51.5 °F2.93 in.
December25.3 °F40.5 °F3.02 in.
Annual40.9 °F61.4 °F42.39 in.

Climate Data for Roswell Ohio

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 6a : -10°F to -5°F
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com