Charleston Missouri Climate Data

Monthly Average Climate Data for Charleston Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.9 °F43.4 °F3.77 in.
February29.7 °F48.5 °F3.98 in.
March37.9 °F58.3 °F4.66 in.
April47.6 °F69.3 °F5.22 in.
May58.1 °F78.4 °F5.46 in.
June66.2 °F86.8 °F3.92 in.
July69.7 °F89.7 °F4.34 in.
August67.2 °F88.5 °F2.75 in.
September59.1 °F82.7 °F3.14 in.
October47.2 °F71.7 °F3.95 in.
November37.3 °F57.9 °F4.23 in.
December30.1 °F46.8 °F4.54 in.
Annual48.1 °F68.5 °F49.96 in.

Climate Data for Charleston Missouri

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate