Jefferson City Missouri Climate Data

Monthly Average Climate Data for Jefferson City Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.0 °F40.4 °F2.2 in.
February25.0 °F44.9 °F2.2 in.
March34.1 °F55.6 °F3.28 in.
April44.6 °F67.1 °F4.83 in.
May55.4 °F75.4 °F5.1 in.
June63.7 °F83.6 °F4.37 in.
July67.9 °F87.9 °F4.6 in.
August65.7 °F87.0 °F3.91 in.
September56.8 °F80.3 °F4.34 in.
October44.9 °F68.5 °F3.58 in.
November33.9 °F55.8 °F3.27 in.
December25.1 °F44.3 °F2.44 in.
Annual44.9 °F65.9 °F44.12 in.

Climate Data for Jefferson City Missouri

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 6a : -10°F to -5°F
Current Drought ConditionsExtreme Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation