Palmyra Missouri Climate Data

Monthly Average Climate Data for Palmyra Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.9 °F35.6 °F1.89 in.
February22.4 °F40.6 °F2.1 in.
March31.9 °F52.2 °F2.61 in.
April43.0 °F64.6 °F4.18 in.
May53.9 °F74.5 °F4.93 in.
June63.6 °F83.4 °F4.35 in.
July67.1 °F87.3 °F4.1 in.
August65.0 °F85.9 °F3.96 in.
September56.6 °F79.5 °F3.46 in.
October45.1 °F66.9 °F3.3 in.
November33.7 °F52.6 °F2.79 in.
December24.2 °F40.3 °F2.01 in.
Annual43.8 °F63.6 °F39.68 in.

Climate Data for Palmyra 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 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation