Maryland Heights Missouri Climate Data

Monthly Average Climate Data for Maryland Heights Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.1 °F39.6 °F2.63 in.
February26.6 °F45.3 °F2.23 in.
March35.3 °F55.4 °F3.51 in.
April46.1 °F67.3 °F4.75 in.
May56.8 °F76.3 °F5.09 in.
June65.9 °F84.9 °F4.57 in.
July69.8 °F88.5 °F3.96 in.
August67.8 °F87.3 °F3.59 in.
September59.5 °F80.7 °F3.2 in.
October47.8 °F69.0 °F3.35 in.
November36.4 °F55.3 °F3.52 in.
December27.7 °F44.3 °F2.73 in.
Annual46.9 °F66.2 °F43.13 in.

Climate Data for Maryland Heights Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation