Vandalia Missouri Climate Data

Monthly Average Climate Data for Vandalia Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.2 °F36.6 °F2.14 in.
February22.4 °F41.5 °F2.2 in.
March31.9 °F52.8 °F3.11 in.
April42.9 °F64.6 °F4.13 in.
May53.6 °F74.2 °F4.97 in.
June63.0 °F82.9 °F4.83 in.
July66.7 °F86.8 °F4.61 in.
August64.7 °F85.7 °F3.38 in.
September56.1 °F79.1 °F3.5 in.
October44.5 °F67.0 °F3.12 in.
November33.5 °F53.2 °F2.59 in.
December24.3 °F40.9 °F2.2 in.
Annual43.6 °F63.8 °F40.78 in.

Climate Data for Vandalia Missouri

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation