Trenton Missouri Climate Data

Monthly Average Climate Data for Trenton Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.3 °F34.8 °F1.18 in.
February20.3 °F40.1 °F1.64 in.
March30.5 °F52.2 °F2.41 in.
April41.1 °F63.6 °F3.91 in.
May52.6 °F73.7 °F5.71 in.
June62.5 °F83.5 °F5.15 in.
July66.5 °F87.5 °F4.86 in.
August64.0 °F85.9 °F4.17 in.
September55.1 °F78.9 °F4.08 in.
October43.0 °F66.2 °F3.08 in.
November31.6 °F52.2 °F2.23 in.
December21.4 °F39.5 °F1.68 in.
Annual42.1 °F63.2 °F40.1 in.

Climate Data for Trenton Missouri

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation