Sumner Missouri Climate Data

Monthly Average Climate Data for Sumner Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January16.7 °F36.5 °F1.33 in.
February21.3 °F41.5 °F1.78 in.
March31.4 °F53.3 °F2.63 in.
April42.1 °F64.3 °F3.95 in.
May53.1 °F73.9 °F5.39 in.
June63.3 °F82.9 °F5.3 in.
July67.0 °F87.0 °F4.87 in.
August64.3 °F85.6 °F4.18 in.
September54.9 °F79.6 °F4.26 in.
October43.5 °F67.2 °F3.23 in.
November32.1 °F53.3 °F2.33 in.
December22.0 °F40.6 °F1.73 in.
Annual42.6 °F63.8 °F40.98 in.

Climate Data for Sumner 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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