Jamestown Missouri Climate Data

Monthly Average Climate Data for Jamestown Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.0 °F39.0 °F2.14 in.
February24.9 °F44.4 °F2.18 in.
March34.0 °F55.3 °F3.06 in.
April44.1 °F66.0 °F4.82 in.
May54.6 °F74.9 °F5.06 in.
June63.9 °F83.4 °F4.51 in.
July67.8 °F87.6 °F4.47 in.
August65.7 °F87.0 °F3.81 in.
September57.4 °F79.6 °F4.15 in.
October45.6 °F67.7 °F3.56 in.
November34.7 °F54.1 °F2.98 in.
December25.6 °F42.6 °F2.26 in.
Annual44.9 °F65.1 °F43 in.

Climate Data for Jamestown Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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