Hartwell Missouri Climate Data

Monthly Average Climate Data for Hartwell Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.7 °F40.2 °F1.7 in.
February24.5 °F45.4 °F1.98 in.
March33.7 °F56.0 °F2.85 in.
April43.5 °F66.3 °F4.6 in.
May54.8 °F75.5 °F5.62 in.
June64.5 °F84.3 °F5.23 in.
July68.4 °F89.1 °F4.62 in.
August66.2 °F88.1 °F4.03 in.
September57.4 °F80.4 °F4.36 in.
October45.2 °F69.2 °F3.44 in.
November34.2 °F55.5 °F2.94 in.
December25.2 °F44.3 °F2.15 in.
Annual44.9 °F66.2 °F43.52 in.

Climate Data for Hartwell Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsSevere Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com