Eureka Missouri Climate Data

Monthly Average Climate Data for Eureka Missouri

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.7 °F39.6 °F2.77 in.
February25.4 °F45.3 °F2.4 in.
March34.1 °F55.4 °F3.68 in.
April44.7 °F67.7 °F4.76 in.
May55.6 °F76.4 °F5.19 in.
June64.5 °F84.8 °F4.49 in.
July68.6 °F88.6 °F3.98 in.
August66.3 °F87.3 °F3.63 in.
September57.8 °F80.8 °F3.41 in.
October45.6 °F69.1 °F3.33 in.
November34.9 °F55.5 °F3.55 in.
December26.2 °F44.3 °F2.7 in.
Annual45.5 °F66.2 °F43.89 in.

Climate Data for Eureka Missouri

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 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 ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com