Olive Branch Illinois Climate Data

Monthly Average Climate Data for Olive Branch Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January26.4 °F43.0 °F3.72 in.
February29.4 °F48.3 °F3.75 in.
March37.4 °F58.0 °F4.74 in.
April47.2 °F69.0 °F5.68 in.
May57.6 °F77.8 °F5.05 in.
June65.9 °F86.2 °F4.43 in.
July69.4 °F89.0 °F3.5 in.
August67.0 °F87.9 °F3.05 in.
September58.9 °F82.1 °F3.42 in.
October47.3 °F71.6 °F3.98 in.
November37.0 °F57.6 °F4.68 in.
December29.9 °F46.6 °F4.0 in.
Annual47.8 °F68.1 °F50 in.

Climate Data for Olive Branch Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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