Keyesport Illinois Climate Data

Monthly Average Climate Data for Keyesport Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.8 °F38.5 °F2.92 in.
February25.0 °F43.6 °F2.47 in.
March34.4 °F54.1 °F3.45 in.
April44.8 °F66.3 °F4.74 in.
May55.6 °F75.4 °F5.05 in.
June64.4 °F84.4 °F4.78 in.
July67.7 °F87.6 °F4.11 in.
August65.4 °F86.8 °F3.4 in.
September57.0 °F80.2 °F3.37 in.
October45.4 °F68.4 °F3.31 in.
November35.0 °F54.4 °F3.68 in.
December26.4 °F42.9 °F2.85 in.
Annual45.2 °F65.2 °F44.13 in.

Climate Data for Keyesport Illinois

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 ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com