Morton Grove Illinois Climate Data

Monthly Average Climate Data for Morton Grove Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F31.7 °F2.21 in.
February21.1 °F35.6 °F2.13 in.
March29.8 °F45.6 °F2.25 in.
April40.0 °F57.1 °F3.86 in.
May51.1 °F68.7 °F4.69 in.
June61.1 °F78.9 °F4.43 in.
July66.8 °F83.2 °F3.72 in.
August65.6 °F81.4 °F4.09 in.
September58.0 °F74.9 °F3.48 in.
October45.8 °F62.6 °F3.45 in.
November34.0 °F48.3 °F2.6 in.
December24.3 °F37.0 °F2.3 in.
Annual43 °F58.8 °F39.21 in.

Climate Data for Morton Grove Illinois

Average First Frost DateNov. 21 - Nov. 30
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness ZoneZone 6a : -10°F to -5°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation