Georgetown Illinois Climate Data

Monthly Average Climate Data for Georgetown Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January18.2 °F34.2 °F2.52 in.
February21.3 °F38.7 °F2.18 in.
March30.7 °F50.4 °F2.95 in.
April41.3 °F63.6 °F4.25 in.
May52.5 °F74.2 °F4.59 in.
June61.7 °F82.4 °F4.88 in.
July64.3 °F84.8 °F4.24 in.
August62.1 °F83.5 °F3.22 in.
September54.5 °F78.8 °F3.03 in.
October43.2 °F66.4 °F3.42 in.
November32.7 °F51.4 °F3.37 in.
December23.9 °F39.0 °F2.57 in.
Annual42.2 °F62.3 °F41.22 in.
MonthAvg. LowAvg. HighAvg. Precip
January15.9 °F32.8 °F1.82 in.
February19.7 °F37.4 °F1.91 in.
March29.8 °F49.8 °F2.31 in.
April40.5 °F62.8 °F3.92 in.
May52.5 °F73.3 °F5.15 in.
June62.1 °F82.1 °F4.93 in.
July65.2 °F85.3 °F3.96 in.
August62.8 °F83.7 °F3.51 in.
September54.4 °F78.1 °F3.75 in.
October42.9 °F65.6 °F3.12 in.
November31.5 °F50.5 °F2.68 in.
December21.8 °F37.9 °F1.91 in.
Annual41.6 °F61.6 °F38.97 in.

Climate Data for Georgetown Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -10°F to -5°F
Plant Hardiness Zone - 2012Zone 5b : -15°F to -10°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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