Augusta Illinois Climate Data

Monthly Average Climate Data for Augusta Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January17.0 °F33.8 °F1.91 in.
February20.7 °F38.8 °F1.98 in.
March30.5 °F50.7 °F2.65 in.
April41.4 °F63.3 °F4.14 in.
May52.8 °F73.4 °F5.15 in.
June62.4 °F82.5 °F4.92 in.
July65.8 °F86.2 °F3.87 in.
August63.5 °F84.5 °F3.99 in.
September55.0 °F78.5 °F3.39 in.
October43.5 °F65.9 °F3.11 in.
November32.3 °F51.4 °F2.54 in.
December22.5 °F38.8 °F1.94 in.
Annual42.3 °F62.3 °F39.59 in.

Climate Data for Augusta 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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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