Brussels Illinois Climate Data

Monthly Average Climate Data for Brussels Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.3 °F38.9 °F2.36 in.
February25.6 °F44.5 °F2.19 in.
March34.4 °F55.0 °F3.21 in.
April45.2 °F66.8 °F4.48 in.
May56.0 °F75.9 °F4.91 in.
June65.1 °F84.5 °F4.55 in.
July68.7 °F87.9 °F3.87 in.
August66.7 °F86.9 °F3.59 in.
September58.2 °F80.4 °F3.32 in.
October46.7 °F68.6 °F3.23 in.
November35.7 °F54.9 °F3.33 in.
December26.9 °F43.7 °F2.58 in.
Annual46 °F65.7 °F41.62 in.

Climate Data for Brussels Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 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
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