Burnham Illinois Climate Data

Monthly Average Climate Data for Burnham Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-7.3 °C0.4 °C57.66 mm
February-5.8 °C2.4 °C53.34 mm
March-0.9 °C8 °C60.2 mm
April4.7 °C14.8 °C92.96 mm
May10.6 °C20.8 °C107.7 mm
June16.1 °C26.3 °C115.57 mm
July19.2 °C28.4 °C110.49 mm
August18.4 °C27.7 °C104.65 mm
September14.1 °C24.4 °C82.8 mm
October7.6 °C17.4 °C92.2 mm
November1.4 °C9.8 °C71.12 mm
December-4.2 °C3.3 °C59.18 mm
Annual6.2 °C15.3 °C1007.87 mm

Climate Data for Burnham Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 6a : -23.3°C to -20.6°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com