Burlington Illinois Climate Data

Monthly Average Climate Data for Burlington Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January13.4 °F29.0 °F1.82 in.
February16.7 °F33.5 °F1.79 in.
March26.4 °F45.4 °F2.29 in.
April36.6 °F58.6 °F3.67 in.
May48.1 °F70.1 °F4.95 in.
June57.9 °F79.7 °F4.68 in.
July62.2 °F82.9 °F3.92 in.
August60.3 °F80.8 °F4.04 in.
September51.8 °F74.7 °F3.52 in.
October40.5 °F61.9 °F3.16 in.
November29.8 °F46.9 °F2.5 in.
December19.3 °F34.3 °F2.09 in.
Annual38.6 °F58.2 °F38.43 in.

Climate Data for Burlington Illinois

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 5b : -15°F to -10°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
2024 plantmaps.com