Aviston Illinois Climate Data

Monthly Average Climate Data for Aviston Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.5 °F39.3 °F2.71 in.
February25.9 °F44.5 °F2.28 in.
March34.7 °F54.8 °F3.23 in.
April45.3 °F66.8 °F4.69 in.
May56.2 °F75.9 °F4.81 in.
June65.0 °F84.8 °F4.69 in.
July68.5 °F88.1 °F3.87 in.
August66.4 °F87.1 °F3.13 in.
September58.0 °F80.6 °F3.2 in.
October46.3 °F69.0 °F3.05 in.
November35.6 °F54.8 °F3.64 in.
December27.0 °F43.7 °F2.72 in.
Annual46 °F65.8 °F42.02 in.

Climate Data for Aviston Illinois

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com