Dongola Illinois Climate Data

Monthly Average Climate Data for Dongola Illinois

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.3 °F42.4 °F3.7 in.
February28.4 °F47.6 °F3.44 in.
March36.5 °F57.2 °F4.68 in.
April46.5 °F68.5 °F5.38 in.
May56.8 °F77.1 °F5.43 in.
June65.2 °F85.5 °F4.53 in.
July68.7 °F88.4 °F3.91 in.
August66.3 °F87.5 °F3.0 in.
September58.2 °F81.8 °F3.41 in.
October46.6 °F71.0 °F3.82 in.
November36.6 °F57.2 °F4.47 in.
December29.1 °F46.1 °F4.08 in.
Annual47 °F67.5 °F49.85 in.

Climate Data for Dongola 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 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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